預(yù)約課程還可獲贈免費的學(xué)習(xí)復(fù)習(xí)診斷
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面臨2017小學(xué),除了學(xué)好數(shù)學(xué)之外,小學(xué)英語也是至關(guān)重要,小孩子學(xué)習(xí)英語,首先就要先學(xué)習(xí)英語單詞?墒,許多孩子都覺得,單詞的學(xué)習(xí)非常的枯燥乏味,對于英語單詞的學(xué)習(xí)就是找不到一個好的方法。其實,只要掌握規(guī)律,找到方法,單詞記憶還是很容易的。下面列舉一些小方法,以供參考。
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.
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:
①Kate does very well in her Chinese.
、贖ow 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(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.
作用三:替代do
為避免動詞的重復(fù),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.
、-Lucy, can you get some more tea, please?-Sure. I'll do it right away.
、-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.
③He did come.
、-You often go to the park.-So we do.
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