初中英語被動(dòng)語態(tài)知識(shí)點(diǎn)詳解
英語中有一種主動(dòng)句可以轉(zhuǎn)換成兩種被動(dòng)句型,它們通常是一些表示客觀說明的句子,如:
People believed that she is honest. 大家相信她是誠(chéng)實(shí)的。
Its believed that she is honest. 大家相信她是誠(chéng)實(shí)的。
She is believed to be honest. 大家相信她是誠(chéng)實(shí)的。
比較上面兩類被動(dòng)句型可以發(fā)現(xiàn),一類是it+be+過去分詞+that從句,另一類則是主語+be+過去分詞+不定式(其中的主語為前一類句型中that從句中的主語),通?捎糜谶@兩類被動(dòng)句型的動(dòng)詞有assume, believe, expect, fear, feel, know, presume, report, say, suppose, think, understand等,比較(同時(shí)注意其中時(shí)態(tài)和動(dòng)詞形式的.變化):
Its expected that he will come soon.= He is expected to come soon. 預(yù)計(jì)他很快就會(huì)來。
Its expected that he has come. =He is expected to have come. 估計(jì)他會(huì)已經(jīng)來了。
Its known that is a good singer. =He is known to be a good singer. 大家知道他是位優(yōu)秀的歌手。
Its known that was a good singer. =He is known to have been a good singer. 大家知道他曾是位優(yōu)秀的歌手。
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