1、UNIT 3 Our Hobbies TOPIC 1 Whats your hobby? Section B -used to 句型,“used to + 动词原形”表示过去存在某种状态或者过去的某种经常性、习惯性的行为或者动作，并意味着这种动作目前已经不存在。 其中的 to 是不定式符号，而不是介词，所以其后只接动词原形(不能接动名词)。,Grammar:,I used to collect baseball cards. But now I am interested in basketball.,Sentence 1:,我过去收集棒球卡片。现在我对篮球感兴趣。,I used to lik
2、e dancing. But now I am interested in singing.,Sentence 2:,我过去喜欢跳舞。但现在我喜欢唱歌。,I used to love watching films. But now I am fond of playing soccer.,Sentence 3:,我过去喜欢看电影。但现在我喜欢踢足球。,used to 通常不能与表示具体次数(如 twice, three times 等)或一段时间(如 three days, five years 等)的词或短语连用，但是它却可以与 always, often ，never等程度副词连用，仍然表
3、示是过去的习惯，不是指现在的习惯，所以不能用一般现在时。 例如：He always used to be late for class.他过去常常上课迟到。,注意:,陈述句的肯定形式：主语used to动词原形I used to play with my friends after school. 过去放学后我常常和朋友们一起玩。,句型转换:,否定形式：主语didntuse to动词原形You didnt use to like pop songs.你过去常常不喜欢流行歌曲。,句型转换:,一般疑问句形式：Did主语use to动词原形其他？ (肯定回答用Yes, sb. did；否定回答用No
4、, sb. didnt） Did your sister use to be quiet? 你的妹妹过去常常是很安静吗？,句型转换:,特殊疑问句含有used to的特殊疑问句的结构为“疑问词+助动词did+主语+use to do.?”What did you use to do? I used to collect stamps.,句型转换:,used to可以用在there be结构中表示“过去经常有”的意思 There used to be a cinema here.以前这里曾有家电影院。There used to be a factory, but now there is a ga
5、rden. 过去那里有一座工厂,但现在那里是一个花园.,知识拓展 相似短语比较 be used to do 意为“被用来”The knife is used to cut fruits.这把刀是用来切水果的。,知识拓展 相似短语比较 be/ get used to sth /doing sth意为“习惯于” He is used to looking after himself. 他已习惯于自己照顾自己。He got used to living in the city. 他已经习惯住在这个城市了。,巩固练习 Practice,我过去一直住在北京。I used to live in Beiji
6、ng. 他过去经常坐公共汽车上学，但现在他骑自行车去学校。He used to take a bus to go to school, but now he ride a bike. 她以前是短发，现在是长发。She used to have short hair, but now she have long hair.,Mario过去总是很矮。,Mario used to be short.,Amy过去性格外向。 他过去常穿黑鞋。,Amy used to be outgoing.,He used to wear black shoes.,-你过去弹钢琴吗？ -不，我不弹。,-Did you
7、use to play the piano? -No, I didnt.,你过去常游泳, 是吗 ?,You used to swim, didnt you ?,1. I used to be afraid of the snakes. (改为否定句)I to be afraid of the snakes.2. He used to be really friendly. (改为一般疑问句)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.（习惯） 3.He_(get) up early.（过去常常） 4. There_(be)a lake near the house.(过去常常）,be used to make,am used to drinking,used to get,used to be,Thank you!,
