qatior The car should be repaired.
The flat should be bought.
It should be showed.
The mouse should be caught.
Our class should be redesigned.

aira99 1)I should have done my homework yesterday
2)He should have told her about his problem before it was too late
3) I should have come to school tommorow
4) She should have given her adress
5) We should have participated in that program