Unit 2 Healthy eating
GrammarⅠ
1.教材分析（Analysis of teaching material）
This teaching period mainly deals with the grammar:learn the use of ought to and review the use of may ,might ,will,would,can ,could,shall,should and must.Ss often feel modal verbs abstract and difficult,so it is necessary to make the lesson interesting and connect it with their daily life in order to let it easy to accept and understand.The teacher can ask the Ss to do the exercises,then summarize the use of modal verbs and let Ss make it clear how each modal verb is being used in the situation.
2.学情分析（Analysis of the students）
Ss will most probably be confused when learning this grammar. Because they even cannot get clear the first kind of Modal verbs. But they must learn it well.
3.教学目标(Teaching aims)
知识目标(Knowledge aims)
Get Ss to know more about modal verbs.
Let Ss learn the use of ought to .
能力目标(Ability aims)
Enable the Ss to use Modal verbs correctly and properly according to the text .
情感目标（Emotional aims
Get the Ss to become interested in grammar learning
Develop the Ss spirits of cooperation and teamworks
4.教学重点和难点（Teaching important points and difficult points）
Teaching important points:
Review and consolidate the use of modal verbs.
Teaching difficult points:
How to use these verbs correctly.
5.教学过程(Teaching procedures)
Step 1 Revision
Check the homework
Make a dictation
Step 2 lead-in
Let the Ss work in pairs.one ask a question and the other answers it. Remind them to use modal verbs in their answer.
T:what should we do after school?
S1:I have to go home at once .I need to take a bus ,I ought to do mt homework as soon as I get home.
T:Do you know what you have to do when you borrow books from library?
Do you know what to do when your teeth ache?
Do you know what to do if you need to meet someone you don't knw at the airport?
Do you know what to do if you want to get a discount in a shpo?
Do you know what to do if you meet the hostess in your friend's home ?
Step 3 Grammar learn
1.情态动词表示对过去事情的推测与过去事实相反的叙述时的形式的变化
形式
意义
Must have done
肯定已经干了某事
May/might have done
可能已经干了某事
Can't/couldn't have done
不可能已经干了某事
Should have done /
ought to have done
应该做某事而未做
Shouldn't have done /
Oughtn't to have done
不应该做某事却做了
Needn't have done
不需要做某事却做了
Could have done
本能做某事而未作
Eg:
You ought to have seen that movie. 你早就应该去看那不电影去了。
I oughtn't to have been there with her.我本不应该跟她去那儿。
You needn't have waited for me.你本来没有必要等我。
used to用法
表示过去习惯的动作和状态，现在已经不存在了，在间接引语种形式不发生变化。He told us he used to be a football player when he was young.
在疑问句，否定句，否定疑问句和强调句中，都有两种形式如sb used to /sb uesdn't to也可以用助动词did sb use...?/sb didn't use to ...
C.used to 的反意疑问句或简略回答，也有两种形式。
She used to be very thin,didn't she ?/usedn't she ?
Step 4Grammar practice
1.意思的转换，要就使用情态动词
1)He has the ability to speak English well.
→He can speak English well.
2) You are allowed to go home now.
→You can go home now.
3) It is impossible to be true.
→That can’t be true.
4) Can you show me the way to Beihai Park? Say it more politely.
→Could you please show me the way to Beihai Park?
5) Their hunters are lost. Maybe they starve.
→They hunters are lost. They could starve.
6) Am I allowed to come in?
→May I come in?
7) Is it possible for him to give you some help?
→He may give you some help?
8）Don’t worry. I’d like to help you.
→Don’t worry. I will help you.
9) Often he used to dress up like a rich man.
→Often he would dress up like a rich man.
10) Do you want to join us for dinner?
→Would you like to join us for dinner?
11) I promise that you will have the ticket as soon as I get it.
→You shall have the ticket as soon as I get it.
12）You have the duty to arrive at the airport two hours before he goes.
→You should arrive at the airport two hours before he goes.
13) It is five o’clock. He is expected to turn up soon.
→It is five o’clock. He should turn up soon.
