help被動語態to需要還原嗎
help我們都知道是幫助的意思,可是你知道help的被動語態to需要還原嗎?下面是本站小編爲你整理的help被動語態的相關資料,希望大家喜歡!
help的被動語態help的被動語態to需要還原
例句:I help my mother do the housework
因爲主動態裏只是省略了TO的動詞不定時。被動態要還原。
my mother is helped by me to do the housework.
類似的還有see sb sth. sb. is seen to do sth.
help
vt.& vi.幫助; 有助於, 有利於;
vt.治療; 避免; 招待(客人); 給…盛(飯、菜)
n.幫助; 助手; 補救辦法; 有用
vi.(在餐桌旁)招待,侍應,作僕人(或店員、服務員等);
int.[呼救語]救命!;
被動語態的用法1、不知道或沒有必要指出誰是動作的執行者時。
The bridge was built last year.這座橋是去年建造的。
He was elected chairman.他被選爲主席。
2、 當更加強調動作的承受者時。此時動作的執行者由by引導置於謂語動詞之後,不需要時可以省略。
The room hasn't been cleaned yet.房間還沒有打掃。
The tiger was killed by him.老虎被他殺死了。
3、當動作的執行者不是人時,多用被動語態。如:
The window was blown by wind.窗戶被風吹開了。
The whole village has been washed away by the flood.整個村莊都被洪水沖走了。
4、表示客觀的說明常用"It is + 過去分詞."句型。
It is said that Lucy has gone abroad.據說露茜已經出國了。
It is believed that he is a spy. (=He is believed to be a spy.)大家相信他是個間諜。
其它常見的"It is + 過去分詞+ that"句型還有
It is reported that…據報道
It is said that…據說
It is believed that…大家相信
It is suggested that…有人建議
被動語態的構成被動語態由“助動詞be+及物動詞的過去分詞”構成。人稱、數和時態的變化是通過be的變化表現出來的。現以teach爲例說明被動語態在各種時態中的構成。
一般現在時:am/is/are+taught
一般過去時:was/were+taught
一般將來時:will/shall(be going to) be+taught
現在進行時:am/is/are being+taught
過去進行時:was/were being+taught
現在完成時:have/has been+taught
過去完成時:had been +taught
過去將來時:would(was/were going to) be+taught