should和would的用法区别

should和would的区别：

should常译作“应该”,would常译作“愿意；会”；should本应该做某事却没有做，表示责备和遗憾，would表示与事实相反。

should和would的用法：

1.should和would都可用于疑问句,表示征询意见或提建议.但它们比baishall和will更委婉.如 Should we open the window?/ Would you mind asking you so many questions?

2.should和would都可用于肯定句或否定句.

(1)should译作“应该”,表示义务或推测.如 We should protect our environment.(义务) / You shouldn’t know him.(推测)

(2)would译作“愿意；会”,表示过去的意愿或意志.如 She said she would become a volunteer./ He promised that he wouldn’t fall behind others.

3.should和would都可作助动词,它们是shall和will的过去式,用于过去将来时,译作“将要”.should用于主语是第一人称,would用于主语是任意人称.如 He said we should / would move to the second floor.