英语选择性必修 第二册Unit 2 Improving yourself图片ppt课件

这是一份英语选择性必修 第二册Unit 2 Improving yourself图片ppt课件，共28页。PPT课件主要包含了过去完成时的被动语态，语境运用等内容，欢迎下载使用。
Unit 2 Imprving yurself
Past perfect passive
T learn the past perfect passiveT talk abut what had happened befre yu started a new habit, using the past perfect passive
Lk at the sentences and answer the questins. Sentence (a) is frm the reading passage.
a. At the start f the detx, ver 100 students had been persuaded t stp using scial media, in ANY frm, fr seven days.b. At the start f the detx, peple had persuaded ver 100 students t stp using scial media, in ANY frm, fr seven days.
1. Were the students in sentence (a) persuaded befre the detx started, r afterwards?
2. What is the difference between sentences (a) and (b)?
Sentence (a) uses the passive vice f the past perfect tense, while sentence (b) uses the active vice f the past perfect tense.
3. Why des the authr chse t use a passive frm instead f an active frm?
The passive vice can be used t emphasise the acceptr f an actin.
They had been prmised mney by family and friends fr each day spent withut using scial media.But n reflectin, I can see hw much f my time had been ccupied with checking my phne.
Nw lk fr mre sentences with the past perfect passive in the reading passage, and summarise its use in yur wn wrds.
The past perfect tense is used t tell an activity dne befre smething in the past. S it is used in a backgrund f past.
past perfect
past perfect tense
1. 过去完成时的被动语态构成：
过去完成时被动语态的肯定结构:
had been + v.-ed (及物)
e.g. The classrm had been cleaned befre the teacher came. 老师进来前教室就已经被打扫干净了。
过去完成时被动语态的否定结构：had nt been + v.-ed (及物)
e.g. The classrm hadn’t been cleaned befre the teacher came.
过去完成时被动语态的疑问句结构: had+主语+been+v.-ed (及物)
e.g. Had a new schl been set up by the end f last year? 去年年底是建了一所新学校吗？
2. 过去完成时的被动语态的用法表示在过去某一时间或动作之前已经完成的被动动作。 e.g. The vegetables didn’t taste gd. They had been cked fr t lng.(2) 表示从过去某一时间开始，延续到过去另一时间的被动动作，常与fr, since引导的时间状语连用。 e.g. It was reprted that the mney had been raised fr weeks.
(3) 用在主句动词是过去式时的宾语从句中。 e.g. He wanted t knw if the result had been annunced (宣布). He tld us that the prject had been cmpleted.(4) 根据语境，判断动作的先后顺序或被动情况。 e.g. It was the first time he had been bitten by a dg.
Learn t use the past perfect passive in the given situatin.Learn t use the past perfect passive t express yur wn experiences.
Cmplete Jack's blg pst with the crrect frm f the verbs in brackets.
Yu shuld read the passage in a whle and knw clearly abut what had happened.List the actins in a timeline s that yu can find ut the rder f the things. It is helpful fr yu t decide what tense and frm yu shuld use.
Befre I turned ver a new leaf I had always been a very lazy student. I was careless abut handing in my hmewrk, and nne f my assignment deadlines ever _____________ (meet). Indeed, I wuld deliberately “lse” my hmewrk in my incredibly messy rm, s that I culd put ff ___________ (d) it!
had been met
My parents sn wrked ut this trick, thugh, and ne day I came hme t find that my rm __________________ (clean), and my hmewrk ______________ (put) right in the centre f a sptlessly clean desk! A present ___________ (leave) n the desk, t ( I think Mum did that): a bk called The Art f Prcrastinatin.
had been put
had been left
had been cleaned
The authr. Jhn Perry, said that prcrastinatin was abut ______________ (avid) the hardest and mst imprtant tasks. S, ___________ (make) sure yu d yur hmewrk, put it secnd r third n yur t-d list, nt at the tp. Then put ne r tw really hard things yu dn’t want t d at the tp f the list. Yu will prcrastinate t avid the hard stuff －by ding yur hmewrk!Psted by Jack at 13:34
Wrk in pairs. Describe the pictures using the past perfect passive.
Jack started the habit f cleaning his rm last week. This is what his rm lked like yesterday mrning.
What's yur impressin n the rm?
clean, tidy, in rder...
But tw weeks ag, Jack’s rm was like this…
What’s yur impressin n this rm?
messy, disrder...
Jack started the habit f cleaning his rm last week. This is what his rm lked like yesterday mrning. (The flr was clean. The sheet was laid flat n the bed. all the bks and clthes were placed neatly and tidily. The pictures n the wall were straight.) But tw weeks ag, Jack's rm had been an awful mess. His clthes had been thrwn everywhere, the pictures had nt been hung straight, and all the drawers had been pened. It had been a very disrderly srt f rm, with bks and papers lying arund everywhere
Wrk in pairs. Talk abut what had happened befre yu started a new habit f yur wn. Use the past perfect passive where apprpriate.
Yu can make a list f the bad habits that yu nce had;Mark when yu changed the bad habits;Write dwn what yu had dne befre yu changed with past perfect tense, using its passive if necessary.
It _______________ (knw) fr a lng time that Yellwstne was vlcanic in nature — that’s what accunted fr all its ht springs and ther steamy features. (2019江苏卷)A rescue wrker risked his life saving tw turists wh ________________ (trap) in the muntains fr tw days. (2018北京卷)
had been knwn
had been trapped
3. I was sent t the village last mnth t see hw the develpment plan _______________ (carry) ut in the past tw years. (2018江苏卷)4. When all thse ______________ (d), the rad surface was replaced. (2017全国II卷)5. If the new safety system ____________ (put) t use, the accident wuld never have happened. (2017北京卷)
had been carried
had been dne
had been put
用括号内动词的正确形式完成下面句子。1. Nne f the Brwns ________________ (invite) s I didn’t meet any f them at the evening party.2. By the end f yesterday all the glasses ________________ (wash).3. Befre supper yesterday my hmewrk _______________ (finish).4. The rm _________________ (paint) three times befre they mved in.
had been painted
 had been invited   
had been washed
had been finished
Use the past perfect passive t talk abut what had happened befre yu started a new habit f yu wn. Here is an example:I started t wash my wn clthes. They had been washed by myself since three weeks ag.