can be和must be should be的区别

题目

can be和must be should be的区别
详解例题

答案

can be是指可能会,可能是,表示可能性
例：That can't be true.那不可能是真的.
must be指一定会,准是,一定是,表不可避免性,必然会,必定会.
例：He must be there by now.他现在一定在那里了.
should be是指应该是,应当是
例：They should be there by now.他们现在应该已经到那了.