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我是can。我是一個(gè)情態(tài)動(dòng)詞，表示說(shuō)話人的語(yǔ)氣或情態(tài)，我沒(méi)有人稱和數(shù)的變化，在句子中不能單獨(dú)作謂語(yǔ)，只能和緊挨著我的動(dòng)詞原形一起構(gòu)成復(fù)合謂語(yǔ)。我的基本意思是“能；會(huì)”。
一、 我的基本用法1. 表示能力（如體力和腦力方面），意為“能；會(huì)”等。例如： Can you speak English? 你會(huì)講英語(yǔ)嗎？Can you play the piano? 你會(huì)彈鋼琴嗎？
2. 表示請(qǐng)求或允許，多用在口語(yǔ)中，意為“可以；能”等。用于疑問(wèn)句中用來(lái)提出要求，用于否定句表示不允許。例如：Can I help you? 我能幫助你嗎？You can’t play basketball.
2、你不能玩籃球。
Can you...？“請(qǐng)你……好嗎？”表示說(shuō)話人的請(qǐng)求；Can I...？“我可以……嗎？”用來(lái)征求對(duì)方是否允許自己做某事。如在句末加上
please一詞就顯得更有禮貌了。例如：Can you help me, please? 請(qǐng)你幫助我好嗎？
3. 表示可能。例如： He can be at home now. 他現(xiàn)在可能在家。 The moon can’t always be full. 月亮不可能常圓。
4. 表示懷疑。在表達(dá)此意時(shí)，只能用于一般疑問(wèn)句中，帶有感情色彩。例如：Can it be true? 那會(huì)是真的嗎？
二、 我的句式變化如下： 1. 在
3、變否定句時(shí)，直接在我后加上“not”,可縮寫(xiě)成can’t或cannot, 但不能寫(xiě)成cann’t。例如： He can swim. → He can’t swim.
Emma can see the pen on the desk.→ Emma cannot see the pen on the desk.
2. 在變一般疑問(wèn)句時(shí)，把我直接移到主語(yǔ)前（原主語(yǔ)的首字母改成小寫(xiě)，第一人稱應(yīng)變?yōu)榈诙朔Q）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, O
4、K或Certainly等作肯定回答；用No或Sorry等作否定回答。例如：
—Can you look after my books, please? 你能照看一下我的書(shū)嗎？—OK. 可以。用Certainly回答。此時(shí)語(yǔ)氣更為肯定。例如： —Can I see your guitar? 我能看看你的吉它嗎？ —Certainly. 當(dāng)然可以。
將下面各組詞組成句子 1.________________________（an,aeroplane,hear,Lucy,can ）
2.___________________________(not,he,dance,can)3.______
5、______________________?(you,can ,see,what )
4.____________________________(can ,see ,not ,we ,you) 5._____________________________. (I ,can ,help ,you ) 6._____________________________? (I,can ,do,what)7._____________________________? (you ,can ,hear me)
8._____________________________? (you ,can
6、,dance)
一般現(xiàn)在時(shí)：表示經(jīng)常性的事情。時(shí)間狀語(yǔ)：often經(jīng)常, usually通常, always總是， every每個(gè),
sometimes有時(shí)， at…在幾點(diǎn)鐘
只有第三人稱單數(shù)用動(dòng)詞三單，其余動(dòng)詞均用原形三單變化： 1.多數(shù)在動(dòng)詞后加s : play—plays like—likes
2.以s，x，sh，ch，o結(jié)尾的動(dòng)詞加es go—goes wash--washes3.以輔音字母加y結(jié)尾，把y改i再加es fly—flies
1. We often___________(play) in the playgound.2. He _________(get) u
7、p at six o’clock.
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
8、night, she __________(watch) tv with his parents.8. ________ mike________(read) english every day?
9. How many lessons_________your classmate________(have) on monday?
( ) 1. _____ you have a book? A. Do B. Are C. Is D. Have
( )2. They _________ on a farm.A. working B. is work C. work D. is worke
9、d
( ) 3. Does Peter like to watch TV?__________.A. Yes, he like B. No, he doesn’t C. Yes, he’d like D. No, he likes
( )4. She doesn’t __________ her homework in the afternoon.A. doing B. to do C. does D. do
( )5. How ____________ Mr. Brown ___________ to America?A. do,go B. is,go C. does,go D. do
10、es,goes
( )6. Where’s my camera? I____________ it.A. am not finding B. am not seeing C. can’t find D. can’t look at
( )7. How ___________ he go to work
He ___________ to work by bike.A. does ;go B. do;goes C. do ;go D. does;goes
( )8. _____you usually late for school?No, ________.A. Do ; I am B. Does ;not C. Are ; I’m not D. Are ; I aren’t
( )9. _____ she _____ home at six every day?A. Is , leave B. Does , leave C. Is , leaves D. Does , left
( )10. Mr. Yang ____________ English this term.A. teaches our B. teaches us C. teachs us D. teach our
情態(tài)動(dòng)詞can 練習(xí)
