Look at the images above: The windows were opened The house was robbed Someone should have closed the windows Rule: should (n’t) have + past participle Should have done something means that a person did the opposite and it was a big mistake It’s useful when you criticise Look at the images above: The man was repairing his car with his best clotheso But then he decided to change clothes He shouldn’t use those clothes He shoud wear mechanic clothes Rule: should (n’t) + infinitive Someone should something means that it is a good thing to or the right thing to It’s useful when you give na advice ... to change clothes He shouldn’t use those clothes He shoud wear mechanic clothes Rule: should (n’t) + infinitive Someone should something means that it is a good thing to or the right thing to