Unit3 The Internet Discovering Useful Structures课件-2022-2023学年人教版（2019）必修第二册

被动语态专题复习Why do we use passive voice?In western countries, many people have faith in God and they believe everything is given by the God.Where do we use the passive voice?动作承受者需强调重点在派对这件事上谁做的动作不知道不知道谁来的电话说出谁做的没必要已经知道是谁开的时态+语态amisare一般现在done被动语态时态+语态waswere一般过去done被动语态时态+语态will be一般将来done被动语态时态+语态would be过去将来done被动语态被动语态的不同时态语法秘籍一般现在+被动：am / is / are + done一般过去+被动： was / were + done一般将来+被动： will be + done过去将来+被动： would be + done牛刀小试Time is up. We ____ ________ (ask) to run faster.Anxious and tired, I ____ ________ (lost) in the big forest. On account of the snowstorm, the meeting ____ _____________ (postpone 推迟). 010203 are askedwas lostis postponed主语宾语主动如何变被动？Many people love English around the world.先找出句子的主语和宾语Step 1主动如何变被动？around the world.交换位置原主语前加介词byStep 2EnglishMany peopleloveby主动如何变被动？Englishmany people around the world.找到谓语动词注意它的时态Step 3谓语：一般现在islove byd改写句子：主动改被动They built a new school last year.A new school was built last year.1改写句子：主动改被动In the old days people used the teapot to make tea.In the old days the teapot was used to make tea.2被动语态的不同时态语法秘籍现在进行+被动：am / is / are being done过去进行+被动：was / were being done语法秘籍am/is/ are + donewas/were + donewill + be +donehad + been + donehas/have + been + doneam/is/are being donewas/were + being + done语法填空I ____________ (invite) to help people do housework. I was made ____________ (wash) all the things that could ____________ (wash), such as cloth, quilt, pillow, socks, etc. At first, water ____________ (put) into my body, and then some special liquid ___________ (add) to the water. Later, I have to work trembling and winding my inner. One minute, two minutes —— at last, when everything is quiet again, I _______________ (open) and clothes will be taken out.Do you know who I am? am invited to wash be washed is added is put will be opened 语法总结：被动语态特殊结构动名词主动表被动不定式主动形式表被动There be不定式作定语在need, want, require, bear等词后面作宾语在 adj. + worth 后面作宾语adj. + to do结构too---to---结构不定式主动式 重点在人不定式被动式 重点在物补全并反思这段话The way we read need ______________ (change).Many classic works are worth ______________ (read). These classic works may be difficult ______________ (understand).These classic works may even be too expensive for us ______________ (buy). But there is no time ______________ (lose). Who is ______________ (blame) for your ignorance when you are old?to buyreadingto understandchangingto loseto blame语法填空She was seen ___________ (dance) in the playground last night.The shoes are very dirty, so they need___________ (wash).I’m glad that my book ___________ (sell) well.A competition ____________ (take) place next week.to dancewashingsellswill take语法总结“10大动词”还原 to感官动词x7see, watch, hear, feel, listen to, look at, notice使役动词x3make, have, let“需要”主动表被动deserveneedrequirewant“3种动词”无被动一个连系二个发生三个特殊谓语时态语态导览图谓语动词过去past现在present将来future一般过去：did过去进行：was/were doing过去完成：had done一般现在：do/does现在进行：am/is/are doing现在完成：has/have done一般将来：will do将来完成：will have donewas/were donewas/were being donehad been doneam/is/are doneam/is/are being donehas/have been donewill be donewill have been done谢谢观看！