I should usurp you should usurp she should usurp we should usurp you should usurp they should usurp
V-ing form
I should be usurping you should be usurping she should be usurping we should be usurping you should be usurping they should be usurping
Perfect
I should have usurped you should have usurped she should have usurped we should have usurped you should have usurped they should have usurped
V-ing perfect
I should have been usurping you should have been usurping she should have been usurping we should have been usurping you should have been usurping they should have been usurping
Negation
Simple form
I should not usurp you should not usurp she should not usurp we should not usurp you should not usurp they should not usurp
V-ing form
I should not be usurping you should not be usurping she should not be usurping we should not be usurping you should not be usurping they should not be usurping
Perfect
I should not have usurped you should not have usurped she should not have usurped we should not have usurped you should not have usurped they should not have usurped
V-ing perfect
I should not have been usurping you should not have been usurping she should not have been usurping we should not have been usurping you should not have been usurping they should not have been usurping
Interrogative form
Simple form
should I usurp? should you usurp? should she usurp? should we usurp? should you usurp? should they usurp?
V-ing form
should I be usurping? should you be usurping? should she be usurping? should we be usurping? should you be usurping? should they be usurping?
Perfect
should I have usurped? should you have usurped? should she have usurped? should we have usurped? should you have usurped? should they have usurped?
V-ing perfect
should I have been usurping? should you have been usurping? should she have been usurping? should we have been usurping? should you have been usurping? should they have been usurping?
Interro-negative form
Simple form
should I not usurp? should you not usurp? should she not usurp? should we not usurp? should you not usurp? should they not usurp?
V-ing form
should I not be usurping? should you not be usurping? should she not be usurping? should we not be usurping? should you not be usurping? should they not be usurping?
Perfect
should I not have usurped? should you not have usurped? should she not have usurped? should we not have usurped? should you not have usurped? should they not have usurped?
V-ing perfect
should I not have been usurping? should you not have been usurping? should she not have been usurping? should we not have been usurping? should you not have been usurping? should they not have been usurping?