English verb conjugation
CAN WEATHERPROOF

Regular verb: weatherproof - weatherproofed - weatherproofed

Affirmation

Simple form	V-ing form
I can weatherproof you can weatherproof she can weatherproof we can weatherproof you can weatherproof they can weatherproof	I can be weatherproofing you can be weatherproofing she can be weatherproofing we can be weatherproofing you can be weatherproofing they can be weatherproofing
Perfect	V-ing perfect
I can have weatherproofed you can have weatherproofed she can have weatherproofed we can have weatherproofed you can have weatherproofed they can have weatherproofed	I can have been weatherproofing you can have been weatherproofing she can have been weatherproofing we can have been weatherproofing you can have been weatherproofing they can have been weatherproofing

Negation

Simple form	V-ing form
I cannot weatherproof you cannot weatherproof she cannot weatherproof we cannot weatherproof you cannot weatherproof they cannot weatherproof	I cannot be weatherproofing you cannot be weatherproofing she cannot be weatherproofing we cannot be weatherproofing you cannot be weatherproofing they cannot be weatherproofing
Perfect	V-ing perfect
I cannot have weatherproofed you cannot have weatherproofed she cannot have weatherproofed we cannot have weatherproofed you cannot have weatherproofed they cannot have weatherproofed	I cannot have been weatherproofing you cannot have been weatherproofing she cannot have been weatherproofing we cannot have been weatherproofing you cannot have been weatherproofing they cannot have been weatherproofing

Interrogative form

Simple form	V-ing form
can I weatherproof? can you weatherproof? can she weatherproof? can we weatherproof? can you weatherproof? can they weatherproof?	can I be weatherproofing? can you be weatherproofing? can she be weatherproofing? can we be weatherproofing? can you be weatherproofing? can they be weatherproofing?
Perfect	V-ing perfect
can I have weatherproofed? can you have weatherproofed? can she have weatherproofed? can we have weatherproofed? can you have weatherproofed? can they have weatherproofed?	can I have been weatherproofing? can you have been weatherproofing? can she have been weatherproofing? can we have been weatherproofing? can you have been weatherproofing? can they have been weatherproofing?

Interro-negative form

Simple form	V-ing form
can I not weatherproof? can you not weatherproof? can she not weatherproof? can we not weatherproof? can you not weatherproof? can they not weatherproof?	can I not be weatherproofing? can you not be weatherproofing? can she not be weatherproofing? can we not be weatherproofing? can you not be weatherproofing? can they not be weatherproofing?
Perfect	V-ing perfect
can I not have weatherproofed? can you not have weatherproofed? can she not have weatherproofed? can we not have weatherproofed? can you not have weatherproofed? can they not have weatherproofed?	can I not have been weatherproofing? can you not have been weatherproofing? can she not have been weatherproofing? can we not have been weatherproofing? can you not have been weatherproofing? can they not have been weatherproofing?