I can quakeproof you can quakeproof he can quakeproof we can quakeproof you can quakeproof they can quakeproof
V-ing form
I can be quakeproofing you can be quakeproofing he can be quakeproofing we can be quakeproofing you can be quakeproofing they can be quakeproofing
Perfect
I can have quakeproofed you can have quakeproofed he can have quakeproofed we can have quakeproofed you can have quakeproofed they can have quakeproofed
V-ing perfect
I can have been quakeproofing you can have been quakeproofing he can have been quakeproofing we can have been quakeproofing you can have been quakeproofing they can have been quakeproofing
Negation
Simple form
I cannot quakeproof you cannot quakeproof he cannot quakeproof we cannot quakeproof you cannot quakeproof they cannot quakeproof
V-ing form
I cannot be quakeproofing you cannot be quakeproofing he cannot be quakeproofing we cannot be quakeproofing you cannot be quakeproofing they cannot be quakeproofing
Perfect
I cannot have quakeproofed you cannot have quakeproofed he cannot have quakeproofed we cannot have quakeproofed you cannot have quakeproofed they cannot have quakeproofed
V-ing perfect
I cannot have been quakeproofing you cannot have been quakeproofing he cannot have been quakeproofing we cannot have been quakeproofing you cannot have been quakeproofing they cannot have been quakeproofing
Interrogative form
Simple form
can I quakeproof? can you quakeproof? can he quakeproof? can we quakeproof? can you quakeproof? can they quakeproof?
V-ing form
can I be quakeproofing? can you be quakeproofing? can he be quakeproofing? can we be quakeproofing? can you be quakeproofing? can they be quakeproofing?
Perfect
can I have quakeproofed? can you have quakeproofed? can he have quakeproofed? can we have quakeproofed? can you have quakeproofed? can they have quakeproofed?
V-ing perfect
can I have been quakeproofing? can you have been quakeproofing? can he have been quakeproofing? can we have been quakeproofing? can you have been quakeproofing? can they have been quakeproofing?
Interro-negative form
Simple form
can I not quakeproof? can you not quakeproof? can he not quakeproof? can we not quakeproof? can you not quakeproof? can they not quakeproof?
V-ing form
can I not be quakeproofing? can you not be quakeproofing? can he not be quakeproofing? can we not be quakeproofing? can you not be quakeproofing? can they not be quakeproofing?
Perfect
can I not have quakeproofed? can you not have quakeproofed? can he not have quakeproofed? can we not have quakeproofed? can you not have quakeproofed? can they not have quakeproofed?
V-ing perfect
can I not have been quakeproofing? can you not have been quakeproofing? can he not have been quakeproofing? can we not have been quakeproofing? can you not have been quakeproofing? can they not have been quakeproofing?