"would"这个单词是什么意思？它是怎么用的？

"would"这个单词是什么意思？它是怎么用的？

1. (will的过去式,表示过去将来时)将
She said she would come.
她说过她会来的。
2. (表示意志)愿,要;偏要
I told her to stop nagging, but she just wouldn't listen.
我叫她别再唠叨,可她就是不听。
3. (表示过去的习惯)总是,总会
He would sit silent for hours.
他常常接连好几个小时默默地坐着。
4. (表示推测)大概,会
I think he would accept the invitation.
我想他会接受邀请的。
5. (表示喜欢、意愿)愿意,要,想
I would like to have a word with you.
我想同你说句话。
6. (表示虚拟、假设、条件等)要,将要;会,就会
If I were younger, I would join you in the expedition to the Antarctic.
如果我年轻些,我就会跟你们一起去南极探险。
7. (表示婉转的请求)请
Would it be convenient for you to leave tomorrow?
明天走你方便吗?
Would you please come tonight?
你今晚来一下好吗?
8. (表示愿望)但愿,要是...多好
I wish you wouldn't smoke any more.
我希望你别再抽烟了。
9. 能,能够
The hall would seat one thousand people.
这个大厅能坐一千人。