I should extemporize you should extemporize she should extemporize we should extemporize you should extemporize they should extemporize
V-ing form
I should be extemporizing you should be extemporizing she should be extemporizing we should be extemporizing you should be extemporizing they should be extemporizing
Perfect
I should have extemporized you should have extemporized she should have extemporized we should have extemporized you should have extemporized they should have extemporized
V-ing perfect
I should have been extemporizing you should have been extemporizing she should have been extemporizing we should have been extemporizing you should have been extemporizing they should have been extemporizing
Negation
Simple form
I should not extemporize you should not extemporize she should not extemporize we should not extemporize you should not extemporize they should not extemporize
V-ing form
I should not be extemporizing you should not be extemporizing she should not be extemporizing we should not be extemporizing you should not be extemporizing they should not be extemporizing
Perfect
I should not have extemporized you should not have extemporized she should not have extemporized we should not have extemporized you should not have extemporized they should not have extemporized
V-ing perfect
I should not have been extemporizing you should not have been extemporizing she should not have been extemporizing we should not have been extemporizing you should not have been extemporizing they should not have been extemporizing
Interrogative form
Simple form
should I extemporize? should you extemporize? should she extemporize? should we extemporize? should you extemporize? should they extemporize?
V-ing form
should I be extemporizing? should you be extemporizing? should she be extemporizing? should we be extemporizing? should you be extemporizing? should they be extemporizing?
Perfect
should I have extemporized? should you have extemporized? should she have extemporized? should we have extemporized? should you have extemporized? should they have extemporized?
V-ing perfect
should I have been extemporizing? should you have been extemporizing? should she have been extemporizing? should we have been extemporizing? should you have been extemporizing? should they have been extemporizing?
Interro-negative form
Simple form
should I not extemporize? should you not extemporize? should she not extemporize? should we not extemporize? should you not extemporize? should they not extemporize?
V-ing form
should I not be extemporizing? should you not be extemporizing? should she not be extemporizing? should we not be extemporizing? should you not be extemporizing? should they not be extemporizing?
Perfect
should I not have extemporized? should you not have extemporized? should she not have extemporized? should we not have extemporized? should you not have extemporized? should they not have extemporized?
V-ing perfect
should I not have been extemporizing? should you not have been extemporizing? should she not have been extemporizing? should we not have been extemporizing? should you not have been extemporizing? should they not have been extemporizing?