來源:網絡來源 作者:中考網編輯 2021-04-27 16:52:22
中考網整理了關于2021年中考英語知識點之動詞do在句中的作用,希望對同學們有所幫助,僅供參考。
動詞do在句中的作用可以概述為四句十二字:"做"實義,助動詞,替前文,強語氣。
作用一:實義do
do作實義動詞時,有do, does, did, done, doing五種形式,還有及物、不及物之分。如:
1. vt. "做;研究;整理;完成"。如:
①The old man does an hour of sport every day.
②She did her homework at home last night.
③Mother was doing the cooking when I reached home.
④Have you done the exercises yet?
2. vi. "行動;工作;進展;足夠"。如:
①Kate does very well in her Chinese.
②How do you do?
③Well done!
④That will do.
作用二:助動do
do作助動詞時,只有do, does, did三種形式,無詞義,限用于含行為動詞的一般現在時和一般過去時兩種時態的否定句和疑問句中。如:
①They don't have any tickets for tonight's concert.
②Kate stayed at home last night, didn't she?
③How many books does the library have?
④She doesn't do the washing in the evening.
作用三:替代do
為避免動詞的重復,使語言簡練,常以do, does, did替代前文所用的行為動詞。如:
①Tom runs much faster than you do.
②-Lucy, can you get some more tea, please?
-Sure. I'll do it right away.
②-Who broke the cup?
-Mimi did.
③-I like bananas.
-So does he.
作用四:語氣do
為突出感情色彩,do常用于祈使句、強調句和倒裝句中,以加強語氣。如:
①Do be careful.
②Don't tell a lie.
③He did come.
④-You often go to the park.
-So we do.
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