文档介绍:考点精讲精练
动词
动词是表示人和事物的动作或状态的词,具有人称、数、时态、语态等语法范畴。动词经常充当句子的谓语或谓语的组成部分。动词可分为助动词、连系动词、情态动词和行为动词四类。
考点一 连系动词
连系动词本身具助动词之前;在疑问句中,情态动词放在主语之前。如:
What can I do for you? 我能为你做什么?
The flowers should be watered every day. 每天都应该给这些花浇水。
◆ 情态动词有四种特征:
(have to 除外); ;
; not。如:
Wu Pingping can go there with 。
May I go now, Mum?妈,我现在可以去吗?
You mustn't play football in the 's ,太危险。
情态动词主要有 can (could), may (might), must, need, have to, shall (should), will (would) 等。
◆ 几个的重要情态动词的具体用法
(1)can 和 could 的用法
①表示能力。如:
I can use the computer now. 我现在会用计算机了。
Can you play the piano at the age of ten? 你十岁时会弹钢琴吗?
注意:be able to 也表示能力,可用于各种时态。如:
They weren’t able to find the right way. 他们找不到正确的路。
We shall be able to finish the work next week. 我们下周应该可以完成工作。
②在口语中,can 常代替may, 表示“许可”;can’t / mustn’t 表示“不准”,但 mustn’t 语气更强。如:
You can / may go now. 你现在可以走了。
In the library, you can’t / mustn’t talk loudly. 在图书馆里你不准大声说话。
③有礼貌地提出请求(用于疑问句),常用could。如:
Could you be here at 7:00 tomorrow morning? 你明天早上7点钟到这里好吗?
④谈论可能性。如:
The ping-pong bat can’t be Lily’s for she never plays ping-pong.
这个兵乓球拍不可能是莉莉的,因为她从来不打乒乓球。
注意:can 在疑问句和否定句中还有惊讶、怀疑等含义、如“Can it be true? 这是真的吗?
对点精练:
(D)6. -Look at the young lady in red.Is it ?
-No,It ________ be her.She is wearing a white dress today.
A.can B.may C.must D.can't
(C)7. Please don't make so much noise.I_____hear the speaker very well.
A.needn't B.mustn't C.can't D.shouldn't
(A)8.﹣What does Justin Bieber’s song Never Say Never impress you most?
﹣It tells us that we______do almost anything if we never give up.
A.can B.have to C.should D.need
(B)9. ---Mum, I play football this afternoon?
---Sure, but you finish your homework first.
A. may; could B. can; must C. can; mustn’t D. may; can’t
( A )10. ----Jack, _____ you ride a bike ?
---Yes, I can.