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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.
、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:
①Kate 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.
、贙ate 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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