在SAT写作部分，包含三类语法题型，分别是18道句子改错(Identifying Sentence Error, ISE)、25道改进句子(Improving Sentences, IS)和6道改进段落(Improving Paragraph, IP) 题目，题目的难度依次递增，对考生的要求也不断增加。

　　这里需要强调的是SAT语法之所以被划分在Writing Skills当中，是因为它实际是考查考生对英语的标准书面语(即Standard Written English)的掌握程度，并非琐碎复杂的语法知识，其考试题型和考试重点也与中国的语法题目大相径庭。我们为大家准备了下面5道SAT语法句子改错练习题，参考答案和解析在下一页。

　　1. The Commerce Department announced that the economy grew during the second quarter at a 7.5 percent annual rate, while inflation eased when it might have been expected for it to rise.

　　(A) it might have been expected for it to rise

　　(B) it might have been expected to rise

　　(C) it might have been expected that it should rise

　　(D) its rise might have been expected

　　(E) there might have been an expectation it would rise

　　2. According to a study by the Carnegie Foundation for the Advancement of Teaching, companies in the United States are providing job training and general education for nearly eight million people, about equivalent to the enrollment of the nation's four-year colleges and universities.

　　(A) equivalent to the enrollment of

　　(B) the equivalent of those enrolled in

　　(C) equal to those who are enrolled in

　　(D) as many as the enrollment of

　　(E) as many as are enrolled in

　　3. In Holland, a larger percentage of the gross national product is spent on defense of their coasts from rising seas than is spent on military defense in the United States.

　　(A) In Holland, a larger percentage of the gross national product is spent on defense of their coasts from rising seas than is spent on military defense in the United States.

　　(B) In Holland they spend a larger percentage of their gross national product on defending their coasts from rising seas than the United States does on military defense.

　　(C) A larger percentage of Holland's gross national product is spent on defending their coasts from rising seas than the United States spends on military defense.

　　(D) Holland spends a larger percentage of its gross national product defending its coasts from rising seas than the military defense spending of the United States.

　　(E) Holland spends a larger percentage of its gross national product on defending its coasts from rising seas than the United States does on military defense.

　　4. Canadian scientists have calculated that one human being should be struck every nine years by a meteorite, while each year sixteen buildings can be expected to sustain damage from such objects.

　　(A) one human being should be struck every nine years by a meteorite

　　(B) a human being should be struck by a meteorite once in every nine years

　　(C) a meteorite will strike one human being once in every nine years

　　(D) every nine years a human being will be struck by a meteorite

　　(E) every nine years a human being should be struck by a meteorite

　　5. Intar, the oldest Hispanic theater company in New York, has moved away from the Spanish classics and now it draws on the works both of contemporary Hispanic authors who live abroad and of those in the United States.

　　(A) now it draws on the works both of contemporary Hispanic authors who live abroad and of

　　(B) now draws on the works of contemporary Hispanic authors, both those who live abroad and those who live

　　(C) it draws on the works of contemporary Hispanic authors now, both those living abroad and who live

　　(D) draws now on the works both of contemporary Hispanic authors living abroad and who are

　　(E) draws on the works now of both contemporary Hispanic authors living abroad and those

　　参考答案及解析见下一页