| 7.14 不定式的時(shí)態(tài)和語態(tài) | ||
| ? | 時(shí)態(tài)\語態(tài) 主動 被動 一般式 to do to be done 進(jìn)行式 to be doing 完成式 to have done to have been done 完成進(jìn)行式 to have been doing 1) 現(xiàn)在時(shí)：一般現(xiàn)在時(shí)表示的動詞，有時(shí)與謂語動詞表示的動作同時(shí)發(fā)生，有時(shí)發(fā)生在謂語動詞的動作之后。 He seems to know this. I hope to see you again. = I hope that I'll see you again. 我希望再見到你。 2) 完成時(shí)：表示的動作發(fā)生在謂語動詞表示的動作之前。 I'm sorry to have given you so much trouble. He seems to have caught a cold. 3) 進(jìn)行時(shí)： 表示動作正在進(jìn)行，與謂語動詞表示的動作同時(shí)發(fā)生。 He seems to be eating something. 4) 完成進(jìn)行時(shí)： She is known to have been wreaking on the problem for many years. |
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