新概念英語(yǔ)基礎(chǔ)語(yǔ)法：現(xiàn)在進(jìn)行時(shí)

★以下是少兒英語(yǔ)頻道為大家整理的《新概念英語(yǔ)基礎(chǔ)語(yǔ)法：現(xiàn)在進(jìn)行時(shí)》，供大家參考。更多內(nèi)容請(qǐng)看本站少兒英語(yǔ)頻道。
    現(xiàn)在進(jìn)行時(shí)
    ——表示現(xiàn)在正在進(jìn)行的動(dòng)作
    構(gòu)成：主語(yǔ)+be動(dòng)詞+動(dòng)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(wèn)句將be動(dòng)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(dòng)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(wèn)句：what, which, how, where, who, etc.
    疑問(wèn)詞+動(dòng)詞+主語(yǔ)+現(xiàn)在分詞
    What are you doing?
    What is she doing?
    What is the dog doing?
    沒(méi)有進(jìn)行時(shí)的動(dòng)詞(必背)
    表示狀態(tài)，思想，感情和感覺(jué)的動(dòng)詞不能表示正在進(jìn)行的動(dòng)作：
    1. 表示感覺(jué)，感官的詞
    see, hear, like, love, want
    2. have, has當(dāng)“擁有”講時(shí)沒(méi)有進(jìn)行時(shí)