1、1 12.used to do.第1頁/共31頁I began to learn English I began to learn English w whenhen I I was was 4. 4. 何時(shí)當(dāng)時(shí)adverbial clauses of time時(shí)間狀語從句main clause主句WhenWhen did you begin to learn English?did you begin to learn English? 第2頁/共31頁2 2Match the clauses in column A with those in column B to make comple

2、te sentences with when. When she visits her friends, she always brings a present.When he watches TV, he sits on the floor.When he was ill, he stayed in bed.When she goes shopping, she takes a basket.第3頁/共31頁When I saw him, he was very sad.He was very sad when I saw him.Do the sentences have differen

3、t meanings? What is the difference between the two sentences? What change has been made in punctuation(標(biāo)點(diǎn)符號(hào))?第4頁/共31頁when引導(dǎo)的時(shí)間狀語從句的時(shí)態(tài) 觀察： When I was ten, I began to learn English. When she called me, I was watching TV. When she comes here, Ill tell you. Ill show him around Guangzhou when he comes. 總

4、結(jié)： 當(dāng)主句動(dòng)作發(fā)生在過去，從句用_時(shí)態(tài)。 當(dāng)主句表示將來的動(dòng)作時(shí)，從句遵循_原則。一般過去時(shí)主將從現(xiàn)第5頁/共31頁 1. I _(begin) to learn English when I was five years old. 2. It was alreadly eight oclock when we _(arrive) there. 3. They are going to leave when the train _(stop). 4. As soon as I get to the airport, I _ (phone) you to pick me up.Some exe

5、rcisesbeganarrivedstopswill phone第6頁/共31頁What will you do?1.When your friend is sad, what will you do? When my friend is sad, I will.2. When you were young, what did you like to do?When I was young, I liked .第7頁/共31頁 when 可以用來表示主從句的動(dòng)作同時(shí)發(fā)生。 那么before,after,as soon as,while, until呢？ Before you have lun

6、ch, you had better wash your hands. After you wash your hands, you can have dinner. As soon as I lie down on the bed, I fall asleep. My father is watching TV while my mother is cooking. She didnt go to bed until her mother told a story. She did her homework until 10 p.m. last night.第8頁/共31頁 1. _I gr

7、ow up, I want to be a teacher. A. So B. Because C. If D. When 2. Mary got to the station _it was 9 oclock. A. because B. when C. until D. but 3. _my father was reading the newpaper, I was watching TV. A. Before B. After C. While D. Because 4. It will be a long time _we meet again.A. A. before B. if

8、C. so D. because 5. I wont go to bed_I finish all my work. A. before B. after C. when D. until第9頁/共31頁第10頁/共31頁 He used to have long hair. But now he has short hair. She used to be thin. But now she is fat. 總結(jié)： (1)肯定句結(jié)構(gòu)：_.used to do.第11頁/共31頁Make sentencesnow They used to fly kites in springBut now

9、they often go hiking in spring.beforein spring第12頁/共31頁 They used to go swimming in summer.But now they often go boating in summer.now beforein summer第13頁/共31頁 They used to go climbing in fall.But now they often go cycling in fall.now beforein fall第14頁/共31頁 They used to go sking in winter.But now th

10、ey often make snowman in winter.now beforein winter第15頁/共31頁before nowShe didnt use to have short hair.Now she has short beautiful hair.He didnt use to have white hair.Now he has white hair.before now總結(jié)：否定句結(jié)構(gòu)_didnt use to do.第16頁/共31頁Have a try 我以前不經(jīng)常坐公交車去學(xué)校。 I didnt use to take a bus to school. 她以前

11、經(jīng)常不吃早飯。 She didnt use to have breakfast. 這里以前沒有那么多工廠。 There didnt use to be so many factories here.第17頁/共31頁Did he use to drive a car to school?No, he didnt.Did he use to like playing the guitar?Yes, he did.總結(jié)：一般疑問句結(jié)構(gòu)及其回答_Did .use to do.? Yes, .did. /No, . didnt.第18頁/共31頁What did she use to like doi

12、ng when she was young?-Did she use to.?-Yes, she did. No, she didnt.第19頁/共31頁What did she use to like doing in the morning?-Did she use to.?-Yes, she did. No, she didnt.第20頁/共31頁used to do 我過去經(jīng)常走路回家，但是現(xiàn)在是坐校車回家。 I used to go home on foot, but now I go home by school bus. 否定句：I didnt use to go home on

13、 foot. 一般疑問句：Did you use to go home on foot? 肯定回答：Yes, I did. 否定回答：No, I didnt. 對(duì)劃線部分提問：How did you use to go home?第21頁/共31頁第22頁/共31頁Mike used to go to bed at 9 p.m.Now he goes to bed at 10 p.m.Mike didnt use to enjoy swimming.Now he goes swimming every week.第23頁/共31頁Mike used to be shy. Now he enjo

14、ys talking to people.第24頁/共31頁Talk about your changes We have been studying here for almost a year. Some students are taller. Some are more hard-working. Do you have any changes(變化)?I used to., but now I .第25頁/共31頁Talk about your hobbies in groups with the following expressions.I used to like/love /

15、enjoy but now Ihate it.dont like/enjoy/love it.I am fond of / interested in keep pets listen to music watch TV play computer games go shopping play soccer第26頁/共31頁Example :I used to enjoy pop music, but now I dont like it. I love playing sports.I didnt use to go shopping, but now I like it.第27頁/共31頁Make a survey about hobbies in groups.Complete the table and then report it to the class.Name HobbyIn the pastNow第28頁/共31頁Xiao Wei likes But he used to one