CONJUNCTIONS – A Complete Guide to Connecting Words, Phrases, and Ideas

Definitions by Grammarians

• Wren and Martin: A conjunction is a word used to join words or groups of words.
• Quirk and Greenbaum: Conjunctions connect linguistic units such as words, phrases, clauses, or sentences.
• Oxford Learner’s Dictionary: A word that joins words, phrases, clauses, or sentences.

Simple Definition: A conjunction is a joining word.

Examples

• James and Peter are friends.
• She is intelligent but lazy.
• You may stay or leave.
• I waited because I wanted to see the principal.
• Study hard so that you can succeed.

1.2 Importance of Conjunctions in English Grammar

Conjunctions are among the most frequently used words in English. They are important because they:

1. Connect Ideas

The rain stopped. We continued the match.

With conjunction:

The rain stopped, so we continued the match.

2. Improve Sentence Flow

Musa woke up, dressed, ate breakfast, and left for school.

3. Show Relationships Between Ideas

4. Make Writing More Interesting

Everyone stood up when the teacher entered.

5. Avoid Repetition

Mary likes Mathematics and English.

1.3 Functions of Conjunctions in Communication

• Joining words: Rice and beans
• Joining phrases: In the morning and in the evening
• Joining clauses: She came because I invited her.
• Showing contrast: He is old but strong.
• Showing reason: We stayed because it rained.
• Showing condition: If you study, you will pass.
• Showing purpose: Study so that you can pass.
• Showing time: Call me when you arrive.
• Showing choice: Tea or coffee?

1.4 Words Commonly Used as Conjunctions

Coordinating Conjunctions

and, but, or, nor, for, so, yet

Subordinating Conjunctions

because, since, although, though, if, unless, until, after, before, while, when, whenever, whereas, as, once, where, wherever, provided, even though, so that

Correlative Conjunctions

either…or, neither…nor, both…and, not only…but also, whether…or, rather…than, no sooner…than

1.5 Conjunctions and Sentence Structure

• Simple Sentence: James sings and dances beautifully.
• Compound Sentence: I called him, but he did not answer.
• Complex Sentence: Because it was raining, we stayed indoors.
• Compound-Complex: Although he was sick, he came to school and wrote the exam.

1.6 Identifying Conjunctions in Sentences

1. Find the joining word.
2. Determine what it connects.
3. Identify the relationship it expresses.

Examples

• John and James are brothers. (Addition)
• She stayed home because she was ill. (Reason)
• Study hard or you may fail. (Choice)

1.7 Common Errors in the Use of Conjunctions

1. Wrong Conjunction

I was tired and I went to bed early.

Correct: I was tired, so I went to bed early.

2. Double Conjunction Error

Although he was sick but he came.

Correct: Although he was sick, he came.

3. Incorrect Correlative Pair

Either James and Peter will come.

Correct: Either James or Peter will come.

4. Omitting Conjunction

He was hungry he ate immediately.

Correct: He was hungry, so he ate immediately.

2.1 Meaning of Coordinating Conjunctions

Coordinating conjunctions are words that join words, phrases, or independent clauses of equal grammatical rank.
They are used to connect similar sentence elements without changing their structure.

These conjunctions are very important in English because they help to combine ideas smoothly and clearly.

2.2 The FANBOYS Conjunctions

Coordinating conjunctions are commonly remembered using the acronym FANBOYS.

• F – For
• A – And
• N – Nor
• B – But
• O – Or
• Y – Yet
• S – So

2.3 Functions of Coordinating Conjunctions

• And: used to add information
• But: used to show contrast
• Or: used to show choice
• Nor: used to present negative alternatives
• For: used to give reason
• So: used to show result
• Yet: used to show unexpected contrast

2.4 Joining Words, Phrases, and Clauses

Words

She bought rice and beans.

Phrases

He worked in the morning and in the evening.

Clauses

I called him, but he did not answer.

2.5 Punctuation Rules with Coordinating Conjunctions

When coordinating conjunctions join two independent clauses, a comma is usually placed before the conjunction.

Examples

• I was tired, so I went to bed early.
• She studied hard, but she failed the exam.

