摘要:结构:1.行为动词的被动语态: 助动词be + 及物动词的过去分词. be有人称.时态.数的变化,其变化规则与be作为连系动词时完全一样. 一般现在时 am/is/are+及物动词的过去分词 一般过去时 was/were +及物动词的过去分词 一般将来时 will +be +及物动词的过去分词 现在完成时 have/has+been+及物动词的过去分词 2.情态动词的被动语态: 情态动词 + be +及物动词的过去分词 否定式:是在助动词 be 或情态动词后加not构成 疑问式:是把上述助动词或情态动词提到主语之前,句尾加问号构成. 用法: 1.不知道动作的执行者是谁,或没有必要或不想指出谁是动作的执行者. eg. The window was broken yesterday. Is English taught in your school? 2.强调或突出动作的承受者,此时如想同时指出动作的执行者,可用“by +动作执行者来表示. eg.The red dress was made by her mother. The letter must be written by me. 注 意点: 1.只有及物动词能构成被动语态, 不及物动词不能构成被动语态.
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| 用所给词的被动语态填空。 | |
2. A meeting next week. 3. All the fruit has been by the boy. 4. This kind of watch is in Shanghai. 5. The room has been by the students. 6. This tree by an old man many years ago. |