英语语法专项练习 句子专项训练 1一、 把下列陈述句改为否定句
We go to school on Sunday
We don ’ t go to school on S unday
答案解析:陈述句改为否定句时,如果句中没有 be 动词,找主语,如果主语不是第三人称单数,时态是一般现在时,在主语后加 don’t
We’ll go to the park this afternoon
We won ’ t go to the park this afternoon
答案解析:陈述句改为否定句时,will 的否定形式是 won’t
I am watching TV now
I am not watching TV now
答案解析:陈述句改为否定句时,当句中有 be 动词时,在 be 动词后 not
Jack’father is a teacher
Jack ’ father isn ’ t a teacher
答案解析:陈述句改为否定句时,当句中有 be 动词时,在 be 动词后 not
The dog runs fast
The dog doesn ’ t run fast
答案解析:陈述句改为否定句时,如果句中没有 be 动词,找主语,如果主语是第三人称单数,时态是一般现在时,主语后加 doesn’t
The baby can speak
The baby can ’ t speak
答案解析:陈述句改为否定句时,句中有 can ,may 等时,在主语后直接加 not
There is some water in the bottle
There isn ’ t any water in the bottle
答案解析:陈述句改为否定句时,当句中有 be 动词时,在 be 动词后 not,some 要改为 an