被动语态过去时.ppt.ppt

一般过去时态的被动形式(be done) * 注意：这里 be 的形式决定了被动语态的时态，其后的过去分词没有变化。 肯定句: 主语 + was\were + 过去分词 + (by …) 否定句: 主语+ was\were not +过去分词 +(by …) 一般疑问句:was\were +主语+过去分词 + (by …)? 特殊疑问句 : 疑问词 + was\were +主语 + 过去分词 + (by …)? 1. They bought ten computers last term． by them last term. was/were +过去分词 last year. 2.We planted many trees last year. Many trees were planted Ten computers were bought 3.Maria bought the book last year. (主动句) 被动句： 4.Alexander Graham Bell invented the telephone in 1876. The book was bought by Maria last year. The telephone was invented byAlexander Graham Bell in 1876. They built the tall building last year. He took good care of his little brother yesterday. We cleaned our classroom just now. They used this room for resting. The tall building was built by them last year. His little brother was taken good care of by him yesterday. Our classroom was cleaned by us just now. This room was used for resting by them. 肯定句：主语＋be (was/were)+ 过去分词＋(by ~) 否定句：主语＋be not（wasnt/werent ＋过去分词 ＋(by ~) 一般疑问句：Be(Was/were) ＋主语＋过去分词＋(by ~)? 特殊疑问句： 疑问词＋be＋主语＋过去分词＋ (by ~) by people. Tea was brought to Korea by people. Tea was not brought to Korea Was tea brought to Korea by people? Who was tea brought to Korea by? 根据课本内容，完成下列句子。 1. 拉链是什么时候被发明的？ ______ _____ the zipper ________? 2. 它于1893年被发明。 It ______ _________ in 1893. 3. 它是由谁发明的？ ______ _____ it invented ______? was invented When was invented Who was by 4. 它是由惠特科姆?贾得森发明的。 It ____ ________ ___ Whitcomb Judson. 5. 茶叶什么时候被带到朝鲜去的？ _____ ______ tea _________ to Korea? 6. 是在六到七世纪之间被带到朝鲜。 It _____ _______ to Korea ________the 6th and 7th centuries. was invented by When was brought was brought during 7. 热冰淇淋勺用来做什么？ What ___ the hot ice-cream scoop_____ _____? 8. 它用来挖很冷的冰淇淋。 It’s _____