Read these sentences and complete them with should or should have + the verb in brackets.
Write your answers, don't use capital letters.
1. We don’t see you enough. You _____and see us more often. (come)
2. I’m going to play football with Steve. He ______- he is the best player. (win)
3. I posted the letter three days ago, so it _________ by now. (arrive)
Raymond Murphy. English grammar in use- Cambridge: CUP, 379p.