Common Grammar Mistakes

Front

What punctuation is needed after an introductory clause?

Back

A comma is needed after an introductory clause.

Front

What is the difference between 'it's' and 'its'?

Back

'It's' is a contraction for 'it is' or 'it has', while 'its' is a possessive pronoun.

Front

How do you determine subject-verb agreement in a sentence?

Back

Ensure that the subject and verb agree in number; singular subjects take singular verbs, and plural subjects take plural verbs.

Front

What is the correct usage of 'there', 'their', and 'they're'?

Back

'There' refers to a place, 'their' is a possessive pronoun, and 'they're' is a contraction for 'they are'.

Front

What is the correct phrase to indicate frequency?

Back

The phrase 'a lot' indicates a high frequency of occurrence.

Front

What is the rule for using commas in a series?

Back

Use commas to separate items in a series, and place a comma before the conjunction in a list of three or more items.

Front

What is the purpose of a semicolon?

Back

A semicolon is used to connect closely related independent clauses.

Front

When should you use 'who' versus 'whom'?

Back

'Who' is used as a subject, while 'whom' is used as an object.

Front

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

Back

'Affect' is a verb meaning to influence, while 'effect' is a noun meaning the result of a change.

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 conjunction.