English verb conjugation
CAN QUAKEPROOF

Regular verb: quakeproof - quakeproofed - quakeproofed

Affirmation

Simple form	V-ing form
I can quakeproof you can quakeproof he can quakeproof we can quakeproof you can quakeproof they can quakeproof	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	V-ing 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	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	V-ing form
I can't quakeproof you can't quakeproof he can't quakeproof we can't quakeproof you can't quakeproof they can't quakeproof	I can't be quakeproofing you can't be quakeproofing he can't be quakeproofing we can't be quakeproofing you can't be quakeproofing they can't be quakeproofing
Perfect	V-ing perfect
I can't have quakeproofed you can't have quakeproofed he can't have quakeproofed we can't have quakeproofed you can't have quakeproofed they can't have quakeproofed	I can't have been quakeproofing you can't have been quakeproofing he can't have been quakeproofing we can't have been quakeproofing you can't have been quakeproofing they can't have been quakeproofing

Interrogative form

Simple form	V-ing form
can I quakeproof? can you quakeproof? can he quakeproof? can we quakeproof? can you quakeproof? can they quakeproof?	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	V-ing 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?	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	V-ing form
can't I quakeproof? can't you quakeproof? can't he quakeproof? can't we quakeproof? can't you quakeproof? can't they quakeproof?	can't I be quakeproofing? can't you be quakeproofing? can't he be quakeproofing? can't we be quakeproofing? can't you be quakeproofing? can't they be quakeproofing?
Perfect	V-ing perfect
can't I have quakeproofed? can't you have quakeproofed? can't he have quakeproofed? can't we have quakeproofed? can't you have quakeproofed? can't they have quakeproofed?	can't I have been quakeproofing? can't you have been quakeproofing? can't he have been quakeproofing? can't we have been quakeproofing? can't you have been quakeproofing? can't they have been quakeproofing?