被动语态课件.ppt

1、英语动词分两种语态： 语态和 语态。 主动语态表示 是动作的 。 被动语态表示 是动作的 。 2、不知道动作的执行者是谁时，没有必要说出动作的执行者时，或只需要强调动作的承受者时，用被动语态。 被动语态的基本结构为: 承受者+ + + by+执行者 主动 被动 主语 执行者 主语 承受者 be动词 过去分词 3、快速写出下列不规则动词的过去分词. 1. make _________ 2. do _________ 3. hold _________ 4. buy ________ 5. take__________ 6. give ________ 7. build ________ 8. see _________ 9. tell __________ 10. draw _______ 11. throw ______ 12. teach _______ 13. speak ________ 14.hear _______ 15.write_________ made done held bought taken given built seen told drawn thrown taught spoken heard written 牛刀小试：把下列句子改为被动语态 1. My mother cleans the floor. The floor ____ ____ by my mother. 2. She found the little boy yesterday. The little boy ____ ____ ___ her yesterday. 3. He will visit the park tomorrow. The park____ ___ ____ by ____ tomorrow. 4. Tom can take good care of Peter. Peter____ ____ ____ ____ ____ ___ by Tom. is cleaned was found by will be visited him can be taken good care of My mother cleans the floor . 主（执行者） 谓 宾(承受者) The floor is cleaned by my mother 改为被动语态 试试看 → 考点1：一般现在时： 主语 + __________ + _______ am/is/are 过去分词 练一练： He rides the motorbike every day. The motorbike __ ______ __ ___ every day. is ridden by him She found the little boy yesterday. 主 谓 宾(承受者) The little boy was found by her yesterday . 考点2：一般过去时： 主语 + _________+ _______ was/were 过去分词 练一练： Workers built the house two years ago. The house ____ ____ by workers two years ago. was built 1.Tom will visit the park tomorrow. 主 谓 宾(承受者) The park will be visited by Tom tomorrow. 考点3：一般将来时： 主语+ + ___+_______ will/ be going to be 过去分词 练一练：The bears will hold a party next week. A party by the bears next week. will be held 练一练： They are going to