used to say what is right or expected
You should always tell the truth.
used to give advice
You should try to get more sleep.
used to say what you expect to happen
The package should arrive tomorrow.
used to say something expected did not happen
It should be sunny now, but it's raining.
past form of shall in reported speech
She asked what time she should come.
used after that in suggestions
He suggested that I should visit the museum.
used to give uncertain opinions
I should think the meeting will be short.
used to show strong agreement
You should agree that this is important.
used to show surprise or annoyance
Who should I see but my old teacher!
used to tell about something surprising
You should have seen how happy she was.
used after feeling words
It's strange that he should say that.
used in polite requests
I should like to ask a question.
used instead of would in some cases
If I lost my job, I should look for a new one.
used to talk about possible events
If you should need help, just call me.