初中英语被动语态复习课件

Passive voice 被动语态基本用法当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。被动语态由助动词be+过去分词构成，时态通过be表现出来。 be + Vp.p(动词的过去分词）1)be 动词可以随时态人称的变化而变化am/ is / are + V(过去分词）was/ were+ V(过去分词）will be + V(过去分词）情态动词+ be + V (过去分词） 1.规 则 动 词 的 过 去 分 词 ：1)一 般 情 况 在 动 词 原 形 后 加 -edwatch-watched2)以 不 发 音 e结 尾 的 加 -d practice-practiced3)以 辅 音 加 y结 尾 的 ， 去 y变 i加 -edstudy-studied4)以 重 读 闭 音 节 结 尾 ， 末 尾 只 有 一 个 辅 音 字 母 ， 先 双 写 该 辅 音 字 母 ， 再 加 -edstop-stopped2.不 规 则 动 词 的 过 去 分 词 ：amisare been havehas had do donewrite writtengo gone He plants trees in spring. 主 谓 宾 (受 动 者 )Trees are planted byhim改为被动语态in spring. 主动语态变被动语态口诀：宾语提前主语变，原主变宾by后见，时态人称be关键。 Tom will clean the room tomorrow.主 谓 宾 (受 动 者 )The room will be cleaned by Tom tomorrow. His brother washes bowls every day. 主 谓 宾 (受 动 者 )Bowls are washed byhis brother every day. 1.They make shoes in that factory.主语+及物动词+宾语Shoes are made (by them) in that factory.一般现在时：S(主语）+am/is /are +过去分词 2. They bought ten computers last term Ten computers were bought (by them) last term.一般过去时：S+was/were +过去分词 3 Amy can take good care of Gina Gina can be taken good care of by Amy.情态动词：S+ can/may/must/should + be+过去分词 各种时态的被动语态构成 1）一般现在时：You are invited to do this.2）一般过去时：The story was told by her.3）一般将来时：The problem will be discussed tomorrow. 4)情态动词：The rubbish can be put into the dustbin over there. 时 态 主 动 语 态 被 动 语 态一 般 现 在时 V(原 形 )/ V(e)s am/is/are +Vpp一 般 过 去时 V-ed/ made was/were +Vpp一 般 将 来时 will +V(原 形 ) will+ be +Vpp含 情 态 动词 情 态 动 词 + V(原 形 ) 情 态 动 词 + be +Vpp 各种时态的被动语态构成一般现在时：一般过去时：情态动词：一般将来时：现在进行时：现在完成时：过去进行时：S+am/is /are +P.PS+was/were +P.P.S+ can/may/must/should + be+ P.P.S+ will+be+ P.P.S+ am/is/are + being + P.P.S+ have/has + been+ P.P.S+ was/were+being+ P.P. 何时使用被动语态呢？ 一、行为主体不明确，不必说出或者无法说出动作的执行者时。例如： Football is played all over the world 二、不易找到或根本就不可能找到动作的执行者时。例如： My bike was stolen我的自行车被盗了。 三 、 汉 语 中 含 有 “ 据 说 ” 、 “ 据 悉 ” 、 “ 有人 说 ” 、 “ 大 家 说 ” 等 时 。 例 如 ： It is said that one day he climbed to the top of a house and It was reported that her mother died of SARS.众 所 周 知 It is well known that 据 推 测 说 It is supposed that 四 、 汉 语 中 含 有 “ 被 ” 、 “ 由 ” 等 词 时 。例 如 ： Tina is asked to come by PaulTina是 被 Paul叫 来 的 。五、某些句子习惯上用被动语态。例如： He was born in October，1989 1.People use knives for cutting things.K nives _ _ for cutting things.2.The students clean the windows of their classroom twice a month.The windows of their classroom_ _ twice a month. are used arecleaned (变被动语态） 3.I found the ticket on the floor._ _ _ _ on the floor.4.I told her to return the book in time.She _ _ to return the book in time.The ticket was found was told 5. His doctor made him have only two meals a day.He _ _ _ _ only two meals a day.6.Now people can use computers to help them.Now computers _ _ _ to help them. was made to have can be used 7. Did you plant many trees at this time last year?_ _ _ _ at this time last time?8.Must we finish our work today?_ our work_ _ today?Were many trees plantedMust be finished 9. The foreign friends gave us some wonderful stamps.1) _ _ _ some wonderful stamps.2) Some wonderful stamps _ _ _ _. we were given were given to us 10.The teacher asked Tom to turn on the computer.Tom _ _ to turn on the computer.11.In this factory women do most of the work. Most of the work _ _ by women in this factory. was asked is done 12.He can mend the bike in two days.The bike _ _ _ in two days.13.You must take this medicine three times a day.This medicine _ _ _ three times a day. can be mended must be taken 14.The students study German in this school.German _ _ by the students in this school.15.Do they often talk about this question?_ this question often _ about _ _? is studiedIs talked by them 1)Teenagers should _ (allow) to go out at night.2)The telephone _ (invent) by Bell.3) English _ (speak) in China.4) The car _ (make) in China.5) The room must _ (clean) every day. be allowedwas inventedis spoken is made be cleaned ( ) The flowers _ every day,or theyll die.A must water B can be wateredC should water D must be watered( ) Many computers will _ to our school.A be bring B be brought C bring 4.They will finish the work in ten days.The work will be finished (by them)in ten days.一般将来时：S+ will+be+过去分词 5.Some workers are painting the rooms nowThe rooms are being painted by some workers now.现在进行时： S+ am/is/are + being +过去分词 6 We have made twenty more keysTwenty more keys have been made by us.现在完成时： S+ have/has + been+过去分词 7 I was doing my homework at 8:00 last night My homework was being done (by me) at 8:00 last night.过去进行时： S+ was/were+being+过去分词 1.Bikes are made of metal.2.My shirt is bought by my mother.3.The bridge was built in 1951.4.The work will be finished tomorrow.5.Teenagers should be allowed to smoke6.The flowers must be watered every day.