why not 和why don’t 的区别如下:
1、Why not 可以单独作为一个句子使用,而Why don't不可以单独成为一个句子。
2、Why not 的意思主要有三个:
(1)可以用来询问原因:为什么?
【例句】a:You should not smoke.你不应该吸烟。b: Why not ?为什么?
(2)坚持自己的观点
【例句】a:Are you really going to sue them?你真的要起诉他们吗?
b:Yes ,Why not ? 是的,为什么不呢?
(3)表示赞成
【例句】a; Can I go with you?我能跟你一起去吗?
b: Why not?为什么不呢?(好呀)
3、Why don't 句型:Why don't you......?你为什么不......?表达建议或劝告
【例句】Why don't you ask Yangboshi?你为什么不问羊博士呢?
That's a good idea.好主意。
扩展资料:
例句
(1)What you need is a change of scene. Why not go on a cruise?
你需要换换环境。为什么不乘船去旅行呢?
(2)Why not have a try?
为什么不试一试?
(3)Want to spend the afternoon with me?' — 'Why not?'
“想和我共度这个下午吗?”——“好啊!”
(4)Why don't you inquire by telephone?
你何不打电话去问一问?
(5)Why don't you come and see me sometime?
为什么不找个时间来看看我?
(6)Why don't you see if you can scare up a cup of coffee?
你看看能不能好歹沏一杯咖啡?