新譯林版九年級(jí)上冊(cè)英語(yǔ) Unit 4 課時(shí)4 Grammar教學(xué)課件

1、Unit 4 Growing upGrammar學(xué)習(xí)目標(biāo)1. 了解并掌握時(shí)間狀語(yǔ)從句的結(jié)構(gòu)。2. 掌握并能使用引導(dǎo)時(shí)間狀語(yǔ)從句的連詞。自 學(xué) 自 檢新課導(dǎo)入1.感到筋疲力盡2.他職業(yè)生涯中的最佳時(shí)刻3.在一場(chǎng)對(duì)抗亞特蘭大鷹隊(duì)的比賽中4.當(dāng)我在站臺(tái)等待的時(shí)候，我遇見了彼得。feel tired outthe best moment in his careerin a game against the Atlanta HawksI met Peter while I was waiting at the bus stop.自 學(xué) 自 檢新課導(dǎo)入5.直到昨天晚上，這場(chǎng)雨才停。 6.無論何時(shí)我想要就能

2、看書。 7.我一離開屋子，天就開始下雨。The rain did not stop till yesterday evening.I can read books whenever I want to.It began to rain as soon as I left the house.新課導(dǎo)入RevisionChange the following into English.上初中階段，Spud 參加了學(xué)?；@球隊(duì)的選拔。 While _ junior high, Spud _ the school basketball team.2. 他接下來成了足球隊(duì)的領(lǐng)隊(duì)。 He _ leader

3、of the football team.3. Lily更加刻苦地練習(xí)并使教練改變了主意。 Lily _ and got the coach _.attendingtried out for went on to becomepractised even harderto change his mind新課導(dǎo)入4. 沒有大學(xué)愿意邀請(qǐng)他去打籃球，僅僅 因?yàn)樗纳砀摺?No university _ basketball only _ his height.5. 在他畢業(yè)以后，他被迫在另一個(gè)籃球聯(lián)盟效力。 _ he _, he _ in another basketball league.6. 通

4、過努力，他證明個(gè)頭和體型真的不重要如果你決不放棄， 幾乎沒有什么不能做到的。 _ hard work, he _ that _ really do not _, you can do almost anything if you never _.would invite him to playbecause ofAfter graduated was forced toplay Through provedsize and body typematter give up新課講解A Using before, after, when and while Before means earlier

5、than a certain time.e.g. He remained there for about a year before the NBA took notice of him.After means later than a certain time.e.g. After he graduated, he was forced to play in another basketball league. Grammar新課講解When means at or during a certain time.e.g. When he finally got the chance, he s

6、cored 20 points in his first game.While means during a certain time.e.g. While (he was) attending junior high, Spud tried out for the school team. 新課講解One of Davids daysDavid is writing in his diary about one of his days. Help him combine his sentences using before, after, when or while. I go joggin

7、g every morning. Then I have breakfast. _ I go jogging every morning before I have breakfast.新課講解2. I practised playing basketball for hours. I felt tired out. _ _3. I met Peter. I was waiting at the bus stop. _After I practised playing basketball for hours, I felt tired out.I met Peter while I was

8、waiting at the bus stop.新課講解4. I was watching TV. I received a call from my uncle. _ _ _ _5. I was ready to go to bed. My father came back from work. _ _While I was watching TV, I received a call from my uncle.I was ready to go to bed when my father came back from work.I was watching TV when I recei

9、ved a call from my uncle.新課講解e.g. Youve been happy since I first met you.B Using since, till and untilSince means from a certain time. The verb in the main clause is often used in the present perfect tense.Till and until mean up to a certain time. Until can be placed at the beginning or in the middl

10、e of the sentence, but till is usually used in the middle of the sentence.新課講解e.g. Spud remained in another basketball league for about a year till/ until the NBA took notice of him. Until his dream came true, Spud never gave up.When we use the structure notuntil, we cannot use till instead of until

11、. e.g. Dont wake me up until you finish your work.新課講解David loves basketballHere are more sentences from Davids diary entry. Complete his sentences with since, till or until. I have been crazy about playing basketball _ I was a little boy.2. The weather has been awful this week. The rain did not sto

