should本应该做某事却没有做,表示责备和遗憾.
如;Youshouldahvetoldmethenewseariler.
would表示与事实相反。
1。IfIwereabird,Iwouldbehappy.(与现在事实相反)
2.IfIhadtoldhimthenews,hewouldhavecried..(与过去事实相反)
3.IfIweretogotomorrow,Iwouldtakeaplane..(与将来事实相反)
I
should
have
seen
him
off.我本应该去为他送行的.
If
I
were
ten
years
younger,I
would
go
abroad
with
him.
我如果年轻十岁就会跟他出国了.
should本应该做某事却没有做到,表示遗憾.
would表示如果情况发生变化,主语就会做某事.
虚拟语气中,一般是用should
be+动词原形结构。
would一般不用于虚拟语气
should
有应当做却没做的意思,would有假如情况有变动,就会做的意思