7.14 不定式的时态和语态 |
时态/语态(主动,被动) 一般式:to do,to be done 进行式:to be doing 完成式:to have done,to have been done 完成进行式:to have been doing 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.我希望再见到你。 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. He seems to have caught a cold. 3)进行时:表示动作正在进行,与谓语动词表示的动作同时发生。 He seems to be eating something. 4)完成进行时: She is known to have been wreaking on the problem for many years. |