动词不定式作宾语补足语时,表示动作已经发生,动作的全过程已经结束.如: I heard him knock at the door three times.(=I heard he knocked——青夏教育精英家教网—

摘要：动词不定式作宾语补足语时,表示动作已经发生,动作的全过程已经结束.如: I heard him knock at the door three times.(=I heard he knocked at the door three times 现在分词作宾语补足语时,表示动作正在进行.如: I heard him knocking at the door.(= I heard he was knocking at the door. 过去分词也可以作宾语补足语.如: I found the glass broken.(= I found the glass was broken.) 注意:动词不定式作宾语补足语时,在动词make,let,have,see,notice,hear,watch, observe,feel,listen to等后面要省略不定式符号to.如: I hear him play. The teacher made him do the exercises again. help后的动词不定式作宾语补足语时,不定式符号to可加可不加.如: He often helps me to study English in his spare time. 当这些动词变为被动语态时,原不定式必须加上to.如: He was seen to repair the machine.

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按照所给句型把下列词语连成句子。

动词不定式作目的状语

1)children, flowers, give … to…, their mothers, to express their thanks

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2)he, to help with the housework, went home early

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3)they, to celebrate New Year, have a get-together

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Who Is Fooled?

　　Just as the teacher was coming into the classroom, one of the boys, whose name was James, said loudly, “Teacher is a fool．” The teacher pretended not to have heard this．He went up to the platform and said,“ Today we are going to have a lesson on punctuation．Punctuation in a sentence is very important．Look at this sentence．” He picked up a piece of chalk and wrote the following sentence on the blackboard：James says the teacher is a fool．The class laughed．“Now,” continued the teacher, “with two commas I can change the meaning of the sentence entirely．” He then put in two commas and the sentence read：