20160906-g74

Use would have or should have + past participle to give opinions or suggestions about actions in the past . What should I have done ? You should have told them about it . You should n't have hidden it . What would you have done ? I would have called him . I would n't have sent him an e - mail .

Imagine that your boss spilled coffee over your new white shirt 2 weeks ago.

May be you friend should say: you should have complained about it and asked him to buy a new shirt

Now imagine that you boss fired an employee without compensating her the last month's salary. What would you say about the boss?