英語六級完成時態(tài)語法精講
時態(tài)
1)現(xiàn)在完成進行時態(tài) : 動作或狀態(tài)從過去某時開始,繼續(xù)到現(xiàn)在,可能繼續(xù)下去,也可能剛剛結束.
Ive been writing letters for an hour.
Ive been sitting in the garden.
2)過去完成進行時: 過去某個時刻以前一直在進行的動作
Id been working for some time when he called.
We had been waiting for her for two hours by the time she came.
3)將來完成進行時: 將來某個時刻以前一直在進行的動作.
By next summer, he will have been working here for twenty years.
In another months time shell have been studying here for three years.
4)將來完成時: 將來某時會業(yè)已發(fā)生的事.
I shall have finished this one before lunch.
Theyll have hit the years target by the end of October.
語態(tài)
可以有兩種被動結構的.類型,例如:
He was said to be jealous of her success.
It was said that he was jealous of her success.
能同時適用于上述兩個句型的主動詞通常都是表示估計,相信等意義的動詞,常見的有assume, believe, expect, fear, feel, know, presume, report, say, suppose, understand等.
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