UNIT 3 Our Hobbies TOPIC 1 Whats your hooby Section B--used to句型.ppt

1、UNIT 3 Our Hobbies TOPIC 1 Whats your hobby? Section B -used to 句型,“used to + 動(dòng)詞原形”表示過去存在某種狀態(tài)或者過去的某種經(jīng)常性、習(xí)慣性的行為或者動(dòng)作，并意味著這種動(dòng)作目前已經(jīng)不存在。 其中的 to 是不定式符號(hào)，而不是介詞，所以其后只接動(dòng)詞原形(不能接動(dòng)名詞)。,Grammar:,I used to collect baseball cards. But now I am interested in basketball.,Sentence 1:,我過去收集棒球卡片?，F(xiàn)在我對(duì)籃球感興趣。,I used to lik

2、e dancing. But now I am interested in singing.,Sentence 2:,我過去喜歡跳舞。但現(xiàn)在我喜歡唱歌。,I used to love watching films. But now I am fond of playing soccer.,Sentence 3:,我過去喜歡看電影。但現(xiàn)在我喜歡踢足球。,used to 通常不能與表示具體次數(shù)(如 twice, three times 等)或一段時(shí)間(如 three days, five years 等)的詞或短語連用，但是它卻可以與 always, often ，never等程度副詞連用，仍然表

3、示是過去的習(xí)慣，不是指現(xiàn)在的習(xí)慣，所以不能用一般現(xiàn)在時(shí)。 例如：He always used to be late for class. 他過去常常上課遲到。,注意:,陳述句的肯定形式： 主語used to動(dòng)詞原形 I used to play with my friends after school. 過去放學(xué)后我常常和朋友們一起玩。,句型轉(zhuǎn)換:,否定形式： 主語didntuse to動(dòng)詞原形 You didnt use to like pop songs. 你過去常常不喜歡流行歌曲。,句型轉(zhuǎn)換:,一般疑問句形式： Did主語use to動(dòng)詞原形其他？ (肯定回答用Yes, sb. did；

4、否定回答用No, sb. didnt） Did your sister use to be quiet? 你的妹妹過去常常是很安靜嗎？,句型轉(zhuǎn)換:,特殊疑問句 含有used to的特殊疑問句的結(jié)構(gòu)為“疑問詞+助動(dòng)詞did+主語+use to do.?” What did you use to do? I used to collect stamps.,句型轉(zhuǎn)換:,used to可以用在there be結(jié)構(gòu)中表示“過去經(jīng)常有”的意思 There used to be a cinema here. 以前這里曾有家電影院。 There used to be a factory, but now th

5、ere is a garden. 過去那里有一座工廠,但現(xiàn)在那里是一個(gè)花園.,知識(shí)拓展 相似短語比較 be used to do 意為“被用來” The knife is used to cut fruits. 這把刀是用來切水果的。,知識(shí)拓展 相似短語比較 be/ get used to sth /doing sth 意為“習(xí)慣于” He is used to looking after himself. 他已習(xí)慣于自己照顧自己。 He got used to living in the city. 他已經(jīng)習(xí)慣住在這個(gè)城市了。,鞏固練習(xí) Practice,我過去一直住在北京。 I used

6、to live in Beijing. 他過去經(jīng)常坐公共汽車上學(xué)，但現(xiàn)在他騎自行車去學(xué)校。 He used to take a bus to go to school, but now he ride a bike. 她以前是短發(fā)，現(xiàn)在是長發(fā)。 She used to have short hair, but now she have long hair.,Mario過去總是很矮。,Mario used to be short.,Amy過去性格外向。 他過去常穿黑鞋。,Amy used to be outgoing.,He used to wear black shoes.,-你過去彈鋼琴嗎？

7、 -不，我不彈。,-Did you use to play the piano? -No, I didnt.,你過去常游泳, 是嗎 ?,You used to swim, didnt you ?,1. I used to be afraid of the snakes. (改為否定句) I to be afraid of the snakes. 2. He used to be really friendly. (改為一般疑問句) he to be really friendly? 3. Did you use to play soccer after school?(作否定回答) No, . -,didnt,use,Did,use,I,didnt,1.Plastics can_（make ）many things. (被用于） 2. I_ (drink）a cup of tea before going to bed.（習(xí)慣） 3.He_(get) up early.（