來源:網(wǎng)絡來源 作者:中考網(wǎng)編輯 2021-04-27 16:52:22
中考網(wǎng)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:
、賂he old man does an hour of sport every day.
、赟he did her homework at home last night.
③Mother was doing the cooking when I reached home.
、蹾ave you done the exercises yet?
2. vi. "行動;工作;進展;足夠"。如:
、貹ate does very well in her Chinese.
、贖ow do you do?
③Well done!
、躎hat 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(xiàn)在時和一般過去時兩種時態(tài)的否定句和疑問句中。如:
、賂hey don't have any tickets for tonight's concert.
、贙ate stayed at home last night, didn't she?
③How many books does the library have?
、躍he 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:
、賂om runs much faster than you do.
、-Lucy, can you get some more tea, please?
-Sure. I'll do it right away.
、-Who broke the cup?
-Mimi did.
、-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(diào)句和倒裝句中,以加強語氣。如:
①Do be careful.
、贒on't tell a lie.
、跦e did come.
④-You often go to the park.
-So we do.
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