人教版 (2019)选择性必修 第二册Unit 3 Food and Culture教课ppt课件

这是一份人教版 (2019)选择性必修 第二册Unit 3 Food and Culture教课ppt课件，共26页。PPT课件主要包含了目录页， Summarize，came，即学即练，to become ，have eaten，had eaten， finished，have kept，were 等内容，欢迎下载使用。
The Structure f the Past Perfect Tense
The Cmparisn between the Past Perfect Tense and the Present Perfect Tense
Five Usages f the Past Perfect Tense
Observe and Discver
1. The chef had set up a farm-t-table restuarant befre his new ckbk was published. 2. They had finished their dinner by the time Sam jined them.3. Mst f the guests had left when he arrived at the party. 4. Their dinner had been finished by the time Sam jined them.
1. The Past Perfect Tense 过去完成时2. 第4句有什么特别之处呢？
The Past Perfect Tense基本结构：“had + 过去分词” 被动语态：“had been + 过去分词”基本含义：过去完成时表示在过去某一时刻已经完成的动作，即“过去的过去”。
1. When the plice arrived, the thief had run away.2. Befre he vlunteered t direct the traffic, Tm had lst lts f jbs.3. He hadn’t finished it by yesterday evening. 4. By the end f June, they __________ (treat) ver 800 patients.
The Usage f the Tense (1)
（1）表示过去某时或某动作之前就已经完成或结束的动作。
had treated
1. Kevin had been a newspaper reprter fr tw years befre he became a businessman. 2. He said he ____________ (wrk) in that factry since 1949.3. I had been at the bus stp fr 20 minutes when a bus finally _______ (cme).
The Usage f the Tense (2)
（2）过去某一时间的动作或状态持续到过去另一时间，有时可能继续下去，常与fr，since等引导的时间状语连用。
1. Scarcely had the vtes been cunted, when the telephne rang. 2. N sner had I walked ut than I remembered that I frgt my hmewrk. 3. Hardly had we sat dwn t supper when the phne rang.
The Usage f the Tense (3)
What are the meanings and features f the fllwing sentences?
（3）常用固定句型：Hardly / Scarcely ... when ；N sner ... than（刚……就……）。否定词置于句首，需要部分倒装。主句用过去完成时，从句用一般过去时。
1. 我刚到车站，火车就开了。(scarcely ... when ...)I had scarcely reached the statin when the train started. /Scarcely had I reached the statin when the train started.2. 结果刚一宣布，人们就欢呼起来。(hardly ... when ...)The result had hardly been annunced when the crwd applauded. /
Hardly had the result been annunced when the crwd applauded.
1. We had intended t have a barbecue in the pen air, but the weather was bad.2. I had wished __________ (becme) a dctr, but I studied law at cllege. 3. They ____________ (plan) t see us ff at the airprt.
The Usage f the Tense (4)
（4）常用hpe, expect, suppse, think, want, wish等动词的过去完成时表示过去未实现的愿望、计划或者打算。
had planned
The Usage f the Tense (5)
1. It was the first time she _________ (leave) her mtherland.2. It is the first time (that) I ___________ (speak) in public.3. This _____ (be) the first time I had seen Dad s furius (狂怒的). 4. It is time fr us ________ (pack) up and leave.
have spken
（5）It / This / That was the first / secnd ... time (+ that) … 这是 / 那是某人第一 / 第二次 / 第……次做……此句型中，若主语中的be动词为was,从句中的谓语则用过去完成时；若主句中的be动词为is, 从句中的谓语则用现在完成时。
It is high / abut time that we ______________ (d) smething t stp pllutin.
did / shuld d
It is high / abut time that sb did / shuld d sth 是该做……的时候了。(shuld 不可省略)
1. Tm has eaten his supper.2. Tm had eaten his supper in the canteen befre he went back hme. 1. The family have nt finished breakfast. 2. The family were still at table, but they had finished breakfast.
现在完成时强调过去的动作对现在的影响；过去完成时强调动作或状态开始于过去，也结束于过去。
Try t cmpare the fllwing tw sets f sentences.
Cmpare and Discver
1. I ___________ (eat) lts f cakes s far. 2. I _________ (eat) lts f cakes till then.3. Tm ____________ (finish) writing his nvel by the end f last year. 4. Tm __________ (finish) writing his nvel. 5. Tm ________________ (finish) writing his nvel by the end f next year. 6. Tm _________ (finish) writing his nvel last year.
had finished
has finished
will have finished
Practice Makes Perfect
1. Since ur twins began learning t walk, my wife and I _________ (keep) telling them that ur sliding glass dr is just a windw. (2020 全国Ⅰ卷) 2. Instead, ne activist, dressed in a full-bdy mnkey suit, __________ (arrive) befre ther activists with a sign praising the filmmakers: “Thanks fr nt using real apes (猿)!” (2020 全国Ⅲ卷改)
had arrived
3. Arriving at the party hurriedly, we ______ (be) disappinted t find that the band ___________ (stp) playing.4. Hardly ______ he left the rm when the traveler entered.5. Ehlers called the number f Jeff and Lisa t tell them that their dg ________________ (find). (2019 全国Ⅱ卷改)6. Last winter, when I _____ (g) there again, they _____ (have) a big separate huse t raise dzens f chickens. (2018 全国Ⅰ卷)
had stpped
had been fund
7. Ben __________ (mve) t England with his mum when he was three and it _________ (be) 13 years since I had last seen him. (2018 全国Ⅱ卷)8. This is the first time he ______________ (cnfrnt) an armed rbber.9. Millins f years ag, dinsaurs ramed (漫步) the earth, but they ____________ (becme) extinct by the time humankind first appeared.
has cnfrnted
10. Mary, when questined why she ___________ (cheat) in the exam, just lwered her head and ______ (keep) silent.11. Since then, Ricky __________ (decide) t becme a “Maximum Efficiency By”, and ____ (put) real care int hw he treated his things.12. Hardly had I _____ (cme) ut f the railway statin when my parents _____ (run) t me and _______ (help) me carry my luggage.
had cheated
has decided
Last year, my brther and I ____ (g) t Miami fr a vacatin. Sme f my friends wh ________ (be) there befre said it was a wnderful hliday destinatin. Befre we went, we ____________ (plan) fr mnths. When the day came, we were ready.
After ur plane _______ (land), we went t the htel. We ________ (make) ur reservatin six mnths earlier, but the man at the frnt desk said there ________ (be) a mistake. We ________ (tell) that ur rms hadn’t been reserved fr that week, but fr the week after. I didn’t understand why this wuld happen and my credit card _______________ (charge) fr the reservatin.
had been charged
What’s wrse, the htel _________________ (bk) fully. When we ______________ (wnder) what t d, the manager came ut. She was surprisingly helpful. She aplgized fr the mistake and ______ (give) us a spare VIP rm n the tp flr. We had never stayed in such an amazing rm, and we ______________ (charge) extra.
were wndering
weren’t charged
had been bked
The next day, my brther and I went t the beach where we _________ (watch) sme peple play vlleyball. We gt a little sunburnt, but the day __________ (be) s relaxing that we didn’t mind.