I should pay you should pay he should pay we should pay you should pay they should pay
V-ing form
I should be paying you should be paying he should be paying we should be paying you should be paying they should be paying
Perfect
I should have paid you should have paid he should have paid we should have paid you should have paid they should have paid
V-ing perfect
I should have been paying you should have been paying he should have been paying we should have been paying you should have been paying they should have been paying
Negation
Simple form
I should not pay you should not pay he should not pay we should not pay you should not pay they should not pay
V-ing form
I should not be paying you should not be paying he should not be paying we should not be paying you should not be paying they should not be paying
Perfect
I should not have paid you should not have paid he should not have paid we should not have paid you should not have paid they should not have paid
V-ing perfect
I should not have been paying you should not have been paying he should not have been paying we should not have been paying you should not have been paying they should not have been paying
Interrogative form
Simple form
should I pay? should you pay? should he pay? should we pay? should you pay? should they pay?
V-ing form
should I be paying? should you be paying? should he be paying? should we be paying? should you be paying? should they be paying?
Perfect
should I have paid? should you have paid? should he have paid? should we have paid? should you have paid? should they have paid?
V-ing perfect
should I have been paying? should you have been paying? should he have been paying? should we have been paying? should you have been paying? should they have been paying?
Interro-negative form
Simple form
should I not pay? should you not pay? should he not pay? should we not pay? should you not pay? should they not pay?
V-ing form
should I not be paying? should you not be paying? should he not be paying? should we not be paying? should you not be paying? should they not be paying?
Perfect
should I not have paid? should you not have paid? should he not have paid? should we not have paid? should you not have paid? should they not have paid?
V-ing perfect
should I not have been paying? should you not have been paying? should he not have been paying? should we not have been paying? should you not have been paying? should they not have been paying?