×
來源：網(wǎng)絡資源 2022-03-16 20:58:44
被動語態(tài)通常為十種時態(tài)的被動形式, 被動語態(tài)由be+過去分詞構(gòu)成，be隨時態(tài)的變化而變化。以do為例，各種時態(tài)的被動語態(tài)形式為：
1) am/is/are +done (過去分詞) 一般現(xiàn)在時
例：Visitors are requested not to touch the exhibits.
2) has /have been done 現(xiàn)在完成時
例:All the preparations for the task have been completed, and we're ready to start.
3) am/is /are being done 現(xiàn)在進行時
例:A new cinema is being built here.
4) was/were done 一般過去時
例：I was given ten minutes to decide whether I should reject the offer.
5) had been done 過去完成時
例： By the end of last year, another new gymnasium had been completed in Beijing.
6) was/were being done 過去進行時
例：A meeting was being held when I was there.
7) shall/will be done 一般將來時
例:Hundreds of jobs will be lost if the factory closes.
8) should/would be done 過去將來時
例：The news would be sent to the soldier's mother as soon as it arrived.
9) shall/will have been done 將來完成時(少用)
例:The project will have been completed before July.
歡迎使用手機、平板等移動設備訪問中考網(wǎng)，2025中考一路陪伴同行！>>點擊查看
