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 couldn't quakeproof
you couldn't quakeproof
she 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
she 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
she 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
she 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 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

couldn't I quakeproof?
couldn't you quakeproof?
couldn't she 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 she 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 she 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 she 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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