However, when joining words or phrases, no comma is required.

Example: John and Mary are friends.

2.6 Coordinating Conjunctions in Compound Sentences

A compound sentence is made up of two independent clauses joined by a coordinating conjunction.

Examples

• The sun was hot, but we continued playing.
• She wanted to travel, so she saved money.
• You can stay here, or you can go home.

2.7 Common Mistakes with Coordinating Conjunctions

1. Using a comma splice

I was tired, I went home.

Correct: I was tired, so I went home.

2. Wrong conjunction choice

She is rich and she is unhappy.

Correct: She is rich but unhappy.

3. Incorrect punctuation

He came but, he did not stay.

Correct: He came, but he did not stay.

4. Overusing conjunctions

Writing becomes weak when too many sentences are joined unnecessarily using “and”.

Better: Use variety in sentence structure for clarity and style.

3.1 Meaning of Subordinating Conjunctions

Subordinating conjunctions are words that join a dependent (subordinate) clause to an independent (main) clause. They show the relationship between the two clauses and help to explain time, reason, condition, contrast, purpose, and place.

Unlike coordinating conjunctions, subordinating conjunctions make one clause dependent on the other.

3.2 Main Clauses and Subordinate Clauses

Main Clause

A main clause is a group of words that expresses a complete thought and can stand alone as a sentence.

Example: She went home.

Subordinate Clause

A subordinate clause does not express a complete thought and cannot stand alone.

Example: because she was tired

Combined Sentence

She went home because she was tired.

3.3 Common Subordinating Conjunctions

The following are commonly used subordinating conjunctions:

• because
• since
• although
• though
• if
• unless
• until
• when
• while
• after
• before
• as
• where
• wherever
• so that
• even though

3.4 Conjunctions of Time

These subordinating conjunctions show when something happens.

• when
• while
• before
• after
• until

Examples

• I will call you when I arrive.
• She left after the meeting ended.
• Wait here until I return.

3.5 Conjunctions of Cause and Reason

These conjunctions explain why something happens.

• because
• since
• as

Examples

• We stayed indoors because it was raining.
• Since you are here, we can start the meeting.
• She smiled as she saw him.

3.6 Conjunctions of Condition

These conjunctions show that one action depends on another.

• if
• unless
• provided that

Examples

• If you study hard, you will pass.
• You will fail unless you work harder.
• You may go out provided that you finish your work.

3.7 Conjunctions of Purpose

These conjunctions show the purpose of an action.

• so that
• in order that
• lest

Examples

• Study hard so that you can succeed.
• She left early in order that she might catch the bus.
• Walk quietly lest you disturb others.

3.8 Conjunctions of Contrast and Concession

These conjunctions show contrast between two ideas.

• although
• though
• even though
• whereas
• while

Examples

• Although he was rich, he was unhappy.
• Even though she studied, she failed.
• He is tall whereas his brother is short.

3.9 Conjunctions of Place

These conjunctions show where something happens.

• where
• wherever

Examples

• Stay where you are.
• Follow him wherever he goes.

3.10 Punctuation Rules with Subordinating Conjunctions

When a subordinate clause comes before the main clause, a comma is used.

Examples

• Because it was raining, we stayed indoors.
• Although she was tired, she continued working.

However, when the main clause comes first, no comma is usually needed.

Examples

• We stayed indoors because it was raining.
• She continued working although she was tired.

3.11 Common Errors in Using Subordinating Conjunctions

1. Sentence fragment error

Because he was sick.

Correct: He stayed at home because he was sick.

2. Misplacement of comma

We stayed indoors because, it was raining.

Correct: We stayed indoors because it was raining.

3. Wrong conjunction usage

Although he was sick so he came.

Correct: Although he was sick, he came.

4. Using subordinate clause alone

When I arrived.

Correct: When I arrived, the meeting had started.

4.1 Meaning of Correlative Conjunctions

Correlative conjunctions are pairs of conjunctions that work together to join equal sentence elements.
They are always used in pairs and must be used correctly to maintain balance in a sentence.

They connect words, phrases, or clauses that have the same grammatical structure.

