被動語態(tài)
一般現(xiàn)在時的被動語態(tài)：
承受者 + be (is/am/are) + done(過去分詞)+ by + 執(zhí)行者。
eg. Many schools are built(done)every year in the city.
注意：地點狀語，時間狀語一般都放在句末;in the city 特指。
其中be的使用取決于主語的單復(fù)形式。
A lot of修飾可數(shù)和不可數(shù)名詞
Many修飾可數(shù)名詞
Mach修飾不可數(shù)名詞
主動：They all read(原形)English every day.
被動：English read (過去分詞)by all of them every day.
主動：Mother often scolds me.
被動：I am often scolded by mother.
一般過去式的被動語態(tài)：
承受者 + be (was/were) + done(過去分詞)+ by + 執(zhí)行者(不明確時可省略)。
eg. 主動：He repaired his bike yesterday.
被動：His bike was repaired by him yesterday.
主動：Children cleaned many streets last Sunday.
被動：Many streets were cleaned by children last Sunday.
現(xiàn)在進行時的被動語態(tài)：
承受者 + be (is/am/are) + being(現(xiàn)在分詞)+ done + by + 執(zhí)行者(不明確時可省略)。
eg. 主動：He is writing his composition.
被動：His composition is being written by him.
注意：write – wrote - written
過去進行時的被動語態(tài)：
承受者 + be (was/were) + being(現(xiàn)在分詞)+ done + by + 執(zhí)行者(不明確時可省略)。
eg. 主動：He was majoring computer during his college.
被動：Computer was being majored by him during his college.
將來時的被動語態(tài)：
承受者 + be going to/will (shall) be動詞原形/be to be done + by + 執(zhí)行者(不明確時可省略)。
eg.1 A big supermarket will/shall/be to be built here next year
注意：be to用以表示計劃或安排好的動作或行為。
eg.2 The flight is to leave for Hefei city.
現(xiàn)在完成時的被動語態(tài)：
承受者 + have(復(fù)數(shù)主語)/has been done + by + 執(zhí)行者(不明確時可省略)。
eg. 主動：Our School has finished many scientific researches.
被動：Many scientific researches have been finished by our school.
將來時態(tài)的被動語態(tài)：
承受者 + (be going to/will/shall/be to) + have been done + by + 執(zhí)行者。
eg. 主動：We'll have finished the book by the end of September.
被動：The book will/shall have been finished by the end of September.
注意：by the end of 短語的用法
(1)Will have done by the end of + 將來時態(tài)
(2)Had done by the end of + 過去完成時態(tài)
eg. The project had been made by the end of last week.
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