八年級下冊英語(人教版)Unit3課件

1、What are they doing?They are running.What is he doing?He is playing tennis.What is the man doing?He is eating bread.He was cooking at this time yesterday.What was he doing at this time yesterday?What were they doing at 2:00 yesterday afternoon?Were they playing?No,they werent .They were doing homewo

2、rk.UFO Unidentified Flying ObjectWhat was he doing when the UFO arrived?He was taking a shower.He was in the living-room.Where was he when the UFO arrived?Where was he?What was he doingMatch the statement with the people in the picture.1._ I was in the bathroom.2._ I was in my bedroom.3._ I was in f

3、ront of the library.4._ I was in the kitchen.5._ I was in my barber shop.6._ I was in the barbers chair.ECABDF1a1bListen to the reporters questions and circle the correct responses.a. Standing in front of the library / studying in the libraryb. Cleaning my room /sleeping latec. Making a milk shake /

4、cooking dinnerd. Getting out of the shower / talking on the phonee. Eating lunch / cutting hairA: Where was the girl when the UFO arrived?B: She was in front of the library.A: What was she doing when the UFO arrived?B: She was standing in front of the library.barberboymanwoman young mangirlThe boy w

5、as playing basketball when the UFO arrived.What was he doing when the UFO arrived ?While he was playing basketball the UFO arrived.What happened to Ted?What did he see?Listen and number the statements in the order you hear them. _ The alien visited the Museum of Flight._ The alien bought a souvenir.

6、_ A UFO landed on Center Street._ The alien went into a store._ An alien got out of the UFO.123452a過去進(jìn)行時過去進(jìn)行時構(gòu)成構(gòu)成用法用法“was / were + v-ing”表示在過去某一時刻或表示在過去某一時刻或某一某一 段時間內(nèi)正在進(jìn)行或段時間內(nèi)正在進(jìn)行或發(fā)生的動作。發(fā)生的動作。時間狀語時間狀語at that timeat this time yesterday / lastat oclock yesterday/ last.when sb did sth過去進(jìn)行時過去進(jìn)行時過去進(jìn)行時講解過

7、去進(jìn)行時講解n構(gòu)成：was / were +v-ing （其中was是am、is的過去式，were是are的過去式）ne.g. I was doing my homework then . 那時，我正在做作業(yè)。n用法：1）過去進(jìn)行時表現(xiàn)過去某一時刻正在進(jìn)行的動作。n2）過去進(jìn)行時還表示過去某階段正在進(jìn)行的動作。ne.g. They were waiting for you yesterday .他們昨天一直在等你。n三、以when和while引導(dǎo)的時間狀語從句n1）延續(xù)性動詞指動作可以延續(xù)一段時間，而不是瞬間結(jié)束。如：work,study,drink,eat等。n2）非延續(xù)性動詞指動作極為短暫

8、，瞬間結(jié)束。如：start,begin,arrive,jump,go, finish,borrow,knock等。nwhen表示“當(dāng)?shù)臅r候”。它后面既可跟延續(xù)性動詞，又可跟非延續(xù)性動詞.n如：Mary was having dinner when I saw her .(當(dāng)我看到瑪麗的時候,她正在吃飯.)nwhile表示“在的時候”、“在期間”。while后面必須是表示動作或狀態(tài)的延續(xù)性動詞。n如：The weather was fine while we were in Beijing .(當(dāng)我們在北京的時候天氣很好.)n所以, when可指時間點，又可指時間段，從句中可用延續(xù)性動詞，也可用

9、非延續(xù)性動詞。nwhile總是指一個時間段，從句中必須用延續(xù)性動詞。比較 “when” and “while”2. When the UFO landed, the boy was walking down the street. While the boy was walking down the street, the UFO landed 1. When the alien got out, the girl was shopping. While the girl was shopping, the alien got out. =n一、用while或when 填空n 1.The gi

10、rl was shopping _the alien got out.n 2._ the girl was shopping ,the alien got out.n 3.I was doing my homework _my mother came in.n 4._I was doing my homework ,my mother came in.n 5.He called to see me _I was looking for my bag.n 6._we were talking ,Dad got home.n 7._I was sitting in the barbers chai

11、r , my friend phoned me.n 8.The Greens were having dinner _ I visited them.n 9.What did you do _ the UFO landed?n 1.The boy was walking down the street_ a UFO landed.2.The girl was shopping_ she saw the alien got out.3._ the alien was buying a souvenir, the girl called the police.4._ the alien was v

