were to do 与should be的区别 虚拟语气中

were to do和should do都可用在表示对将来情况的虚拟,做填空的时候要数好横线,三条线填were to do,两条线填should do。此外should do 还可以用在其他的虚拟语气句式里,比如说suggest +that从句,insist+that从句,等等。