I can weatherproof you can weatherproof he can weatherproof we can weatherproof you can weatherproof they can weatherproof
V-ing form
I can be weatherproofing you can be weatherproofing he can be weatherproofing we can be weatherproofing you can be weatherproofing they can be weatherproofing
Perfect
I can have weatherproofed you can have weatherproofed he can have weatherproofed we can have weatherproofed you can have weatherproofed they can have weatherproofed
V-ing perfect
I can have been weatherproofing you can have been weatherproofing he can have been weatherproofing we can have been weatherproofing you can have been weatherproofing they can have been weatherproofing
Negation
Simple form
I can't weatherproof you can't weatherproof he can't weatherproof we can't weatherproof you can't weatherproof they can't weatherproof
V-ing form
I can't be weatherproofing you can't be weatherproofing he can't be weatherproofing we can't be weatherproofing you can't be weatherproofing they can't be weatherproofing
Perfect
I can't have weatherproofed you can't have weatherproofed he can't have weatherproofed we can't have weatherproofed you can't have weatherproofed they can't have weatherproofed
V-ing perfect
I can't have been weatherproofing you can't have been weatherproofing he can't have been weatherproofing we can't have been weatherproofing you can't have been weatherproofing they can't have been weatherproofing
Interrogative form
Simple form
can I weatherproof? can you weatherproof? can he weatherproof? can we weatherproof? can you weatherproof? can they weatherproof?
V-ing form
can I be weatherproofing? can you be weatherproofing? can he be weatherproofing? can we be weatherproofing? can you be weatherproofing? can they be weatherproofing?
Perfect
can I have weatherproofed? can you have weatherproofed? can he have weatherproofed? can we have weatherproofed? can you have weatherproofed? can they have weatherproofed?
V-ing perfect
can I have been weatherproofing? can you have been weatherproofing? can he have been weatherproofing? can we have been weatherproofing? can you have been weatherproofing? can they have been weatherproofing?
Interro-negative form
Simple form
can't I weatherproof? can't you weatherproof? can't he weatherproof? can't we weatherproof? can't you weatherproof? can't they weatherproof?
V-ing form
can't I be weatherproofing? can't you be weatherproofing? can't he be weatherproofing? can't we be weatherproofing? can't you be weatherproofing? can't they be weatherproofing?
Perfect
can't I have weatherproofed? can't you have weatherproofed? can't he have weatherproofed? can't we have weatherproofed? can't you have weatherproofed? can't they have weatherproofed?
V-ing perfect
can't I have been weatherproofing? can't you have been weatherproofing? can't he have been weatherproofing? can't we have been weatherproofing? can't you have been weatherproofing? can't they have been weatherproofing?