12、isiting the museum, the boy called the TV station.whenwhenWhileWhileListen again. Complete the following sentences with “when” and “while”2bExercises1n一、用所給單詞的適當(dāng)形式填空n 1.Mary ofen _up at six oclock. But she _(not get)up at this time yesterday.n 2.When I came in, Alice _(lie)in bed.n 3._(not be) late

13、again. Please get to school on time.n 4.The plane_(take off) a five minutes ago. n 5.While the reporter_(take) a photo, the cat climbed the tree 2. The young man _ the tree _a man saw him and asked him to Jump down. was climbingwhenMake the sentences_ the young man was climbing the tree, a man saw h

14、im and asked him to jump down.While1. _ John _ to school yesterday, he saw a cat in a tree. Whilewas walkingMake the sentencesJohn was walking to school yesterday _ he _a cat in a tree.sawwhenExercises Choose “when” or “while” to fill in the blanks. (1)I was walking in the street _ the accident happ

15、ened. (2)_ you have a meeting, you should turned off your mobile phone. (3)_ you have PE class, you should wear sports shoes. (4)_ I was doing my homework, the telephone rang. (5)_ it was raining, the plane took off. (6)_ the teacher was speaking to class, Nick stood up suddenly.whenwhenwhenwhileWhi

16、leWhileExercises7. He _(draw) at eight yesterday evening.8. The twins _(shop) when their friend _ (see) them yesterday.9. While he _ (cook) dinner, his friend _ (get) out of the shower.10. He saw the UFO while he _ (walk) down the street.was drawingwere shoppingsawwas cookinggotwas walkingHomework:

17、1.Fill in the chart and make a conversation in three. Time(yesterday)Your partneryou7:00pm8:00pm9:00pmLike this : A: What were you doing at yesterday? B: I was . A: What were you doing ? C: I was . A: What was he / she doing ? B /C: He /She was .Ms. Lin yesterday morningyesterday afternoonyesterday

18、eveningMr. Greennyesterday morningnwhen the UFO arrivedA: Where was the girl when the UFO arrived?B: She was in the bedroom.A: What was she doing when the UFO arrived?B: She was sleeping.The boy was playing basketball when the UFO arrived.What was he doing when the UFO arrived ?While he was playing

19、basketball the UFO arrived.What was she doing when the UFO arrived ?She was skating when the UFO arrived.While she was skating the UFO arrived.2. The young man _ the tree _a man saw him and asked him to Jump down. was climbingwhenMake the sentences_ the young man was climbing the tree, a man saw him

20、 and asked him to jump down.WhileJay _ _ _ _ when I saw him.was riding a bicycle He _ _ in the lake while I was walking by the lake. was swimmingThey _ _ _when I left school.wereplayingbasketballWhile her mother _ _,she knocked at(敲門 )the door.was cooking3a:53421Try to find out the answers to the fo

21、llowing questions.1. Did Ted often see the UFO? How do you know that?2. What did Ted think of the UFO?3. Where did the alien go?4. When did the reporter of the TV station come?No, he thought that was a very unusual experience.He thought that the UFO was strange.It went to a souvenir store and the Mu

22、seum of Flight.While the alien was at the museum, Ted called the TV station.Fill in the blanks with the proper words. I had a very _ experience _ Sunday. At _ ten oclock in the morning, I was _ down the street _ a UFO landed _ in front of me. You can _ how _ it was! An alien _ _ and _ _ Center Stree

23、t. I followed it to see _ it was going, and I was very _ when it went into a souvenir shop. _ it was _ at the souvenirs, the shop _ called the police. Before the police arrived, the _ left the shop and then _ the Museum of Flight. While the alien was _ the museum, I called the TV station. Isnt that

24、_!unusualonaroundwalkingwhenrightimaginestrangegotwalkeddownwheresurprisedWhilelookingassistantalienvisitedinamazingout You Student 1 Student 29:00 am11:30am1:00 pm4:00 pm6:00 pm9:00 pmA: What were you doing at nine oclock last Sunday morning?B: I was sleeping. How about you?A: I was doing my homewo

25、rk.B: Youre kidding!What were you doing at these times last Sunday ?Fill in thetable. Then interview two classmates.The woman is climbing the tree.The man is shouting.The man is jumping down.The man is scared .scaredThe snake is scary.nddbae Johnd the womana the newspaper reporterf the police office

26、r c the cat b the man Who Listen. Check the six things you hear in the chart below.2aListen again. Who did each thing? Write the letter in the chart above.2bA: While John was walking to school B: while John was walking to school, he saw a cat in a tree. C: right ,while John was climbing the tree.climb the tree (John)take the photo (the newspaper reporter)call the police (the man)see John ( a man)call the newspaper (a woman)go up the tree (the cat) 2cTalk about the people in activity 2a.Read the article. Then write answer