Here are some books for you to read on the way 2)在少数情况下,可用of引导的短语表示不定式的逻辑主语。 It was kind of you(you are kind) to help us It was silly of you (you are silly) to trust such a man 只有那些作表语的形容词能修饰人时才能在不定式前用of引导的短语,否则还 是应当用for引导的短语来表示不定式的逻辑主语 8.不定式的否定形式 动词不定式的否定形式是在动词不定式前面加not,即nott+动词原形。 They told me not to go there Grace advised us to withdraw so as not to get involved. 9.不定式的疑问式 由“疑问词+to+动词原形”构成动词不定式的这种形式起名词作用,在句子 中可以充当主语、宾语、表语、直接宾语和介词宾语 Whether to go or not is not decided(主语) I really don' t know what to do next.(宾语) The question is how to inform him.(表语) I will ask him how to operate the machine.(直接宾语) I' m thinking of where to get the book.(介词宾语) 10.不定式的时态和语态 不定式有时态和语态的变化,时态共四种,即一般式、完成式、进行式和完成 进行式。语态分为主动语态和被动语态,如下表所示 语态 时态 主动语态 被动语态 般式 to do o be aon 完成式 to have done to have been done 进行式 to be doing 完成进行式 to have been doing 当动词不定式的逻辑主语是动词不定式所表示的动作的执行者时用主动语态; 当动词不定式的逻辑主语是动词不定式所表达的动作的承受者时用被动语态。进行 式和完成进行式没有被动语态。 1)现在时:一般现在时表示的动词,有时与谓语动词表示的动作同时发生,有时 发生在谓语动词的动作之后。 He seems to know this I hope to see you again=I hope that I'lI see you again 2)完成时:表示的动作发生在谓语动词表示的动作之前。 I'm sorry to have given you so much trouble 66 Here are some books for you to read on the way. 2)在少数情况下，可用 of 引导的短语表示不定式的逻辑主语。 It was kind of you (you are kind) to help us. It was silly of you (you are silly) to trust such a man. 只有那些作表语的形容词能修饰人时才能在不定式前用 of 引导的短语，否则还 是应当用 for 引导的短语来表示不定式的逻辑主语。 8. 不定式的否定形式 动词不定式的否定形式是在动词不定式前面加not，即not to+动词原形。 They told me not to go there. Grace advised us to withdraw so as not to get involved. 9. 不定式的疑问式 由“疑问词 + to + 动词原形”构成动词不定式的这种形式起名词作用，在句子 中可以充当主语、宾语、表语、直接宾语和介词宾语。 Whether to go or not is not decided.(主语) I really don’t know what to do next. (宾语) The question is how to inform him. (表语) I will ask him how to operate the machine. (直接宾语) I’m thinking of where to get the book. (介词宾语) 10. 不定式的时态和语态 不定式有时态和语态的变化，时态共四种，即一般式、完成式、进行式和完成 进行式。语态分为主动语态和被动语态，如下表所示。 语态 时态 主动语态 被动语态 一般式 to do to be done 完成式 to have done to have been done 进行式 to be doing / 完成进行式 to have been doing / 当动词不定式的逻辑主语是动词不定式所表示的动作的执行者时用主动语态； 当动词不定式的逻辑主语是动词不定式所表达的动作的承受者时用被动语态。进行 式和完成进行式没有被动语态。 1)现在时：一般现在时表示的动词，有时与谓语动词表示的动作同时发生，有时 发生在谓语动词的动作之后。 He seems to know this. I hope to see you again = I hope that I’ll see you again. 2)完成时：表示的动作发生在谓语动词表示的动作之前。 I’m sorry to have given you so much trouble