三年级unit2情态动词.docx

情态动词适用学科英语适用年级六年级适用区域河北省石家庄市冀教版课时时长（分钟）40知识点情态动词教学目标1.要求学生掌握使用情态动词，学会情态动词在实际生活中的运用，会用，用正确。2.设法使学生掌握使用英语进行造句，及做相应的练习，增强上课的积极性。3.让学生爱上英语课堂,鼓励他们学习英语的自信心。教学重点学会运用情态动词can和may教学难点情态动词的在实际生活中的用法教学过程一、复习预习1.Would You Like Some Soup ? -Yes， A. please B. thanks C. good【答案】A【解析】Would you like some ? 答语为Yes, please./ No, thanks.2-Do you like fruit？ -No ,I . A. dont B. do C. doesnt【答案】A【解析】用do you提问，要用do回答。肯定回答是Yes，I do。否定回答是No，I dont3-Do you like vegetable？-,I do . A. Yes B. No C. Not【答案】A【解析】用Do提问，要用do回答。肯定回答是Yes，I do。否定回答是No，I dont二、知识讲解考点情态动词有一定的词义，但词义不完全，须同动词原形连用；情态动词没有人称和数的变化；疑问句直接把情态动词提前，否定句在情态动词后面加not。can 的用法一、表能力，有“能，会，能够”的意思。例如：-Can you drive a car? 你会开车吗？-Yes, I can. 我会。/ No, I cant. 我不会。may 的用法一、表示许可或征求对方的许可，有“可以”的意思。例如：You may go now. 你可以走了。May I use your computer? 我用一下你的电脑可以吗？二、回答以 may 开头的疑问句有如下表达法：-May I come in? 我可以在这儿抽烟吗？-Yes, you may. / Yes, please. 请抽吧。-No, you cant. 三、例题精析【例题1】【题干】May I come in?Yes, you .A. may B. can C. cant【答案】A【解析】回答以 may 开头的疑问句的表达法有Yes, you may. / Yes, please.或者No, you cant. 【例题2】【题干】Can you swim?No, I .A. can B. cant C. may【答案】B【解析】回答以can 开头的疑问句的表达法有Yes, I can.或者No, I cant.【例题3】【题干】Kim swim. She swims fast. A. can B. may C. cant【答案】A【解析】根据她游得很快，还可以知道她会游泳。四、课堂运用【基础】改为否定句1. Lucy can ride a horse.2. He can speak English.3. You may have it.【答案】Lucy can not ride a horse.He can not speak English.You may not have it.【解析】带有情态动词的句子变为否定句直接在情态动词后加not【巩固】按要求填空1.Tom can _(读),but he cant _(写) English. 2. It is so hot. They can _ (游泳) in the river. 3. The sun is shining. We can _ (看见) the sun in the sky. 4.Li Ming can _ (骑) a bike. 5. He can _ (听) to the radio now. 【答案】read write swim see ride listen【解析】读read 写write 游泳swim 看见see 骑ride 听listen【拔高】改写句子1、I can feed the monkey.（变疑问句）_ 2 I can take a photo.（变疑问句）_ 3、Can you go to the bathroom？（变陈述句）_ 【答案】I can not feed the monkey. I can not take a photo. I can go to the bathroom.【解析】带有情态动词的肯定句变否定句，直接在情态动词后加not。带有情态动