English verb conjugation COULD QUAKEPROOF

Regular verb: quakeproof - quakeproofed - quakeproofed

Affirmation

Simple form

I could quakeproof
you could quakeproof
she could quakeproof
we could quakeproof
you could quakeproof
they could quakeproof

V-ing form

I could be quakeproofing
you could be quakeproofing
she could be quakeproofing
we could be quakeproofing
you could be quakeproofing
they could be quakeproofing

Perfect

I could have quakeproofed
you could have quakeproofed
she could have quakeproofed
we could have quakeproofed
you could have quakeproofed
they could have quakeproofed

V-ing perfect

I could have been quakeproofing
you could have been quakeproofing
she could have been quakeproofing
we could have been quakeproofing
you could have been quakeproofing
they could have been quakeproofing

Negation

Simple form

I could not quakeproof
you could not quakeproof
she could not quakeproof
we could not quakeproof
you could not quakeproof
they could not quakeproof

V-ing form

I could not be quakeproofing
you could not be quakeproofing
she could not be quakeproofing
we could not be quakeproofing
you could not be quakeproofing
they could not be quakeproofing

Perfect

I could not have quakeproofed
you could not have quakeproofed
she could not have quakeproofed
we could not have quakeproofed
you could not have quakeproofed
they could not have quakeproofed

V-ing perfect

I could not have been quakeproofing
you could not have been quakeproofing
she could not have been quakeproofing
we could not have been quakeproofing
you could not have been quakeproofing
they could not have been quakeproofing

Interrogative form

Simple form

could I quakeproof?
could you quakeproof?
could she quakeproof?
could we quakeproof?
could you quakeproof?
could they quakeproof?

V-ing form

could I be quakeproofing?
could you be quakeproofing?
could she be quakeproofing?
could we be quakeproofing?
could you be quakeproofing?
could they be quakeproofing?

Perfect

could I have quakeproofed?
could you have quakeproofed?
could she have quakeproofed?
could we have quakeproofed?
could you have quakeproofed?
could they have quakeproofed?

V-ing perfect

could I have been quakeproofing?
could you have been quakeproofing?
could she have been quakeproofing?
could we have been quakeproofing?
could you have been quakeproofing?
could they have been quakeproofing?

Interro-negative form

Simple form

could I not quakeproof?
could you not quakeproof?
could she not quakeproof?
could we not quakeproof?
could you not quakeproof?
could they not quakeproof?

V-ing form

could I not be quakeproofing?
could you not be quakeproofing?
could she not be quakeproofing?
could we not be quakeproofing?
could you not be quakeproofing?
could they not be quakeproofing?

Perfect

could I not have quakeproofed?
could you not have quakeproofed?
could she not have quakeproofed?
could we not have quakeproofed?
could you not have quakeproofed?
could they not have quakeproofed?

V-ing perfect

could I not have been quakeproofing?
could you not have been quakeproofing?
could she not have been quakeproofing?
could we not have been quakeproofing?
could you not have been quakeproofing?
could they not have been quakeproofing?

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