（2019版）新人教版选择性必修第二册Unit 3Discover useful structures ppt课件.pptx

1、Unit 3 Food and cultureDiscover useful structures1Master the use of past perfect tense.2Words: junk food ;garlic; bacon; ham; sausage; cabbage; dessert; stableGoalsWork in groups. Discuss the questions.What is the difference between present perfect tense and past perfect tense?Lead in1. The concert

2、has started. We have to look for our seats in the dark.2. They had finished their dinner by the time Sam joined them.Language point过去完成时过去完成时过去完成时：过去完成时：表示发生在过去的两个动作在前的那一个，它表示句子中描述的动作发生在“过去的过去”。基本形式：基本形式：过去完成时由had done构成，因此无人称变化肯定式：肯定式：I had/Id worked等否定式否定式：I had not/hadnt worked等疑问式：疑问式：had I work

3、ed等否定疑问式否定疑问式：had I not/hadnt I worked等被动形式：被动形式： had been done 已经被了1. Bill was in uniform when I met him. He had been a soldier for ten years.我遇到比尔的时候，他身穿军服。那时他已经当了十年兵了。（先当兵，之后遇到）2. The old oak tree, which had stood in the churchyard for 300 years, suddenly crashed to the ground.屹立在教堂墓地上已300百年之久的老橡

4、树突然间哗啦一声巨响倒在地上。（倒在地上后发生）3. He had served in the army for ten years; then he retired and married.他在军队里服役十年，后来退伍并结了婚。（先服役，后退伍结婚）4. When I arrived there, the tree had been cut down.当我到那的时候，这棵树已经被砍到了 （先砍到，后到那）时态用法：时态用法：1. 过去完成时是现在完成时的过去式：现在完成时：现在完成时：Ann has just left. If you hurry you ll catch her.(安刚刚走

5、。如果你快一点，就能追上她。)过去完成时：过去完成时：When I arrived Ann had just left.(我到的时候，安刚刚离开。)Content1. Look at the two pairs of sentences, paying attention to the meaning and use of the past perfect tense and the past perfect passive voice.1. The chef had set up a farm-to-table restaurant before his new cookbook was p

6、ublished.A new farm-to-table restaurant had been set up by the chef before his new cookbook was published.2. They had finished their dinner by the time Sam joined them. Their dinner had been finished by the time Sam joined them.2. Complete the two conversations with the correct forms of the words in

7、 the box using the past perfect tense or the past perfect passive voice. arrive cancel eat finish get taste tellCarol: _you ever _ any Scottish food before your trip to St Andrews last year?Paul: No, not really. But I _ about haggis many times before we went there.Carol: Oh . Did you try it?Paul: Oh

8、, yes! You know what? We _ late for supper that day, and so we just ate whatever was left in the university canteen. We_ our meal before we learnt we_ just_ haggis!tasted Hadhad been toldarrived had finishedhadeaten Carol: My goodness!Paul: Well, it was not bad. I have to say. Carol: When I got to t

9、he teahouse yesterday, I found nobody there. _itPaul: Oh, Im so sorry that I forgot to tell you! The get-together was cancelled yesterday morning because Sally, the hostess, _into a car accident.Carol: Oh, Im sorry to hear that. Hope Sally recovers soon!had got cancel3. Work in pairs. Choose one of

10、these three situations, and make as many sentences as you can using the past perfect tense and the past perfect passive voice. Then make a conversation using these sentences.EXAMPLE I had just finished my . . . t h e windows had been closed. homework. . . . t h e light had been switched off.1. When I set off for the cafeteria . . . I had ordered a taxi online.2. Before he went into the chocolate factory.3. By the time I arrived at the insect party . . .3. 预习 Unit 3-Listening and Talking。1. Recite new words and phrases.2. Write a composition about food culture with past perfect tense.Bye-bye!