高中情态动词should的用法

1、should    modal verb Irregular: 1. used to show what is right, appropriate, etc., especially when criticizing somebody's actions （常用于纠正别人）应该，应当 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。 2. used for giving or asking for advice （提出或征询建

2、议）该，可以 You should stop worrying about it. 你不应该再担心那件事了。 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

3、么好的条件，可真该担心的。” ironic 3. used to say that you expect something is true or will happen （表示预期）应该会，可能 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. used to say that something that was expecte

4、d has not happened （表示与预期相反）本应，本当 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. used after I or we instead of would for describing what you would do if something else happened first （与 I 或 we 连用代替 would，表示虚拟

5、结果）就将 British English formal 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. used to refer to a possible event or situation （表示可能）假如，万一 formal 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

6、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. used as the past form of shall when reporting what somebody has said （在间接引语中用作 shall 的过去时） 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 (tha

7、t) I should be glad to help. 我说我乐意帮忙。 formal British English 8. used after that when something is suggested or arranged （用于 that 引导的、表示建议或安排的从句中） British English 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 systematical

8、ly. 为使培训有成效，必须有系统的计划。 9. used after that after many adjectives that describe feelings （用于许多表示感情的形容词后的 that 从句中） 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. used with I and we in polite requests （与

9、I 和 we 连用，表示客气地请求） British English formal 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. 对您的帮助我会非常感激。 11. used with I and we to give opinions that you are not certain about （与 I 和 we 连用，表示没有把握） I should imagine it will take about three hours. 我想得用差不多三个小时吧。 Is thi

10、s 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？”“不会吧。” 12. used for expressing strong agreement （表示十分赞同） 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 i

11、t. I should think not! “谁也不会反对的。”“我想也是！” 13. used to refuse something or to show that you are annoyed at a request; used to express surprise about an event or a situation （表示拒绝、恼怒或惊讶） why, how, who, what sb / sth do 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. used to tell som