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1、我是can。我是一个情态动词,表示说话人的语气或情态,我没有人称和数的变化,在句子中不能单独作谓语,只能和紧挨着我的动词原形一起构成复合谓语。我的基本意思是“能;会”。 一、 我的基本用法1. 表示能力(如体力和脑力方面),意为“能;会”等。例如: Can you speak English? 你会讲英语吗?Can you play the piano? 你会弹钢琴吗? 2. 表示请求或允许,多用在口语中,意为“可以;能”等。用于疑问句中用来提出要求,用于否定句表示不允许。例如:Can I help you? 我能帮助你吗?You cant play basketball. 你不能玩篮球。 C
2、an you.?“请你好吗?”表示说话人的请求;Can I.?“我可以吗?”用来征求对方是否允许自己做某事。如在句末加上please一词就显得更有礼貌了。例如:Can you help me, please? 请你帮助我好吗?3. 表示可能。例如: He can be at home now. 他现在可能在家。 The moon cant always be full. 月亮不可能常圆。4. 表示怀疑。在表达此意时,只能用于一般疑问句中,带有感情色彩。例如:Can it be true? 那会是真的吗?二、 我的句式变化如下: 1. 在变否定句时,直接在我后加上“not”,可缩写成cant或c
3、annot, 但不能写成cannt。例如: He can swim. He cant swim. Emma can see the pen on the desk. Emma cannot see the pen on the desk.2. 在变一般疑问句时,把我直接移到主语前(原主语的首字母改成小写,第一人称应变为第二人称)即可。例如:I can see an orange on the table. Can you see an orange on the table? 其回答可用Yes, OK或Certainly等作肯定回答;用No或Sorry等作否定回答。例如: Can you lo
4、ok after my books, please? 你能照看一下我的书吗?OK. 可以。用Certainly回答。此时语气更为肯定。例如: Can I see your guitar? 我能看看你的吉它吗? Certainly. 当然可以。将下面各组词组成句子1._(an,aeroplane,hear,Lucy,can )2._(not,he,dance,can)3._?(you,can ,see,what )4._(can ,see ,not ,we ,you)5._. (I ,can ,help ,you )6._? (I,can ,do,what)7._? (you ,can ,hea
5、r me)8._? (you ,can ,dance)一般现在时:表示经常性的事情。时间状语:often经常, usually通常, always总是, every每个,sometimes有时, at在几点钟只有第三人称单数用动词三单,其余动词均用原形三单变化: 1.多数在动词后加s : playplays likelikes2.以s,x,sh,ch,o结尾的动词加es gogoes wash-washes3.以辅音字母加y结尾,把y改i再加es flyflies1. We often_(play) in the playgound.2. He _(get) up at six oclock.
6、3. _you _(brush) your teeth every morning.4. What _ (do) he usually_ (do) after school?5. Danny _ (study) english,chinese,maths,science and art an school.6. Mike sometimes _(go) to the park with his sister.7. At eight at night, she _(watch) tv with his parents.8. _ mike_(read) english every day?9. H
7、ow many lessons_your classmate_(have) on monday?() 1. _ you have a book?A. DoB. AreC. IsD. Have()2. They _ on a farm.A. workingB. is workC. workD. is worked() 3. Does Peter like to watch TV?_.A. Yes, he likeB. No, he doesntC. Yes, hed likeD. No, he likes()4. She doesnt _ her homework in the afternoo
8、n.A. doingB. to doC. doesD. do()5. How _ Mr. Brown _ to America?A. do,goB. is,goC. does,goD. does,goes()6. Wheres my camera? I_ it.A. am not findingB. am not seeingC. cant findD. cant look at()7. How _ he go to workHe _ to work by bike.A. does ;goB. do;goesC. do ;goD. does;goes()8. _you usually late for school?No, _.A. Do ; I amB. Does ;notC. Are ; Im notD. Are ; I arent()9. _ she _ home at six every day?A. Is , leaveB. Does , leaveC. Is , leavesD. Does , left()10. Mr. Yang _ English this term.A. teaches ourB. teaches usC. teachs usD. teach our