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2022年6月英語六級語法?？贾R點：動詞語態(tài)

可以有兩種被動結(jié)構(gòu)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.

It is supposed that the ship has been sunk.

The ship is supposed to have been sunk.

擔當be supposed to 與不定式的一般形式搭配時往往表示不同的意義.例如:

Why are you driving so fast in this area? You are supposed to know the speed to know the speed limit. (你應(yīng)該曉得速度限制)