6. — How do you know that she likes singing? (2006 南通)
— I often hear her ______ after class.
A. to sing B. sang C. sing D. sings
剖析：表示“聽到某人經(jīng)常做…”時，要用hear sb do sth形式.。答案：C
7. You are so busy. What do you want me ______ for you? (2006 重慶)
A. do B. done C. to do D. doing
剖析 ：want 后面接非謂語動詞作賓補時，要用動詞不定式形式。答案：C
8. Don’t make me _____ this or that. I’m too busy! (2006 徐州)
A. to do B. do C. doing D. done
剖析：make 表示“使……”時，后面要接省略to的不定式。答案：B
9. There are some dangerous fishes in this river, and I’ve warned Jack ______ here.（2006 杭州）
A. not to swim B. to not swim C. swim not to D. to swim not
剖析：在動詞 tell, ask, want, like, teach, warn, wish 等后面跟動詞不定式作賓語補足語時,不管在主動語態(tài)中還是在被動語態(tài)中不定式都要帶“to”。動詞不定式的否定形式是在“to”前加not。答案：A
10. We have worked for three hours. Now let's stop ________ a rest. (2006 河北)
A. had B. have C. to have D. having
剖析：stop to do sth 和stop doing sth 意思是不同的。前者表示“停止（中斷）做某事后去做另一件事”；后者意思是“停止做某事”。 答案：C
— I often hear her ______ after class.
A. to sing B. sang C. sing D. sings
剖析：表示“聽到某人經(jīng)常做…”時，要用hear sb do sth形式.。答案：C
7. You are so busy. What do you want me ______ for you? (2006 重慶)
A. do B. done C. to do D. doing
剖析 ：want 后面接非謂語動詞作賓補時，要用動詞不定式形式。答案：C
8. Don’t make me _____ this or that. I’m too busy! (2006 徐州)
A. to do B. do C. doing D. done
剖析：make 表示“使……”時，后面要接省略to的不定式。答案：B
9. There are some dangerous fishes in this river, and I’ve warned Jack ______ here.（2006 杭州）
A. not to swim B. to not swim C. swim not to D. to swim not
剖析：在動詞 tell, ask, want, like, teach, warn, wish 等后面跟動詞不定式作賓語補足語時,不管在主動語態(tài)中還是在被動語態(tài)中不定式都要帶“to”。動詞不定式的否定形式是在“to”前加not。答案：A
10. We have worked for three hours. Now let's stop ________ a rest. (2006 河北)
A. had B. have C. to have D. having
剖析：stop to do sth 和stop doing sth 意思是不同的。前者表示“停止（中斷）做某事后去做另一件事”；后者意思是“停止做某事”。 答案：C