ACT Prep - Grammar

Front

What is the correct use of commas in a list?

Back

Use commas to separate items in a list, placing a comma before the conjunction (and, or) in a series of three or more items. Example: 'I bought apples, oranges, and bananas.'

Front

What is the difference between 'who' and 'that'?

Back

'Who' is used for people, while 'that' is used for things or groups. Example: 'The person who called me is my friend.' vs 'The book that I read was interesting.'

Front

What is the present perfect tense?

Back

The present perfect tense describes an action that occurred at an unspecified time before now. It is formed using 'have/has' + past participle. Example: 'I have finished my homework.'

Front

What is the correct form of 'its' vs 'it's'?

Back

'Its' is a possessive pronoun meaning 'belonging to it.' 'It's' is a contraction for 'it is' or 'it has.' Example: 'The dog wagged its tail.' vs 'It's raining outside.'

Front

What is the future perfect tense?

Back

The future perfect tense describes an action that will be completed before a specified point in the future. It is formed using 'will have' + past participle. Example: 'I will have finished the project by Friday.'

Front

What is a run-on sentence?

Back

A run-on sentence occurs when two or more independent clauses are joined without proper punctuation or conjunctions. Example: 'I love to read I go to the library often.'

Front

What is a fragment?

Back

A fragment is an incomplete sentence that lacks a main clause. Example: 'Because I was tired.' (This is a fragment; it does not express a complete thought.)

Front

What is the correct use of 'who' in a sentence?

Back

'Who' is used as the subject of a verb. Example: 'Who is going to the party?' (Here, 'who' is the subject of the verb 'is going.')

Front

What is the difference between 'affect' and 'effect'?

Back

'Affect' is usually a verb meaning to influence something. 'Effect' is a noun meaning the result of a change. Example: 'The weather can affect your mood.' vs 'The effect of the weather was noticeable.'

Front

What is subject-verb agreement?

Back

Subject-verb agreement means that the subject and verb in a sentence must agree in number. Example: 'She runs every day.' (singular) vs 'They run every day.' (plural)