1.should后直接跟动词原形,没有人称和数的变化, 如:
You should go home at once.He should eat more vegetables.I should finish my homework before nine.should的否定形式是在should后面加not, 可以缩写为shouldn’t, 意为“不应当; 不应该”。如:You should not / shouldn’t insult her. 你不应该羞辱她。
2.should作为情态动词最基本的意思是“应该”,既可指建议或劝告某人“应该”做某事,也可指有责任或义务“应该”做某事,如:You should tell your mother. 你应该告诉你的妈妈。
3.should可以与say, think, imagine等动词连用,使语气变得委婉,如:I should say he is an English teacher. 我想他是一位英语老师。I should think it is a good song. 我想那是一首好曲子。
3、相关例句
Not you but I should be to blame.
应该受到责备的不是你,而是我。
Should I go this way or that way?
我应当走这条路还是那条路?
How do I know what I should do, what not to do?
我怎么知道我应该做什么,不应该做什么呢?