you should have studiedwho can explain this words?thanks a lot

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/28 06:36:33

you should have studiedwho can explain this words?thanks a lot
you should have studied
who can explain this words?thanks a lot

you should have studiedwho can explain this words?thanks a lot
你本应该学习的.
虚拟语气,前面有if是本来的形式
在if非真实虚拟条件句中,主句和从句谓语动词主要有下面几种形式:
假设类型 条件从句谓语动词形式 主句谓语动词形式
与现在事实相反 动词过去时(be 用 were) Should(would,could,might) + 动词原形
与过去事实相反 Had + 过去分词 Should(would,could, might)+ have + 过去分词
与将来事实可能相反 动词过去时(should+动词原形,were to + 动词原形) Should(would,could,might)+ 动词原形

你应该学习了

你应该学过了.

you should have studied意思是你本应该学习但是没学,EG:you should have studied today,but you didn't

你本应该已经学习了

你应该学习,但是你却没有!

同意四楼的

你要是复习就好了

是虚拟语气,意思是你本应该学的,但实际却没学