1、急求Should的各种用法

问题描述:

1、急求Should的各种用法
2、它和Ought to有什么区别

should的用法■表示“应该,应当”He should work harder.他应该更加努力.You should help your mother with the housework.你应该帮你母亲做家务.Crime should be punished.犯罪应受惩罚.Should I wear a coat?我要...