编辑:sx_fuxh
2013-05-09
【摘要】“高一英语 Unit3 Celebration导学案”本文为教师整理了高一英语教案,供大家参考,希望给大家带来帮助:
Lesson3 Grammar
Tips:All things in their being are good for something.(天生我材必有用)
Learning aim: learn the use of the modal verbs have to /not have to , can/can’t, ought to /ought not to
Learning methods: observe----learn-----summarize------use
Learning steps:
StepI: Underline all the following words in the texts and translate them.
have to , don’t have to, ought to, ought not to, can’t,can
StepII: Match the verbs to their meanings.(A级)
1 have to a) not necessary
2 don’t have to b) necessary
3 can c) not allowed/not possible
4 can’t d) allowed/ possible
5 ought to e) not advisable
6 ought not to f) advisable
StepIII:Transtrate the following sentences.(B级)
1.1)I can’t go out now, I have to look after my baby .
______________________________________
2)I must find a job,my parents can’t support me any longer.
_____________________________________________
3)— Must we hand in our exercise books today?
— Yes, you must. (No, you don’t have to/need’t.)
________________________________________________
总结:must 和have to表示___________,但must表示___________观,have to表示_________观(如例句1,2所示)
读一读,记一记:
must与have to有下列几点不同:
① must表示的是说话人的主观看法,而have to则往往强调客观需要。
The play is not interesting. I really must go now.
I had to work when I was your age.
② must与have to 的时态差别: have有时态的变化,如三单has, 过去时had ,表示 客观上的不得不,能与所有 时态一起。must为情态动词, 无时态的变化 , 表示主观上的必须, 需要。
③ 二者的否定意义不大相同。如:
You mustn't go. 你可不要去。
You don't have to go. 你不必去。
④ 询问对方的意愿时应用must。如:
Must I clean all the room?
2 1)Can you speak English?
__________________________________________________ can表示能力(如体力和脑力方面),意为“__________”等can表示能力时,还可用be able to代替。如:
I'll not be able to come this afternoon.
2)表示请求或允许,多用在口语中,意为“__________”等。
— Can/Could I go now?
— Yes, you can.(回答语中不能用could)
标签:高一英语教案
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