Unit 4 I used to be afraid of the dark.Section A 1a-1c【学习目标】1 熟练运用used to do sth谈论自己、他人过去的习惯、爱好、 形象及经常做的事情。 2 能够听懂有关学习方法的简短对话。 3能运用used to 来谈论过去。【学习重点难点】1熟记重点单词短语。 2 正确使用used to 【学法指导】谈论自己和同学的变化-听读感受别人的变化-巩固练习【教学过程】导入（启发探究 3分钟） 一、 used to的用法 “used to动词原形”表示过去常常干某事，现在不在干了。只有一种形式，即过去式。例如：I used to go to work by bus. Now I take a taxi. So the sentence “I used to be afraid of the dark.” means in Chinese:我过去常害怕黑 “used to”的疑问形式和否定形式：Did you use to be afraid of the dark?Yes, I used to be afraid of the dark.Did he use to be afraid of the dark?No, he did not use to be afraid of the dark.There used to be a church here ,didn t there ? 二、Mario, you used to be short, didnt you? 马里奥，你以前个子很矮是吗？【解读1】这是一个反意疑问句。反意疑问句是表示说话人对所陈述的事情有所怀疑或不肯定，需要询问对方的看法。反意疑问句由“陈述句 + 附加疑问句”构成，若陈述句为肯定形式，则附加疑问句要用否定形式；若陈述句为否定形式，则附加疑问句要用肯定形式，即“前肯后否；前否后肯”。同时，前后两部分的人称、数、时态等都要保持一致。附加疑问句一般由“助动词、be动词或情态动词的肯定形式或否定形式 + 人称代词”构成，且否定形式常用缩写形式。 注意：当陈述句中含有no, never, seldom, hardly, little, few, nothing, nobody等表示否定意义的词时，附加疑问句要用肯定形式。当陈述句中含有unhappy, dislike, unfriendly等带否定前缀的派生词时，当作肯定句处理，附加疑问句要用否定形式。【举例】(1) You saw him yesterday, didnt you? 你昨天看见过他，是吗？ (2) This is a beautiful picture, isnt it? 这是一幅美丽的图画，是吗?(3) Lucy cant play the piano, can she? 露西不会弹钢琴，是吗？(4) There is little food at home, is there? 在家里几乎没有食物，是吧？ (5) He looks unhappy, doesnt he? 他看上去不高兴，是吧? a.跟踪练习 (1) He_ _ _ after school. 放学后他过去常常踢足球。(2) He _ _ _ _. 他过去不吸烟。(3)He used to play football. (改为一般疑问句，再回答)_b.You used to be short, didnt you? 复习反意疑问句，完成练习：（1）Lily will go to China, _ _? （2）She doesnt come from China, _ _?(3) You havent finished homework, _ _ ？(4) He knows little English, _ _?三、交流 注意谈论外貌和性格的不同句型Whats he she like ? What does he she look like?四、习题巩固1. Mother _us stories when we were young. A. used to telling B. is used to tell C. used to tell D. is used to telling2.我习惯走路上学。 I _ _ _ _ to school.3. He used to smoke, _ _?(完成反义疑问句)4.李先生过去住在美国，所以习惯吃西餐。Mr Li _ _ _ in America, so he _ _ _ _ western dishes.5. _ used to_ an old bookshelf in my room. A. There; be B. There; have C. It; be D. There; having6. 小刀是用来切东西的。 Knives _ _ _ _things.= Knives _ _ _ _things.7.Her son _ Coke, but now he _ milk. Aused to drink; is used to drinking Bused to drinking; drinks Cis used to drinking; used to drink Dis used to drink; is drinking8.My uncle_ a businessman, but now he is a factory worker. Aused to being Bwas used to beCuse to be Dused to be9.Betty _ many friends to play with. Aused to have Buse to have Cused to having Duse to having 10.Mary used to _ to work, but she is used to _ to work now. Ariding a bike; taking a bus Briding a bike; take a bus Cride a bike; taking a bus Dride a bike; take a bus