14）Wang Feng wins an award every year. He is sure to be strong.
→Wang Feng wins an award every year. He must be strong.
6.板书设计（Blackboard Design）
.情态动词表示对过去事情的推测与过去事实相反的叙述时的形式的变化
形式
意义
Must have done
肯定已经干了某事
May/might have done
可能已经干了某事
Can't/couldn't have done
不可能已经干了某事
Should have done /
ought to have done
应该做某事而未做
Shouldn't have done /
Oughtn't to have done
不应该做某事却做了
Needn't have done
不需要做某事却做了
Could have done
本能做某事而未作
used to用法
表示过去习惯的动作和状态，现在已经不存在了，在间接引语种形式不发生变化。
在疑问句，否定句，否定疑问句和强调句中，都有两种形式如sb used to /sb uesdn't to也可以用助动词did sb use...?/sb didn't use to ...
7.问题研讨(Problem study):
课堂提问
1.意思的转换，要就使用情态动词
1)He has the ability to speak English well.
2) You are allowed to go home now.
3) It is impossible to be true.
4) Can you show me the way to Beihai Park? Say it more politely.
5) Their hunters are lost. Maybe they starve.
6) Am I allowed to come in?
7) Is it possible for him to give you some help?
8）Don’t worry. I’d like to help you.
9) Often he used to dress up like a rich man.
10) Do you want to join us for dinner?
11) I promise that you will have the ticket as soon as I get it.
12）You have the duty to arrive at the airport two hours before he goes.
13) It is five o’clock. He is expected to turn up soon.
14）Wang Feng wins an award every year. He is sure to be strong.
作业
A类作业
1.I thought you（ ） like something to read,
so I have brought you some books. A may B. might C. can D. must
2.You（ ） to the meeting this afternoon if
you have something important to do. A. needn‘t to comeB. don’t need come C. don't need coming D. needn't come 3.He（ ）you more help, even though he was very busy.
might have given B. might give C. can have given D.may give 4.-（ ）I help you with some shoes,madam? -Yes, I would like to try on those brown ones. A. Will B. Should C. May D. Must
5.The reason why they（ ）leave wasn’t explained to us.
A.had B. had to C. must D. might
6.I searched for my wallet and it wasn’t there. I thought I（ ）it at home.
A.left B. have left C.might have left D. can have left
7.I （ ）asleep because it took me a long time to realize that the telephone was ringing.
A could have fallen B. should have fallen C. must have fallen
D.mustn't have fallen
8.The only thing that really matters to the children is how soon they（ ）return to their school. A.can B.must C. have to D.ought to
9.I want to go to the chemist's, but you（ ）go with me. A.need not B.must not C.need D.must
10.What we get seems better than what we have. A.can B.could C.can't D.couldn't
B类作业
11.-My goodness! I've just missed the train. -That's too bad. I am sure you（ ）it, if you had hurried.
A.could have caught B. had caught C. would catch D.could catch
12.Look! What you've done! You（ ）more careful.
A.may be B. had to C. should have been D. would be
13（ ）I repeat the question?
A.Shall B.Will C.Do you want that D. Do
14.Professor Li,many students want to see you. （ ）they wait here or outside!
A.Do B.Will C.Shall D.Are
15.You（ ）read that book if you don‘t want to.
A.haven't B.can't C.mustn't D.needn't
C类作业
16.Johnny,you play with the knife;you（ )hurt yourself.
A.won‘t; can’t B.can‘t; shouldn’t C.shouldn't; must D.mustn't;may
17.It‘s nearly seven o’clock.Jack（ )be here
at any moment. A.must B.need C.can D.should
18.─There were already 5 people in the car,
but they managed to take me as well.
─It（ )a comfortable journey. A.can‘t be B.shouldn't be C.couldn't have been D.mustn't have been
19.Tom ought not to（ )me your secret, but he meant no harm. A.have told B.tell C.be telling D.having told
20.Everyone is here.（ )we start the meeting? A.Can B.Must C.Should D.Shall
答案：1--5 BDACB
6--10 ACAAC
11-15 ACDCC
16-20 BCCAC
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