English verb conjugation
CAN WINTERIZE

Regular verb: winterize - winterized - winterized

Affirmation

Simple form	V-ing form
I can winterize you can winterize he can winterize we can winterize you can winterize they can winterize	I can be winterizing you can be winterizing he can be winterizing we can be winterizing you can be winterizing they can be winterizing
Perfect	V-ing perfect
I can have winterized you can have winterized he can have winterized we can have winterized you can have winterized they can have winterized	I can have been winterizing you can have been winterizing he can have been winterizing we can have been winterizing you can have been winterizing they can have been winterizing

Negation

Simple form	V-ing form
I cannot winterize you cannot winterize he cannot winterize we cannot winterize you cannot winterize they cannot winterize	I cannot be winterizing you cannot be winterizing he cannot be winterizing we cannot be winterizing you cannot be winterizing they cannot be winterizing
Perfect	V-ing perfect
I cannot have winterized you cannot have winterized he cannot have winterized we cannot have winterized you cannot have winterized they cannot have winterized	I cannot have been winterizing you cannot have been winterizing he cannot have been winterizing we cannot have been winterizing you cannot have been winterizing they cannot have been winterizing

Interrogative form

Simple form	V-ing form
can I winterize? can you winterize? can he winterize? can we winterize? can you winterize? can they winterize?	can I be winterizing? can you be winterizing? can he be winterizing? can we be winterizing? can you be winterizing? can they be winterizing?
Perfect	V-ing perfect
can I have winterized? can you have winterized? can he have winterized? can we have winterized? can you have winterized? can they have winterized?	can I have been winterizing? can you have been winterizing? can he have been winterizing? can we have been winterizing? can you have been winterizing? can they have been winterizing?

Interro-negative form

Simple form	V-ing form
can I not winterize? can you not winterize? can he not winterize? can we not winterize? can you not winterize? can they not winterize?	can I not be winterizing? can you not be winterizing? can he not be winterizing? can we not be winterizing? can you not be winterizing? can they not be winterizing?
Perfect	V-ing perfect
can I not have winterized? can you not have winterized? can he not have winterized? can we not have winterized? can you not have winterized? can they not have winterized?	can I not have been winterizing? can you not have been winterizing? can he not have been winterizing? can we not have been winterizing? can you not have been winterizing? can they not have been winterizing?