【unit2healthyeating】Unit2HealthyEating

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unit 2 healthy eating
grammar---教案
teaching aims:
1. knowledge aims
students shall be able to learn the basic usage of the following modal verbs: can/could; may/might; must/have to; shall/should; will/would
important points
1. the usage of each pair of the modal verbs
2. the sameness and difference among these pairs of modal verbs
3. correctly understand the change modal verbs bring to the sentences, that is, their functions.
step 1 revision
1.lead in
t: first wealth is health. what should/shouldn’t we do to keep healthy? what kind of food must we eat to be strong? what ought we to eat to stay slim?
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2.give some more situations to revise the usage of the modal verbs.
a. my mother cooked a lot of food for me. she has been cooking all the morning.- she must be tired now.
b. i have just eaten a lot of food.- you can’t be hungry now.
c. my house is near the railway. it must be noisy there.
d. she called me yesterday evening but i didn’t hear. i must have been asleep.
e. the old restaurant must be very good. it’s always full of people.
f. the new restaurant can’t be very good. it’s always empty.
g. where is bob? perhaps he is in the office. he may be in his office.
h. where is jane? perhaps she is reading the newspaper. she may be reading the newspaper.
i. perhaps she was ill yesterday. she might be ill yesterday.
j. perhaps she went fishing yesterday. she might go fishing yesterday.
k. in china many children have to wear uniform when they go to school.
l. don’t tell anybody what i said. you must keep it a secret.
m. the floor is clean. you needn’t sweep it.
n. i promised i would be on time. i mustn’t be late.
o. last night paul became ill suddenly. we had to call the doctor.
p. it’s sunny today. you needn’t take the umbrella.
q. we can’t repair the car ourselves. we have to take it to a garage.
r. i can manage the shopping alone. you needn’t come with me.
s. that is an important book.. you must look after it carefully.
t. you look tired. you should go to bed now.
u. you shouldn’t believe everything you read on the internet.
v. excuse me, could you tell me the way to the railway station, please?
w. you are carrying a lot of things. you can’t open the door yourself. there is a man standing near the door. you say to him: could you open the door, please?
x. would you like a cup of coffee?
3. get the students to list the modal verbs that they have learned.
can/could    may/ might  will/ would  had better  shall/ should  must  have to12
 need  ought to  dare
4.. explain the modal verbs in the following sentences.
1).he can speak english well.
2).you can go home now.
3)that can’t be true.
4).could you please show me the way to beihai park?
5).they hunters are lost. they could starve.
6).may i come in?
7).he may give you some help?
8).don’t worry. i will help you.
9).often he would dress up like a rich man.
10).would you like to join us for dinner?
11).you shall have the ticket as soon as i get it.
12).you should arrive at the airport two hours before he goes.
13).it is five o’clock. he should turn up soon.
14).wang feng wins an award every year. he must be strong
step 2 discovering useful structures
please pick out all the sentences containing modal verbs from the reading passage and list them. match the function words in the box with each of the sentences. then make three new sentences.
a. intention   b. duty        c. promise       d. possibility     e. guessing
1. by lunchtime they would all be sold.
2. his restaurant ought to be full of people.
3. what could have happened?
4. nothing could have been better?
5. something terrible must have happened.
6. i will take all that fat off you in two weeks.
7. he could not believe his eyes.
8. he wondered if he should go to the library to find out.
9. he couldn’t have yong hui getting away with telling people lies.
10. he had better do some research.
11. after eating in the restaurant people would become fired very quickly.
step 3 exercises
finish ex.2-3 on p13
step 4 using structures
ask your classmate questions using the phrases in the table (on p50). then complete the following table according to the example.
example:
you: miki, do you often go to fast food restaurants?
miki: no, i don’t.
you write “no” in the table and then give your own opinion or suggestions, like “i think he is right. we shouldn’t eat too much fast food, otherwise it will cause health problems.” using must(n’t), should(n’t), ought (not) to and (don’t) have to in your suggestions and opinions。
step 5 practice
on ppt
homework
finish the grammar part in “ chang gui ” 
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