英语语法复习之被动语态.pptx
英语语法复习之被动语态,By Cobra,当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者，或者只需要强调动作的承受者时，要用被动语态。,被动语态的用法,English is spoken in Canada.This table was made of wood.The telephone was invented in 1876.Tea was discovered by Emperor Shen Nong.,be动词+动词的过去分词(P.P),被动语态的基本构成,be动词体现时态，过去分词体现语态,The classroom is cleaned by us every day.The classroom was cleaned by Lily yesterday.The classroom will be cleaned by Cindy tomorrow.The classroom is being cleaned by Tina now.The classroom has been cleaned already.The classroom should be cleaned every day.,Volunteers plant 3,000 trees every year.,一般现在时态的被动语态,3,000 trees are planted by volunteers every year.,She helps me in English every day.,I am helped by her in English every day.,am/is/are+动词的过去分词(P.P),I ate two eggs yesterday morning.,一般过去时态的被动语态,Two eggs were eaten by me yesterday morning.,Lily bought a new cellphone last week.,A new cellphone was bought by Lily last week.,was/were+动词的过去分词(P.P),一般情况下以不发音的e结尾以辅音字母+y结尾,4.重读闭音节以一个辅音字母结尾5.不规则变化,We should clean our bedrooms every day.,含情态动词的被动语态,Our bedrooms should be cleaned by us every day.,He can speak three kinds of languages.,Three kinds of languages can be spoken by him.,情态动词+be+动词的过去分词(P.P),现在进行时态的被动语态,其他时态的被动语态,They are eating the birthday cake.,The birthday cake is being eaten by them.,过去进行时态的被动语态,We were having an English evening at that time.,An English party was being had by us at that time.,其他时态的被动语态,现在完成时态的被动语态,其他时态的被动语态,They have finished their homework.,Their homework has been finished by them.,过去完成时态的被动语态,We had learned 3000 words by the time last term.,3000 words had been learned by us by the time last term.,一般将来时态的被动语态,其他时态的被动语态,They will plant some trees next Sunday.,Some trees will be planted by them next Sunday.,过去将来时态的被动语态,We would give away the money.,The money would be given away by us.,My mother bought me a pen on my birthday.,双宾语的被动语态,I was bought a pen by my mother on my birthday.,A pen was bought for me by my mother on my birthday.,My father gave me some books last Sunday.,I was given some books by my father last Sunday.,Some books were given to me by my father last Sunday.,Mr.Wang made Lily do lots of homework.,省to不定式的被动语态,Lily was made to do lots of homework by Mr.Wang.,I heard Cindy play the guitar yesterday.,Cindy was heard to play the guitar by me yesterday.,see/watch/find/hear/notice sb.do sth.let/have/make sb.do sth.,省to动词不定式在变成被动语态时要加上to,1、表示状态特征的系动词 2、表示开始、结束、运动的词3、表示主语某种属性特征的动词4、非谓语动词主动表被动5、there be结构中,注意 主动式表被动,There are many things to do.,The house needs repairing.,The pen writes smoothly.,The shop opens at 9:00 am.,The steel feels cold.,to be repaired,to be done,总结表格,1.She eats bread for breakfast.2.Bell invented the telephone in 1876.3.We should plant more trees on the hill.4.They are doing their homework right now.5.We have taken lots of pictures.,练习一将下列句子改为被动语态,Lots of pictures have been taken by us.,Their homework is being done by them right now.,More trees should be planted by us on the hill.,The telephone was invented by Bell in 1876.,Bread is eaten by her for breakfast.,1.English _ in the USA.A.speak B.is speaking C.is spoken D.spoken2.3,000 trees _ by these volunteers last year.A.planted B.were planted C.are planting3.I will not go to the party until I _.A.invite B.am invited C.am inviting D.invited4.The old people should _ well by us.A.looked after B.be looked after C.look after5.This dish _ good.A.is smelt B.smells C.smelt,练习二选择最佳选项,
