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do一般表示什么

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瑞文問(wèn)答

2024-07-26

do具有多種詞性和詞義。構(gòu)成疑問(wèn)句和否定句。代替動(dòng)詞。用于加強(qiáng)語(yǔ)氣。有做、干、進(jìn)行、表現(xiàn)、的確等意思。

擴(kuò)展資料

  do詞性

  do是用于一般現(xiàn)在時(shí)的助動(dòng)詞,did則是用于一般過(guò)去時(shí)的助動(dòng)詞。done是do的過(guò)去分詞。do還有實(shí)義動(dòng)詞(有實(shí)在意義的動(dòng)詞)的解釋:做,干,等?谡Z(yǔ)中,do 的否定式通常用縮寫形式。例如,do not 略作don't,did not 略作didn't。助動(dòng)詞無(wú)法與be動(dòng)詞、動(dòng)詞原形一同使用。

  do的用法

  1. do用于一般現(xiàn)在時(shí)

  例句:I often do my homework in the evening.

  2. does用于第三人稱單數(shù)的一般現(xiàn)在時(shí)

  例句:He does his lessons every day.

  3. did用于一般過(guò)去時(shí)

  例句:They did homework yesterday.

  4. doing常用于現(xiàn)在進(jìn)行時(shí)或者非謂語(yǔ)動(dòng)詞(暫時(shí)不提)

  例句:He is doing his homework now.

  5. done 常用于完成時(shí),被動(dòng)態(tài)或者非謂語(yǔ)動(dòng)詞(暫時(shí)不提)

  例句:

  He has done his homework.

  He had done his homework before he went out.

  His homework is done.

  作為助動(dòng)詞,常用于疑問(wèn)句和否定句。

  1. 一般疑問(wèn)句

  例句:Do you like English?

  2. 選擇疑問(wèn)句

  例句:Does he go to school by bus or by bike?

  3. 特殊疑問(wèn)句

  例句:How do you go to school?

  4. 反義疑問(wèn)句

  例句:You like English, don't you?

  5. 否定句

  例句:I don't like English.

  另外,也可以用于表示強(qiáng)調(diào), 此時(shí)需要重讀。

  例句:He does need your help. (does重讀,強(qiáng)調(diào)確實(shí)需要幫助)

  還有,也可以代替其他的動(dòng)詞,使句子更簡(jiǎn)練。

  例句:

  Who cleaned the windows?

  Tom did.

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