被动语态课件(38张)

课件38张PPT。 Passive Voice 被动语态Football is played all over the world.A man-made satellite was sent up into space last year.The tree must be planted on the ground.ReadThe ground will be covered with trees in a few years’ time. The food has been eaten up already.课堂目标： ★掌握一般现在时、一般过去时 、一般将来时和带有can，may，must等情态动词和现在完成时的被动语态的构成和基本用法。 It’s very important for us to protect the environment. Every day many trees are cut down. Waste is thrown away. The air is polluted. Waste water is poured into rivers. Wild animals are killed……一般现在时的被动语态: am/is/are+过去分词Exercise: The bottle _____ (fill) with hot water. 瓶子里装满了热水。 2. Cameras _____ (use) for taking photos. 相机是用来照相的. are usedis filled3.The classroom is very clean and it _____ (clean) by us every day. 4.The toys in the supermarket _____ (make) in China. 5.Beijing is a beautiful city and it _____ (visit) by many people every year. is cleanedare madeis visited Though mom wasn’t at home last night, Lily and Ted still had a good dinner. The vegetables were cut by Ted. The food was cooked by Lily. And after the supper, the dishes were washed by Lily. The table was wiped（擦）by Ted. The kitchen was cleaned by them two. 一般过去时的被动语态: was/were+过去分词Exercise: 1.A new machine _____ (invent) last month. 一种新型机器上个月被发明。 2.They _____ (ask) a question by the teacher yesterday. 昨天他们被老师问了一个问题。 were askedwas invented 3.The book _____ (write) by him last year. 4.Our school has a long history. And it _____ (build) in 1958. 5.Many students _____ (send) to America to study by our school last year. were sentwas builtwas written Chao Yang is very famous both in Beijing and in China . Some new buildings will be built soon. More important meetings will be held here. It will be visited by many people. It will be loved by more and more people. We believe it will be known by the people all over the world.1.The letter _____ (post) tomorrow. 这封信明天将被寄走. 2.A new film _____ (show) next week. 一部新电影下周将被上演. 一般将来时的被动语态: will+be+过去分词Practice : will be postedwill be shown/ showed 3.The hard work _____ (finish) tomorrow and then we’ll have a two-day off. 4.A party _____ (hold) for grandma’s birthday next week. 5.She has moved to the new building. Her old house _____ (sell) soon. will be finishedwill be heldwill be soldRules for the Chemistry Lab 1.No eating and drinking can be allowed in the chemistry lab. 2.Waste paper should be thrown into the paper basket. 3.Nothing may be touched without permission(允许). 4.Everything must be put back after the experiment. 5.The lab should be kept clean. 在实验室里吃和喝不能被允许.实验室应该被保持整洁.废纸应该被扔进纸篓里. 不得到允许,什么都不能(被)摸.实验后每样东西必须被放回.带有情态动词的被动语态: 情态动词+be+过去分词Practice :1.English _____(learn) well. 英语必须被学好. 2.The computer _____(repair) by us. 电脑可以被我们修好. can be repairedmust be ... ...