I should winterize you should winterize he should winterize we should winterize you should winterize they should winterize
V-ing form
I should be winterizing you should be winterizing he should be winterizing we should be winterizing you should be winterizing they should be winterizing
Perfect
I should have winterized you should have winterized he should have winterized we should have winterized you should have winterized they should have winterized
V-ing perfect
I should have been winterizing you should have been winterizing he should have been winterizing we should have been winterizing you should have been winterizing they should have been winterizing
Negation
Simple form
I should not winterize you should not winterize he should not winterize we should not winterize you should not winterize they should not winterize
V-ing form
I should not be winterizing you should not be winterizing he should not be winterizing we should not be winterizing you should not be winterizing they should not be winterizing
Perfect
I should not have winterized you should not have winterized he should not have winterized we should not have winterized you should not have winterized they should not have winterized
V-ing perfect
I should not have been winterizing you should not have been winterizing he should not have been winterizing we should not have been winterizing you should not have been winterizing they should not have been winterizing
Interrogative form
Simple form
should I winterize? should you winterize? should he winterize? should we winterize? should you winterize? should they winterize?
V-ing form
should I be winterizing? should you be winterizing? should he be winterizing? should we be winterizing? should you be winterizing? should they be winterizing?
Perfect
should I have winterized? should you have winterized? should he have winterized? should we have winterized? should you have winterized? should they have winterized?
V-ing perfect
should I have been winterizing? should you have been winterizing? should he have been winterizing? should we have been winterizing? should you have been winterizing? should they have been winterizing?
Interro-negative form
Simple form
should I not winterize? should you not winterize? should he not winterize? should we not winterize? should you not winterize? should they not winterize?
V-ing form
should I not be winterizing? should you not be winterizing? should he not be winterizing? should we not be winterizing? should you not be winterizing? should they not be winterizing?
Perfect
should I not have winterized? should you not have winterized? should he not have winterized? should we not have winterized? should you not have winterized? should they not have winterized?
V-ing perfect
should I not have been winterizing? should you not have been winterizing? should he not have been winterizing? should we not have been winterizing? should you not have been winterizing? should they not have been winterizing?