cancould用法練習(xí)

1、Can/could的用法1 .can/could都屬于情，本身有各種意，具體在句子中不同。 2情不能獨(dú)作，只能和一起構(gòu)成。3 情沒有人稱和數(shù)量的化。4表示人的氣和情感。Can/could的幾種句式：肯定句cancould否定句略式can notcan'tcould notcouldn't疑句：can you .？ could you ？Can/could用法共同點(diǎn):1 都表示具的能力，指在、去無什么候想做就能做到的能力。 Could表示去的能力，can表示在或?qū)淼哪芰Α?在否定句和疑句中，都表示猜 氣。Can表示猜的可能性要多些,而could表示猜的可能性要小、些。3都 可以

2、表示建和求，can表示肯定，could的求氣更委婉。Can 與could用法不同點(diǎn)：l. can的氣肯定，could氣比委婉。2. can通常用在表示在的事情，3. could用在表示去的事情。4當(dāng)表示允人做某事，用 can而不用could.一、判斷下列句子的用法：1. A hen can t swim.2. How can that be true?3. Could you pass the paper to me?4couldn ' t play the piano until I was fifteen years old.5. What you said couldn'

3、ruetbe. t6. Can I take this seat?7. Could I use your phone?8. Yes,of course you can.二、選擇題1 At that time we thought the storynot be true.A)could B)must C)can2. Youthe work better in the future.A)could did B)can do C)could do3. The room is dirty; itcleaned.A) can ' t be B) couldn ' t beC) must

4、n't be4. Marymy letter, because she is worring about it now.A) should receive B) can，t receive C) couldn*t receive5. An Englishman whonot speak Chinese in China.A) must B) could C) can6. Mr Wangwrite last year, he was ill for three years.A. mustn ' tB. couldn ' Ct. can ' t7. - Who is

5、 the man over there? Is it Mr Li? -No, itbe him. Mr Li is much taller.A. mustn ' tB. could not C. can ' t8. Could I seat here?Yes, of course you.A. canB.couldC.must三、按要求完成句子1. Hecan ride a bike.(改一般疑問句和否定句，并作肯定和否定回答)_般疑問句否定句肯定回答否定回答2你會(huì)彈吉他嗎？you guitar?3 兩年前我不會(huì)騎自行車。I a bike two years.四、下列各句均有一處錯(cuò)誤，請(qǐng)指出并改正1 .He can speaks English very well.A BC D2. Can you play a piano?A BC D3. He doesn' tbuy something his brother.A BC