English verb conjugation COULD QUAKEPROOF

Regular verb: quakeproof - quakeproofed - quakeproofed

Affirmation

Simple form

I could quakeproof
you could quakeproof
he could quakeproof
we could quakeproof
you could quakeproof
they could quakeproof

V-ing form

I could be quakeproofing
you could be quakeproofing
he could be quakeproofing
we could be quakeproofing
you could be quakeproofing
they could be quakeproofing

Perfect

I could have quakeproofed
you could have quakeproofed
he 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
he could have been quakeproofing
we could have been quakeproofing
you could have been quakeproofing
they could have been quakeproofing

Negation

Simple form

I couldn't quakeproof
you couldn't quakeproof
he couldn't quakeproof
we couldn't quakeproof
you couldn't quakeproof
they couldn't quakeproof

V-ing form

I couldn't be quakeproofing
you couldn't be quakeproofing
he couldn't be quakeproofing
we couldn't be quakeproofing
you couldn't be quakeproofing
they couldn't be quakeproofing

Perfect

I couldn't have quakeproofed
you couldn't have quakeproofed
he couldn't have quakeproofed
we couldn't have quakeproofed
you couldn't have quakeproofed
they couldn't have quakeproofed

V-ing perfect

I couldn't have been quakeproofing
you couldn't have been quakeproofing
he couldn't have been quakeproofing
we couldn't have been quakeproofing
you couldn't have been quakeproofing
they couldn't have been quakeproofing

Interrogative form

Simple form

could I quakeproof?
could you quakeproof?
could he quakeproof?
could we quakeproof?
could you quakeproof?
could they quakeproof?

V-ing form

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

Perfect

could I have quakeproofed?
could you have quakeproofed?
could he 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 he have been quakeproofing?
could we have been quakeproofing?
could you have been quakeproofing?
could they have been quakeproofing?

Interro-negative form

Simple form

couldn't I quakeproof?
couldn't you quakeproof?
couldn't he quakeproof?
couldn't we quakeproof?
couldn't you quakeproof?
couldn't they quakeproof?

V-ing form

couldn't I be quakeproofing?
couldn't you be quakeproofing?
couldn't he be quakeproofing?
couldn't we be quakeproofing?
couldn't you be quakeproofing?
couldn't they be quakeproofing?

Perfect

couldn't I have quakeproofed?
couldn't you have quakeproofed?
couldn't he have quakeproofed?
couldn't we have quakeproofed?
couldn't you have quakeproofed?
couldn't they have quakeproofed?

V-ing perfect

couldn't I have been quakeproofing?
couldn't you have been quakeproofing?
couldn't he have been quakeproofing?
couldn't we have been quakeproofing?
couldn't you have been quakeproofing?
couldn't they have been quakeproofing?

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