小學英語語法總結(jié)：現(xiàn)在進行時

　　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?