1.現(xiàn)在進行時表示現(xiàn)在正在進行或發(fā)生的動作,也可表示當前一段時間內(nèi)的活動或現(xiàn)階段正在進行的動作。(句中一般含有now, look, listen.)
2.現(xiàn)在進行時的肯定句基本結(jié)構(gòu)為be+動詞ing.
如:Tom is reading books in his study .
3.現(xiàn)在進行時的否定句在be后加not。
如:Tom is reading books in his study .
Tom is not reading books in his study .
4.現(xiàn)在進行時的一般疑問句把be動詞調(diào)到句首。
如:Tom is reading books in his study .
Is Tom reading books in his study ?
5.現(xiàn)在進行時的特殊疑問的基本結(jié)構(gòu)為:疑問詞+一般疑問句?
(注意:當劃線部分包含謂語動詞時,用疑問詞代替劃線部分放到句首,原劃線處應加上doing)
如:Tom is reading books in his study . Tom is reading books in his study .
Is Tom reading books in his study ? Is Tom reading books in his study ?
What is Tom doing in his study? Where is Tom reading books?