1. | （尤用于纠正别人）应该，应当used to show what is right, appropriate, etc., especially when criticizing sb's actions |
You shouldn't drink and drive. 你不该酒后驾车。 | |
He should have been more careful. 他应当更小心点儿才是。 | |
A present for me? You shouldn't have !(= used to thank sb politely) 给我的礼物？您太客气了！ |
2. | （提出或征询建议）该，可以used for giving or asking for advice |
You should stop worrying about it. 你该不用再为此事担忧了。 | |
Should I call him and apologize? 我是不是应该打电话向他道歉？ | |
I should wait a little longer, if I were you . 假如我是你的话，我会再等一会儿。 | |
‘She doesn't think she'll get a job.’ ‘She should worry, with all her qualifications(= she does not need to worry) .’ “她担心找不到工作。”“她那么好的条件，还担心什么呀。” |
3. | （表示预期）应该会，可能used to say that you expect sth is true or will happen |
We should arrive before dark. 我们天黑以前应该能赶到。 | |
I should have finished the book by Friday. 到星期五我应该能读完那本书。 | |
The roads should be less crowded today. 今天路上该不那么拥挤了吧。 |
4. | （表示与预期相反）本应，本当used to say that sth that was expected has not happened |
It should be snowing now, according to the weather forecast. 按天气预报，现在该下雪才是。 | |
The bus should have arrived ten minutes ago. 公共汽车十分钟以前就该到了。 |
5. | （与 I 或 we 连用代替 would，表示虚拟结果）就将used after or instead ofwould for describing what you would do if sth else happened first |
If I were asked to work on Sundays, I should resign. 要是叫我星期天加班，我就辞职不干了。 |
6. | （表示可能）假如，万一used to refer to a possible event or situation |
If you should change your mind, do let me know. 假如你改变主意的话，一定要告诉我。 | |
In case you should need any help, here's my number. 万一你需要帮助的话，这是我的电话号码。 | |
Should anyone call(= if anyone calls) , please tell them I'm busy. 如果有人打电话来，请告诉他我正忙着。 |
7. | （在间接引语中用作 shall 的过去时）used as the past form ofshall when reporting what sb has said |
He asked me what time he should come.(= His words were: ‘What time shall I come?’) 他问我他应该什么时候来。 | |
I said (that) I should be glad to help. 我说我乐意帮忙。 |
8. | （用于 that 引导的、表示建议或安排的从句中）used afterthat when sth is suggested or arranged |
She recommended that I should take some time off. 她建议我应该休息一段时间。 | |
In order that training should be effective it must be planned systematically. 为使培训有成效，必须有系统的计划。 | |
9. | （用于许多表示感情的形容词后的 that 从句中）used afterthat after many adjectives that describe feelings |
I'm anxious that we should allow plenty of time. 我殷切希望我们能留出充裕的时间。 | |
I find it astonishing that he should be so rude to you. 他竟然对你这样无礼，真叫我吃惊。 |
10. | （与 I 和 we 连用，表示客气地请求）used with and in polite requests |
I should like to call my lawyer. 我希望给我的律师打个电话。 | |
We should be grateful for your help. 对您的帮助我们会非常感激。 |
11. | （与 I 和 we 连用，表示没有把握）used with and to give opinions that you are not certain about |
I should imagine it will take about three hours. 我想得用差不多三个小时吧。 | |
‘Is this enough food for everyone?’ ‘ I should think so .’ “这些食物够所有人吃吗？”“我觉得够了吧。” | |
‘Will it matter?’ ‘ I shouldn't think so .’ “这有关系吗？”“我觉得没有吧。” |
12. | （表示十分赞同）used for expressing strong agreement |
‘I know it's expensive but it will last for years.’ ‘ I should hope so too! ’ “我知道价钱贵，但能用好多年。”“我也是这么想的！” | |
‘Nobody will oppose it.’ ‘ I should think not! ’ “谁也不会反对的。”“我想也是！” |
13. | why, how, who, what ~ sb/sth do （表示拒绝、恼怒或惊奇）used to refuse sth or to show that you are annoyed at a request; used to express surprise about an event or a situation |
Why should I help him? He's never done anything for me. 我干吗要帮他呢？他从来没为我做过什么。 | |
How should I know where you've left your bag? 我怎么知道你把包丢在哪儿了？ | |
I got on the bus and who should be sitting in front of me but Tony! 我上了公共汽车，没想到坐在我前面的竟然是托尼！ |
14. | （表示假如对方看见或经历某事物，一定会感兴趣或吃惊）真该，真应当used to tell sb that sth would amuse or surprise them if they saw or experienced it |
You should have seen her face when she found out! 你真该看看她发现事情真相时脸上的表情！ |
