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Unit 2 Healthy Eating

发布时间:2019-09-10
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 to

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