Module 4 Great Inventions Unit 3 Language in use Language practicePaper and printing have been used for ages.The battery hasn’t been changed for a couple of months.Has it been published yet?Information can be kept on CD-ROMs.Books could only be produced one at a time.Can books be replaced by computers?现在完成时的被动语态： have/has （ not ） been + 过去分词情态动词的被动语态： 情态动词（ not ） + be + 过去分词表格：被动语态基本结构时态被动语态结构一般现在时一般过去时现在进行时过去进行时一般将来时过去将来时现在完成时过去完成时am/is/are donewas/were doneam/is/are being donewas/were being doneshall/will be donewould be donehave/has been donehad been done 几种特殊结构1.My uncle gave me a gift on my birthday ． 2.We often hear him play the guitar ．I was given a gift on my birthday ．A gift was given to me on my birthday.•He is often heard to play the guitar•注意： see, watch, hear, notice, feel, make, listen to, look at 等动词 / 短语后作宾语补语的不定式都不带 to ；但改成被动语态后必须带 to 。A recorder is used in our English class every day. recorderEnglish classLet‘s practice ！！use …forOften playFootball is played all over the world.A camera is used for taking photos.Let‘s practice ！！rob yesterdaysend uplast yearA man-made satellite was sent up into space last year.A bank was robbed yesterday.Let‘s practice ！！must plantcover within a few years’ timeThe tree must be planted on the ground.The ground will be covered with trees in a few years’ time. Let‘s practice ！！send to right nowa talk give soonThey will be sent to the hospital right now.A talk will be given soon.digThe earth is being dug now.eat up alreadyThe food has been eaten up already.ExercisesComplete the sentences with the correct form of the wo...
