I can weatherize you can weatherize she can weatherize we can weatherize you can weatherize they can weatherize
V-ing form
I can be weatherizing you can be weatherizing she can be weatherizing we can be weatherizing you can be weatherizing they can be weatherizing
Perfect
I can have weatherized you can have weatherized she can have weatherized we can have weatherized you can have weatherized they can have weatherized
V-ing perfect
I can have been weatherizing you can have been weatherizing she can have been weatherizing we can have been weatherizing you can have been weatherizing they can have been weatherizing
Negation
Simple form
I cannot weatherize you cannot weatherize she cannot weatherize we cannot weatherize you cannot weatherize they cannot weatherize
V-ing form
I cannot be weatherizing you cannot be weatherizing she cannot be weatherizing we cannot be weatherizing you cannot be weatherizing they cannot be weatherizing
Perfect
I cannot have weatherized you cannot have weatherized she cannot have weatherized we cannot have weatherized you cannot have weatherized they cannot have weatherized
V-ing perfect
I cannot have been weatherizing you cannot have been weatherizing she cannot have been weatherizing we cannot have been weatherizing you cannot have been weatherizing they cannot have been weatherizing
Interrogative form
Simple form
can I weatherize? can you weatherize? can she weatherize? can we weatherize? can you weatherize? can they weatherize?
V-ing form
can I be weatherizing? can you be weatherizing? can she be weatherizing? can we be weatherizing? can you be weatherizing? can they be weatherizing?
Perfect
can I have weatherized? can you have weatherized? can she have weatherized? can we have weatherized? can you have weatherized? can they have weatherized?
V-ing perfect
can I have been weatherizing? can you have been weatherizing? can she have been weatherizing? can we have been weatherizing? can you have been weatherizing? can they have been weatherizing?
Interro-negative form
Simple form
can I not weatherize? can you not weatherize? can she not weatherize? can we not weatherize? can you not weatherize? can they not weatherize?
V-ing form
can I not be weatherizing? can you not be weatherizing? can she not be weatherizing? can we not be weatherizing? can you not be weatherizing? can they not be weatherizing?
Perfect
can I not have weatherized? can you not have weatherized? can she not have weatherized? can we not have weatherized? can you not have weatherized? can they not have weatherized?
V-ing perfect
can I not have been weatherizing? can you not have been weatherizing? can she not have been weatherizing? can we not have been weatherizing? can you not have been weatherizing? can they not have been weatherizing?