4.2 Characteristics of Correlative Conjunctions

• They always come in pairs.
• They connect elements of equal grammatical rank.
• They require parallel structure.
• They help improve clarity and emphasis in writing.

4.3 Common Correlative Conjunction Pairs

• either…or
• neither…nor
• both…and
• not only…but also
• whether…or
• rather…than
• no sooner…than

4.4 Uses and Examples of Correlative Conjunctions

Either…or

Used to present a choice between two options.

• You can either stay here or go home.
• Either John or Peter will represent the class.

Neither…nor

Used to express two negative ideas.

• Neither the teacher nor the students were present.
• She is neither rich nor famous.

Both…and

Used to combine two positive ideas.

• She is both intelligent and hardworking.
• Both Musa and John are in the class.

Not only…but also

Used to emphasize two important ideas.

• He is not only a teacher but also a writer.
• She not only sings but also dances well.

Whether…or

Used to express doubt or alternatives.

• I do not know whether he will come or not.
• Whether you like it or not, the work must be done.

Rather than

Used to show preference.

• I would rather stay at home than go out.
• She prefers reading rather than watching television.

No sooner…than

Used to show that one event happens immediately after another.

• No sooner had he arrived than it started raining.
• No sooner did she finish her work than she left.

4.5 Subject-Verb Agreement with Correlative Conjunctions

When using correlative conjunctions, the verb must agree with the nearer subject.

Examples

• Either the teacher or the students are coming.
• Neither the boys nor the girl is ready.
• Both the manager and the staff are present.

4.6 Parallel Structure in Correlative Conjunctions

Correlative conjunctions must connect similar grammatical forms such as noun + noun, verb + verb, or clause + clause.

Correct Examples

• She is both intelligent and hardworking. (adjective + adjective)
• He enjoys either reading or writing. (verb + verb)

Incorrect Examples

• She is both intelligent and to work hard.
• Correct: She is both intelligent and hardworking.

4.7 Common Errors and How to Avoid Them

1. Wrong pairing of conjunctions

Either John and Peter will come.

Correct: Either John or Peter will come.

2. Lack of parallel structure

She is both beautiful and to sing well.

Correct: She is both beautiful and talented.

3. Incorrect verb agreement

Neither the boys nor the girls is here.

Correct: Neither the boys nor the girls are here.

4. Misuse of “not only…but also”

She not only is intelligent but also hardworking.

Correct: She is not only intelligent but also hardworking.

5.1 Conjunctions in Simple Sentences

A simple sentence contains one independent clause. Conjunctions can still be used in simple sentences to join words or phrases.

Examples

• James and John are friends.
• She sings and dances well.
• He is tall but weak.

5.2 Conjunctions in Compound Sentences

A compound sentence is made up of two independent clauses joined by coordinating conjunctions.

Examples

• I wanted to go out, but it started raining.
• She studied hard, so she passed the exam.
• You may come in, or you may wait outside.

5.3 Conjunctions in Complex Sentences

Complex sentences contain one independent clause and one or more dependent clauses joined by subordinating conjunctions.

Examples

• Because he was late, he missed the bus.
• We left early since the meeting was cancelled.
• I will call you when I arrive.

5.4 Conjunctions in Compound-Complex Sentences

A compound-complex sentence contains at least two independent clauses and at least one dependent clause.

Examples

• Although it was raining, we went out, and we enjoyed the event.
• I finished my homework because I wanted to sleep early, and I went to bed.
• She was tired, but she continued working because the deadline was near.

5.5 Conjunctions for Logical Relationships

Conjunctions help show logical relationships between ideas such as cause, contrast, result, and condition.

• Cause: because, since, as
• Result: so, therefore
• Contrast: but, although, yet
• Condition: if, unless

Examples

• He failed because he did not study.
• It was raining, so we stayed indoors.
• She is rich but unhappy.
• If you try, you will succeed.

5.6 Conjunctions in Formal and Informal Writing

Formal Writing

In formal writing, conjunctions are used carefully to maintain clarity and professionalism.

• He was absent because he was ill.
• The meeting was postponed since the chairman was unavailable.

Informal Writing

In informal writing and speech, simpler conjunctions are often used.