12、p _ yesterday evening, so we could not practise basketball for several days.sinceuntil新課講解3. We played basketball in the playground this afternoon _ it was getting dark.4. It is the first time we have played basketball _ Monday. We enjoyed ourselves very much. until/ tillsince新課講解5. I waited for 20

13、minutes at the bus stop _ the bus arrived.6. It is Friday evening. I will not go to bed _ I finish watching my favourite TV programme.until/ tilluntil新課講解e.g. It began to rain as soon as I left the house.C Using as soon as and wheneverAs soon as means when something happens, or a short time after so

14、mething has happened. Whenever means at any time.e.g. I can read books whenever I want to.新課講解More about basketballSimon is writing about Davids love for basketball. Help Simon complete his sentences with as soon as or whenever. David often goes to play basketball _ school is over.2. He watches the

15、NBA _ there is a game on TV.as soon aswhenever新課講解3. _ he talks about basketball, he gets excited. 4. _ he learnt that the NBA players would come to China, he tried his best to get a ticket.WheneverAs soon as 課堂小結(jié)一、before, after, when, while, till, until, as soon as, whenever引導(dǎo)的時(shí)間狀語(yǔ)從句中，如果主從句都是將來發(fā)生的動(dòng)

16、作，主句用一般將來時(shí)，從句用一般現(xiàn)在時(shí)。e.g. She wont go home until she finishes her work. 語(yǔ)法小結(jié)語(yǔ)法小結(jié)二、since（自從）常與現(xiàn)在完成時(shí) 連用。e.g. John has worked in this factory since 1998. 三、while（當(dāng)時(shí)）引導(dǎo)的時(shí)間狀語(yǔ) 從句通常要用進(jìn)行時(shí)。 e.g. Someone knocked on the door while I was watching TV.語(yǔ)法小結(jié)四、before, after, since, till, until還可作 介詞，后接時(shí)間名詞。e.g. befor

17、e 9 a.m. till/until today since 2009 after lunch 五、當(dāng)主句和從句的主語(yǔ)是同一個(gè)人時(shí) 還可用：before/ after/ when/ while doing sth.e.g. Youd better not listen to music while doing your homework.語(yǔ)法小結(jié)六、as soon as 引導(dǎo)時(shí)間狀語(yǔ)，表示 “一就”e.g. It began to rain as soon as I left there.注意：hardly (scarcely, rarely)when / before, no sooner

18、than相當(dāng)于as soon as之意。主句用過去完成時(shí)，從句用一般過去時(shí)。當(dāng)hardly, scarcely, rarely和no sooner位于句首時(shí)，主句應(yīng)用倒裝語(yǔ)序。語(yǔ)法小結(jié)e.g. He had no sooner arrived home than he was asked to start on another journey. 他剛到家，就被邀請(qǐng)開始另一旅程。七、till和until通常可以互換，但當(dāng)“直 到”這詞用于句首或與not連用時(shí)只 能用until。e.g. They didnt come back until it was dark. 當(dāng)堂小練 Yao Ming w

19、as born in Shanghai in 1980. He got his first basketball (1)_ he was only four years old, but he did not become serious about basketball (2) _ he was 12. whenuntilExercisesDavid is writing about Yao Ming, his favourite basketball star. Help him complete his article with the correct conjunctions you

20、have learnt in this unit.當(dāng)堂小練Yao joined the Houston Rockets in 2002 and became the best Chinese player to have ever played in the NBA. (3) _ he went to the USA, he knew little English, but he quickly learnt the language. The best moment in his career was in 2004he scored 41 points in a game against

21、the Atlanta Hawks.Before/When當(dāng)堂小練 When Yao Ming was living in the USA, he returned to China (4)_ he was needed. He took part in the Olympics in 2004 and in 2008 as one of the Chinese athletes. (5) _ he ended his basketball career, Yao has done a lot of charity work, especially for poor Chinese teenagers.wheneverSince/After當(dāng)堂小練 It was quiet _ those big trucks started coming through the town. A. before B. after C. until D. unless 2. It seemed only seconds _ the boy finished washing his face. A. when B. before C. after D. even if Choose the best answer.當(dāng)堂小練3. I