11.27 時態一致
1) 如果從句所敍述的為真理或不變的事實，則永遠用現在時。
At that time, people did not know that the earth moves.
He told me last week that he is eighteen.
2) 賓語從句中的助動詞ought, need, must, dare 時態是不變的。
He thought that I need not tell you the truth.
11.28 時態與時間狀語
時間狀語
一般現在時 every …, sometimes, at …, on Sunday,
一般過去時 yesterday, last week, an hour ago, the other day, in 1982, just now
一般將來時 next…, tomorrow, in+時間,
現在完成時 for, since, so far, ever, never, just, yet, till/until, up to now, in past years, always, recently
過去完成時 before, by, until, when, after, once, as soon as
過去進行時 this morning, the whole morning, all day, yesterday, from nine to ten last evening… when, while
將來進行時 soon, tomorrow, this evening, on Sunday, by this time, tomorrow, in two days, tomorrow evening |
楼主
发表于 2008-1-8 14:50:31
发表于 2008-1-8 15:41:59