• He didn’t come because he was sick.
• I stayed home so I could rest.

5.7 Conjunctions in Speech and Conversation

Conjunctions are widely used in everyday speech to make communication natural and fluent.

Examples

• I was tired so I slept early.
• Do you want tea or coffee?
• I like him but he is rude sometimes.

5.8 Avoiding Run-on Sentences and Sentence Fragments

Run-on Sentence

I went to school I was late.

Correct: I went to school, but I was late.

Sentence Fragment

Because I was tired.

Correct: I went to bed early because I was tired.

5.9 Improving Sentence Variety with Conjunctions

Conjunctions help writers avoid repetition and create more interesting sentences by combining ideas.

Example

Instead of writing many short sentences:

• I woke up. I brushed my teeth. I ate breakfast. I went to school.

We can write:

• I woke up, brushed my teeth, ate breakfast, and went to school.

6.1 Conjunctive Adverbs and Their Relationship to Conjunctions

Conjunctive adverbs are words that connect two independent clauses while also showing a relationship such as contrast, result, or addition.
They are similar to conjunctions but behave differently in sentence structure.

Common Conjunctive Adverbs

• however
• therefore
• moreover
• nevertheless
• consequently
• thus
• furthermore

Examples

• She was tired; however, she continued working.
• It was raining; therefore, the match was cancelled.
• He did not study; consequently, he failed.

6.2 Distinguishing Conjunctions from Prepositions and Adverbs

Conjunctions

Conjunctions join words, phrases, or clauses.

Example: She is poor but happy.

Prepositions

Prepositions show relationships between nouns or pronouns and other words.

Example: She is fond of music.

Adverbs

Adverbs modify verbs, adjectives, or other adverbs.

Example: She sings well.

Comparison Example

• Conjunction: He was late, so he missed the bus.
• Preposition: He is late because of traffic.

6.3 Multiple Conjunctions in a Sentence

Sometimes more than one conjunction can appear in a sentence to express complex relationships.

Examples

• Although he was tired, he studied hard and completed his work.
• I will come if I finish early and if the weather is good.

6.4 Omission of Conjunctions (Asyndeton)

Asyndeton is a style where conjunctions are deliberately omitted to create a fast-paced or dramatic effect.

Examples

• I came, I saw, I conquered.
• She is kind, generous, loving.

This style is often used in speeches and creative writing for emphasis.

6.5 Repetition of Conjunctions (Polysyndeton)

Polysyndeton is the repeated use of conjunctions in close succession for emphasis or rhythm.

Examples

• He ran and jumped and shouted and laughed.
• We have food and water and shelter and clothing.

This style is often used in literature to create emphasis or emotional intensity.

6.6 Conjunctions in Academic Writing

In academic writing, conjunctions are used to show logical flow and coherence between ideas.

Examples

• The experiment was successful because the procedure was carefully followed.
• The results were significant, therefore the hypothesis was accepted.

Academic writing often requires precise use of conjunctions to maintain clarity and formality.

6.7 Conjunctions in Creative Writing

In creative writing, conjunctions help to create rhythm, emotion, and flow in storytelling.

Examples

• She waited patiently but no one came.
• The night was cold and silent.
• He ran quickly because danger was near.

6.8 Editing and Proofreading for Correct Conjunction Usage

Careful editing is necessary to ensure correct use of conjunctions in writing.

Checklist for Editing

• Check if the correct conjunction is used for the meaning.
• Ensure clauses are properly joined.
• Avoid sentence fragments.
• Check punctuation rules, especially commas.
• Ensure parallel structure in correlative conjunctions.

Example Correction

He was tired because he slept early he went to bed.

Correct: He was tired, so he went to bed early because he had not slept well.

6.9 Frequently Confused Conjunctions

1. Because vs Because of

• Because: followed by a clause → She stayed home because she was sick.
• Because of: followed by a noun → She stayed home because of illness.

2. Although vs But

• Although: used in complex sentences → Although he was tired, he worked.
• But: used in compound sentences → He was tired, but he worked.

3. So vs So that

• So: shows result → It rained, so we stayed home.
• So that: shows purpose → We stayed home so that we could rest.