SAT Grammar

There are 49 grammar questions on the SAT writing section. Grammar accounts for over two thirds of the marks on this section. Questions are of 3 types:

  • Identification of sentence errors
  • Sentence correction (improving sentences)
  • Editing in context (improving paragraphs)

Practice SAT Grammar

Grammar Focus ebook
Grammar Focus: 50 essential grammar rules is an ideal companion to the free practice grammar tests available here on

It contains fifty rules that are essential knowledge for sentence correction, identification of sentence errors and editing in context questions that you will encounter on the SAT.


Select a question type to view the directions:

Identification of sentence errors

Read each sentence carefully. If you find an error, select the underlined part that is incorrect. Some sentences contain no error, in which case choose answer E.


If you are interestedA in learning moreB details of chemical reactions, oneC should consult an advancedD textbook. No errorE.


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