小学五年级英语语法详解与练习-(全)免费下载
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情态动词
一、can, (could 过去式）
1) 表示能力（体力、知识、技能）。
Can you lift this heavy box?（体力）
Mary can speak three languages.（知识）
Can you skate?（技能）
Can只有一般现在时和一般过去式；
2) 表示请求和允许。
-----Can I go now?
----- Yes, you can. / No, you can’t.
3) 表示客观可能性（客观原因形成的能力）。
They’ve changed the timetable, so we can go by bus instead.
This hall can hold 500 people at least.
4) 表示推测（惊讶、怀疑、不相信的态度），用于疑问句、否定句和感叹句中。
Can this be true?
This can’t be done by him.
How can this be true?
二．should,
1) should,表示应该劝告、建议和命令。
1. I should help her because she is in trouble.
1. You should go to class right away.
2. Should I open the window?
3) 表示推测
Should（客观推测）, must (主观推测)。
1. He must be home by now. (断定他已到家)
2. He should be home by now.(不太肯定)
(一) 用适当的情态动词填空。
1. Must I stand up? No, you ________.
2. ________ I speak something? Yes, you ________.
3. ________ I leave the park now? No, you _________ stay here.
4.My grandmother is ill. I _________ stay at home and look after her.
5.________ you like some juice?
6. They ________ take more exercise.
7. ________ you tell me the way to the museum?
8. The watch ________ tell us the right time.
9. ________ you like to go boating with us?
10. ________ we play chess next weekend?
(二)按要求改写句子。
1. She can walk quickly.
I ________ ________quickly . (否定句)
2.You have to finish the work now.（一般疑问句）
________ I the work now? No, you ________.
3.They can paint the wall well.（一般疑问句）
_______ they ______ the wall well?
4.Tom must carry the box into the room.（否定句）
Tom ________ ________ carry the box into the room.
5. She should reach the station early.(否定句)
Sh e _______ _______ reach the station early.
(三) 单项选择。
（）1.you like some bread ? A . Would B. Could C . Can （）2. We throw the waste in the zoo.A.can’t B. don't C.mustn’t
( ) 3.W e should more flower s, and we shouldn’t cut any flowers.
A. plant
B. planting
C. plants
( ) 4.May I have some water?
A.Yes,you have.
B.Yes,you can.
C.Yes,certainly. ( ) 5.Shall we work on the farm ?
A.Yes,we do.
B.Yes, we shall. B.All right.
( ) 6.Would you have something to announce?
A.Yes,we would.
B.Yes, I’d like .
C.Yes, of course.
( ) 7.Can I help you?
A.Yes,you can.
B.No,I can do it.
C.Yes.I’d like some oranges.
人称代词和物主代词要点归纳：
人称代词
I like you. 我喜欢你。
You like me. 你喜欢我。
He likes her. 他喜欢她。
She likes him. 她喜欢他。
We like you. 我们喜欢你们。
You like us. 你们喜欢我们。
They like us. 他们喜欢我们。
We like them. 我们喜欢它们。
上面这些简单的句子里，like前面的人称代词都是主格，你可以把like换成别的