Common Writing/Grammar Errors

Front

What is the correct article to use before a word starting with a vowel sound?

Back

Use 'an' before words that start with a vowel sound (e.g., 'an apple').

Front

What is the difference between '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

When should you use 'then' instead of 'than'?

Back

'Then' is used to indicate time or sequence, while 'than' is used for comparisons.

Front

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

Back

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

Front

What article should be used before a consonant sound?

Back

Use 'a' before words that start with a consonant sound (e.g., 'a dog').

Front

What is a common error when using 'its' and 'it's'?

Back

'Its' is a possessive pronoun, while 'it's' is a contraction for 'it is'.

Front

What is the correct usage of 'who' and 'whom'?

Back

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

Front

What is the rule for subject-verb agreement?

Back

The subject and verb must agree in number; singular subjects take singular verbs, and plural subjects take plural verbs.

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.

Front

What is the purpose of a comma in a sentence?

Back

Commas are used to separate items in a list, after introductory elements, and to set off non-essential information.