文档介绍：Unit 2 Healthy Eating
Grammar---教案
Teaching Aims:
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
The usage of each pair of the modal verbs
The sameness and difference among these pairs of modal verbs
Correctly understand the change modal verbs bring to the sentences, that is, their functions.
Step 1 Revision
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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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