English Prepositions Tutorial: Complete Guide & Exercises

Prepositions are the structural “connective tissue” of the English language. While they are often small words, they carry immense weight in determining the relationship between the ideas, objects, and actions in a sentence. This guide expands upon the foundational principles found in your textbooks, moving from basic spatial concepts to the sophisticated nuances required for academic and professional success. Remember to use the comments sections if you have questions, and don’t forget to join our Free Online Tutorial Classes on YouTube. (Subscribe to the Channel)

Part 1: The Core Functions of Prepositions

A preposition is a word placed before a noun, pronoun, or gerund (a verbal noun) to show its relation to another word in the sentence. By establishing these relationships, prepositions provide essential context regarding:

• Position: Where something is.
• Direction: Where something is heading.
• Time: When an event occurs.
• Agency/Instrument: How or by whom an action is performed.

Functional Relationships and Syntactic Distinctions

The Relational Role of Prepositions

Prepositions serve as essential connectors that establish relationships between nouns, pronouns, or gerunds (verbal nouns) and the surrounding elements of a sentence.

Consider these examples of how prepositions bridge different parts of speech:

• Linking Adjectives to Nouns: “Weakened by hunger, they surrendered to the enemy.” Here, the preposition by connects the adjective weakened to the noun hunger.
• Linking Nouns to Nouns: “He is the smartest soldier in the whole regiment.” In this instance, the preposition in links the noun soldier to the noun regiment, defining the soldier’s location within that group.

Grammar Note: The Accusative Case
When a preposition is followed by a pronoun, the pronoun must always be in the accusative case (object form).

• Correct: Prizes were awarded to them and to me.
• Correct: To whom shall I give this parcel? (Avoid using the subjective “who”).
• Correct: This is a secret between him and her. (Avoid using the subjective “he and she”).

Distinguishing Prepositions from Adverbs

A common point of confusion arises because many words can function as either a preposition or an adverb. To differentiate them, apply the “Follow-up Rule”: a preposition must be followed by an object (a noun or pronoun).

The Prepositional Phrase

A preposition, its object, and any modifiers form a prepositional phrase. These phrases can function as adjectives or adverbs.

• Adjectival: He is the smartest soldier in the whole regiment.
• Adverbial: The river flows through the town.

Part 2: Navigating Common Pitfalls

Certain prepositions require careful attention to avoid common linguistic errors.

1. The “Like” vs. “As” Distinction

“Like” is often incorrectly used as a conjunction. Use “like” to express similarity (preposition) and “as” to introduce a clause (conjunction).

• Correct: He speaks English as an Englishman does.
• Incorrect: He speaks English like an Englishman does.

2. Between vs. Among

• Between: Reserved for two distinct items or persons.
• Among: Reserved for groups or quantities exceeding two.

3. Beside vs. Besides

• Beside: Denotes proximity or “next to”.
• Besides: Denotes “in addition to”.

 4. In vs. Into

While often conflated, in and into denote distinct spatial relationships:

• In (Position): Used to indicate a static location or state of being contained.
  • Example: “I have six litres of petrol in the tank.”
• Into (Movement): Used to indicate motion or transition toward the interior of a space.
  • Example: “The boy fell into the pool.”

5. Temporal Prepositions (Time and Date)

Mastering temporal prepositions requires attention to specific conventional uses. Refer to the table below for standard applications:

6. Understanding Compound Prepositions

A compound preposition is a multi-word phrase that functions as a single prepositional unit. These are vital for maintaining a formal tone in academic writing:

• Causal: because of, on account of, owing to
• Referential/Declarative: according to, as regards, in view of
• Purpose/Condition: for the sake of, in case of, in spite of, by way of

7. Contextual Nuance: The Versatility of Simple Prepositions

Simple prepositions can acquire vastly different meanings depending on their context. Taking the preposition “on” as an example, observe how its function shifts based on the surrounding semantics:

Part 3: Advanced Collocations (Adjective + Preposition)

In academic and professional writing, using the correct preposition after an adjective is vital for fluency. This is often referred to as collocation—the natural pairing of words.

• Relationship to People/Actions: Accustomed to, acquainted with, grateful to, indifferent to, intimate with.
• State of Being: Addicted to, afraid of, ashamed of, disgusted at/with, innocent of, proficient in, proud of, void of.
• Comparative/Logical: Consistent with, different from, identical with, notorious for, superior to.

Part 4: Prepositional Logic in Scientific and Technical Writing

In technical fields, prepositions are not just grammatical markers; they define the precision of a process.

Mechanical and Agricultural Precision

When documenting systems like gear ratios or crop production cycles, prepositions dictate the logic of the operation:

• Spatial Causality: A system works by transmitting power, whereas a crop is planted in specific soil types to thrive.
• Directional Dynamics: We differentiate between forces acting on a lever versus forces applied to a load.
• Conditional States: A factory is under construction, and agricultural output is described in terms of yield.

Using the wrong preposition in a lab report or technical manual can lead to misinterpretation of mechanical principles or experimental data.

Part 5: Phrasal Verbs and Formal Academic Tone

The “Go” Paradigm

The verb go is exceptionally versatile when combined with various particles. These idiomatic combinations are essential for colloquial fluency:

• Go back on: To retract a promise.
• Go in for: To adopt a hobby or enter a competition.
• Go through with: To complete a difficult process.

Formal Compound Prepositions

When writing formally, maintain a professional register by replacing simple phrases with compound prepositions:

• Use: In accordance with instead of “as per”.
• Use: On account of or owing to instead of “because of”.
• Use: In view of to introduce consideration or evidence.

Exercises for Mastery

Exercise A: Precision in Adjective-Preposition Collocation

Complete the following sentences with the appropriate preposition.

1. The suspect was notorious ______ his history of financial fraud.
2. The candidates must be proficient ______ company law.
3. His failure in the exam is quite inconsistent ______ his success in class.
4. I am disgusted ______ your behaviour.
5. The judge found him guilty ______ manslaughter.

Exercise B: Correcting Common Errors

Identify the incorrect preposition and supply the correct one.

1. In accordance to the regulations, the road will be closed.
2. I prefer coffee than tea.
3. The patient complained with a pain in the back.
4. This car is superior than that.

Exercise C: Technical/Scientific Application

Supply the correct preposition for these professional contexts.

1. The factory at Enugu turns ______ five thousand cans a day.
2. The Federal Republic of Nigeria consists ______ nineteen separate states.
3. The missions prevailed ______ the Delta peoples to accept the value of Western education.

Professor’s Concluding Advice

To excel in university-level composition, do not merely memorize lists. Instead:

1. Read Widely: Observe how professional authors use prepositions to link complex thoughts.
2. Edit for Precision: When reviewing your essays, circle every preposition. Ask yourself, “Is this the most accurate word to show the relationship between these two ideas?”.
3. Contextualize: Never learn a preposition in isolation. Always write it in a sentence that reflects a real-world scenario—such as an academic discussion, a scientific report, or a formal business letter.

Prepositions may be small, but they are the keys to clarity and authority in your writing. Master them, and you master the flow of your arguments.