八年级英语上册 Unit 3 Our Hobbies Topic 1 What’s your hobby Section B used to句型课件 仁爱版.ppt

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 like 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, 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 garden. 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 Beijing. 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 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!,