中考網(wǎng)整理了關(guān)于2020年中考英語知識(shí)點(diǎn)之被動(dòng)語態(tài)的構(gòu)成形式，希望對(duì)同學(xué)們有所幫助，僅供參考。

　　被動(dòng)語態(tài)的構(gòu)成形式

　　1. 被動(dòng)語態(tài)的基本時(shí)態(tài)變化

　　被動(dòng)語態(tài)通常為十種時(shí)態(tài)的被動(dòng)形式, 被動(dòng)語態(tài)由be 過去分詞構(gòu)成，be隨時(shí)態(tài)的變化而變化。以do為例，各種時(shí)態(tài)的被動(dòng)語態(tài)形式為：

　　1) am/is/are done (過去分詞) 一般現(xiàn)在時(shí)

　　例Visitors are requested not to touch the exhibits.

　　2) has /have been done 現(xiàn)在完成時(shí)

　　例All the preparations for the task have been completed, and we're ready to start.

　　3) am/is /are being done 現(xiàn)在進(jìn)行時(shí)

　　例A new cinema is being built here.

　　4) was/were done 一般過去時(shí)

　　例I was given ten minutes to decide whether I should reject the offer.

　　5) had been done 過去完成時(shí)

　　例 By the end of last year, another new gymnasium had been completed in Beijing.

　　6) was/were being done 過去進(jìn)行時(shí)

　　例A meeting was being held when I was there.

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