【正文】
d some questions by my teacher. 一般過去時 did was/were+done They planted trees yesterday. Trees were planted by them yesterday. 一般將來時 will/shall/be going to+do will/shall/be going to+be done He will do his homework. His homework will be done by him. 續(xù)表 目錄 上一頁 下一頁 末頁 現(xiàn)在進(jìn)行時 am/is/ are+doing am/is/are+ being done She is washing clothes. Clothes are being washed by her. 過去進(jìn)行時 was/were+doing was/were+ being done The workers were mending the road last week. The road was being mended by the workers last week. 現(xiàn)在完成時 have/has+done have/has+been done We have discussed the question. The question has been discussed by us. 含情態(tài)動詞 can/may/ must+do can/may/must+be done I can deal with this problem. This problem can be dealt with by me. 二、被動語態(tài)的基本用法 目錄 上一頁 下一頁 末頁 1. 強(qiáng)調(diào)動作的承受者。 3. 動作的執(zhí)行者不是人,而是無生命的事物。 目錄 上一頁 下一頁 末頁 5. 有時為使句子結(jié)構(gòu)簡練、緊湊,使上下文連貫。 He finished the work. →The work was finished by him. 2. 主動句中感官動詞( see, hear, watch, feel 等)和使役動詞 ( make, let, have 等)后跟省略 to 的動詞不定式作賓語補(bǔ)足語, 變被動語態(tài)時要加上 to。 —— 對不起 。 主語 Tim 是動作 ask 的承受者 , 故應(yīng)用被動語態(tài);由 “ was” 可知 , 句子時態(tài)為一般過去時