助动词 “should”
should, negative shouldn't
- 用于指示应该做什么。
You should brush your teeth twice a day.
- 用来提供友好的建议
You should try the chocolate cake; it's delicious.
- (用于像“see”或“hear”这样的动词后)用来指出某事令人印象深刻或值得注意
You should hear her sing; it's like listening to an angel.
- 用来征询关于应采取何种正确行动的建议
Should we call a doctor for advice?
- 表达了某事被期待为真的情况
They should be at home by now.
- 万一(表示一种假设的条件)
Should you see him, tell him to call me.
- 动词 "shall" 的简单过去时在时态序列中。
I shall visit my grandmother tomorrow. I said I should visit her tomorrow.