English verb conjugation CAN PROOF

Regular verb: proof - proofed - proofed

Affirmation

Simple form

I can proof
you can proof
he can proof
we can proof
you can proof
they can proof

V-ing form

I can be proofing
you can be proofing
he can be proofing
we can be proofing
you can be proofing
they can be proofing

Perfect

I can have proofed
you can have proofed
he can have proofed
we can have proofed
you can have proofed
they can have proofed

V-ing perfect

I can have been proofing
you can have been proofing
he can have been proofing
we can have been proofing
you can have been proofing
they can have been proofing

Negation

Simple form

I can't proof
you can't proof
he can't proof
we can't proof
you can't proof
they can't proof

V-ing form

I can't be proofing
you can't be proofing
he can't be proofing
we can't be proofing
you can't be proofing
they can't be proofing

Perfect

I can't have proofed
you can't have proofed
he can't have proofed
we can't have proofed
you can't have proofed
they can't have proofed

V-ing perfect

I can't have been proofing
you can't have been proofing
he can't have been proofing
we can't have been proofing
you can't have been proofing
they can't have been proofing

Interrogative form

Simple form

can I proof?
can you proof?
can he proof?
can we proof?
can you proof?
can they proof?

V-ing form

can I be proofing?
can you be proofing?
can he be proofing?
can we be proofing?
can you be proofing?
can they be proofing?

Perfect

can I have proofed?
can you have proofed?
can he have proofed?
can we have proofed?
can you have proofed?
can they have proofed?

V-ing perfect

can I have been proofing?
can you have been proofing?
can he have been proofing?
can we have been proofing?
can you have been proofing?
can they have been proofing?

Interro-negative form

Simple form

can't I proof?
can't you proof?
can't he proof?
can't we proof?
can't you proof?
can't they proof?

V-ing form

can't I be proofing?
can't you be proofing?
can't he be proofing?
can't we be proofing?
can't you be proofing?
can't they be proofing?

Perfect

can't I have proofed?
can't you have proofed?
can't he have proofed?
can't we have proofed?
can't you have proofed?
can't they have proofed?

V-ing perfect

can't I have been proofing?
can't you have been proofing?
can't he have been proofing?
can't we have been proofing?
can't you have been proofing?
can't they have been proofing?

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