2022小學(xué)英語語法：現(xiàn)在進行時

　　現(xiàn)在進行時

　　——表示現(xiàn)在正在進行的動作

　　構(gòu)成：主語＋be動詞＋動詞的現(xiàn)在分詞＋其它成分

　　We are having lunch.

　　He is reading a book.

　　The dog is running after a cat.

　　The boys are swimming across the river.

　　★變疑問句將be動詞移到句首

　　Are we having lunch?

　　Is he reading a book?

　　Is the dog running after a cat?

　　Are the boys swimming across the river?

　　★變否定句在be動詞后面加 not

　　We are not having lunch.

　　He is not reading a book.

　　The dog is not running after a cat.

　　The boys are not swimming across the river.

　　★特殊疑問句：what, which, how, where, who, etc.

　　疑問詞＋動詞＋主語＋現(xiàn)在分詞

　　What are you doing?

　　What is she doing?

　　What is the dog doing?

　　沒有進行時的動詞（必背）

　　表示狀態(tài)，思想，感情和感覺的動詞不能表示正在進行的動作：

　　1. 表示感覺，感官的詞

　　see, hear, like, love, want

　　2. have, has當“擁有”講時沒有進行時

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