高一英语课件:下学期unit15 Grammar_图文

1.

d i a m o n d n 2. j e w e e l 3. c o c 4. k l u c k y 5. e x p ll a 6. b a a l 7. r e c o c 8. p r e c e

l e r y n t i n u e

i n l g n i z e i o u s

One day ,Pierre Loisel and his wife received an invitation to a ball at the palace. So Mathilde called on __________her friend and borrowed a necklace. But unluckily, after the ball, she found the necklace any more wasn’t around her neck____________. So she borrowed some money to buy a necklace to return it pay back to her friend. In order to _________the money, she day and night had to work _______________for ten years. And finally she _________the debt, but was told that the paid off necklace she borrowed was not precious________. at all It was worth five hundred francs___________. at most

情态动词: 猜测用法
positive sentences negative sentences very sure possible /not very sure

must be/ do can/ could/ might/ may

can’t be/ do

may/ might not

1.He must be out. or (He can’t be at home.) 2. They must earn a lot of money. 3. They must be very poor. or (They can’t be rich.) 4. He must be terribly busy. 5. It must be very interesting.

When you make a guess at what happened or what has happened
positive sentences negative sentences very sure

must have done can’t have done

possible/ not very may/ might/could sure have done

may/ might not have done

I think the tiger must be in the box on the __________ because ______________ I think the tiger can’t be in the box on the __________ because ______________
I think the princess may want to help the young man marry that beautiful young woman because __________________ I think the princess may not want to see the young man go into the box with the young woman in it because ___________

A woman has been found dead in her room. She hangs from a bean(横梁), which is 2.5 meters above the floor. The room is empty except for some water on the floor. Did she hang herself or is it a murder?
others She could have been killed by ________, no other fingerprints but/because ______________ or

footprints were found.

So my conclusion is that she must have killed herself, because…

Who ate my cake? Mrs. Smith had two children, Tom, a tall boy and Mary a short girl, and a lovely cat. One day, Mrs. Smith found some cakes in the kitchen eaten. She wondered who ate the cake. The next day, she put the cakes on a high shelf. But they were still eaten!


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