1、 no用作形容词时，后面的名词可以是可数名词单数，也可以是可数名词复数，还可以是不可数名词。
2、no用作形容词表示“没有的”时,与可数名词的单数或不可数名词连用,谓语动词用单数,与可数名词的复数连用时,谓语动词用复数。
拓展资料
no的用法
1、（用于否定的回答或陈述）不；没有；不是
used to give a negative reply or statement
Just say yes or no.
只要说“是”或“不是”。
‘Are you ready?’ ‘No, I'm not.’
“准备好了吗？”“没有，我没准备好。”
Sorry, the answer's no.
对不起，回答是不。
‘Another drink?’ ‘No, thanks.’
“再来一杯？”“不要了，谢谢。”
It's about 70─no, I'm wrong─80 kilometres from Rome.
距离罗马大约是70——不，不对——是80公里。
No! Don't touch it! It's hot.
别！别碰它！很烫。
‘It was Tony.’ ‘No, you're wrong. It was Ted.’
“是托尼。”“不对，你错了，是特德。”
‘It's not very good, is it?’ ‘No, you're right, it isn't (= I agree) .’
“这不太好，是吧？”“你说得对，这不太好。”
2、（对某人所说的话感到惊讶）不，不要
used to express shock or surprise at what sb has said
‘She's had an accident.’ ‘Oh, no!’
“她发生了意外。”“怎么会呢！”
‘I'm leaving!’ ‘No!’
“我要走了！”“别走！”
习语
not take no for an answer
非让人接受（或听从）
to refuse to accept that sb does not want sth, will not do sth, etc.
You're coming and I won't take no for an answer!
你一定要来，不来可不行！
yes and no
说不准；也是也不是
used when you cannot give a clear answer to a question
‘Are you enjoying it?’ ‘Yes and no.’
“你喜欢这个吗？”“不好说。”
3、没有；无
not one; not any; not a
No student is to leave the room.
学生一律不许离开这房间。
There were no letters this morning.
今天早上一封信也没有。
There's no bread left.
一片面包都没有了。
No two days are the same.
一天一个样。
see also no one
4、不准；禁止
used, for example on notices, to say that sth is not allowed
No smoking!
禁止吸烟！
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