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  • 1 # 吃吃劉

    is是be動詞,改否定句的方法,就是在is的後邊加not,比如說 she is a girl,那麼我們把這一句話變成否定句,就是she isn't a girl。

    在比如this is my book,那麼這句話改成否定句就是this is not my book,所以is改為否定句的方法就直接在is後面加not就可以了。

  • 2 # 愛花花兒

    Is在句子中可以做系動詞,也可以做助動詞。不管它是做什麼句子成分,要變成否定句的時候,給後面直接加not就可以了。例如It isn't cold today,Let's go out to play. He is reading a book in the library, He isn't playing computer games.The room isn't cleaned, It's dirty.

  • 3 # 用戶1463612032481

    否定句為:She is not in the room.

    陳述句改為否定句需要在be動詞後面加not。原句意思是:她在屋子裡。改為否定句後,意思是:她不在屋子裡。

    此句為:主系表結構

    she是主語,意思是“她”,be動詞is是系動詞,in the room是表語,意思是在屋子裡,是表示地點的。