虚拟语气中的should能不能用shouldn't?比如说“suggest that sb shouldn't do"?
虚拟语气中的should能不能用shouldn't?比如说“suggest that sb shouldn't do"?
虚拟语气中的should能不能用shouldn't?比如说“suggest that sb shouldn't do"?
虚拟语气中的should能不能用shouldn't?比如说“suggest that sb shouldn't do"?
可以should可省略
可以啊比如required也有这种用法,我照给你看哈