动词不定式在句子中可充当主语、宾语、表语和宾语补足语和状语(包括目的状语,结果状语和原因状语。) 1. 作主语 To dance with you makes me happy. 和你跳舞令我高兴。 It is difficult to drive in the mountains. (=To drive in the mountains is difficult.) 在山里开车很困难。 2. 作宾语 (1)后接不定式作宾语的及物动词多是表示意愿 企图等的动词,如:hope, want, wish, desire, like, decide, try, promise, refuse. I want to talk with her. 我想和她谈谈。 She has decided to go. 她已决定要走。 (2)在feel, find, think, consider, make等动词后如果是不定式作宾语,而补语是形容词,则通常用it作形式宾语,而把真正的宾语即不定式移至形容词之后。如: I find it impossible to forget her. 我发现忘掉她是不可能的。 He thought it necessary to take an umbrella. 他认为带把伞是必要的。 3. 作表语 Her wish is to be a teacher. 他的愿望是成为一名教师。 |