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關于初中英語語法:Do 的二作用
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.
②She did her homework at home last night.
、跰other 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:
、貹ate does very well in her Chinese.
、贖ow do you do?
、踂ell 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.
②Kate stayed at home last night, didn't she?
、跦ow many books does the library have?
、躍he doesn't do the washing in the evening.
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