would/wud/

1.aux vb

I would love to go to Italy (conditional tense) 我很愿意去意大利

you would never guess that...
你永远猜不到…
I'm sure he wouldn't do that
我确定他不会那么做的
if you asked him he would do it
如果你要求的话他会做的
if you had asked him he would have done it
如果你问过他的话,他早就会做了
2.aux vb

would you like a biscuit? (in offers,invitations,requests) 你要来块饼干吗?

would you ask him to come in?
你要叫他进来吗?
would it be all right if I sat down?
我可以坐下吗?
he asked me if I would go with him
他问我是否愿意和他一起去
3.aux vb

she wouldn't help me (be willing to) 她不愿意帮助我

she wouldn't behave
她不会老老实实的
the door wouldn't open
门是打不开的
I wish you would tidy your room
但愿你会收拾你的房间
4.aux vb

he said he would be at home later (in indirect speech) 他说他晚点儿会在家的

she asked me if I would be angry if...
她问我如果…我是否会生气
5.aux vb

he would spend every day on the beach (used to) 他以前天天都呆在沙滩上

6.aux vb

you wouldn't know him (conjecture) 你一定认不出他的

it would have been midnight
可能已经是半夜了
7.aux vb

(emphatic annoyance) 老是

it would have to snow today!
今天又得下雪!
you would say that, wouldn't you!
你会那么说,是不是!
8.aux vb

I didn't want her to,but she would do it (insistence) 我不想她这么做,但她会的