English verb conjugation COULD DRAUGHT-PROOF

Regular verb: draught-proof - draught-proofed - draught-proofed

Affirmation

Simple form

I could draught-proof
you could draught-proof
he could draught-proof
we could draught-proof
you could draught-proof
they could draught-proof

V-ing form

I could be draught-proofing
you could be draught-proofing
he could be draught-proofing
we could be draught-proofing
you could be draught-proofing
they could be draught-proofing

Perfect

I could have draught-proofed
you could have draught-proofed
he could have draught-proofed
we could have draught-proofed
you could have draught-proofed
they could have draught-proofed

V-ing perfect

I could have been draught-proofing
you could have been draught-proofing
he could have been draught-proofing
we could have been draught-proofing
you could have been draught-proofing
they could have been draught-proofing

Negation

Simple form

I couldn't draught-proof
you couldn't draught-proof
he couldn't draught-proof
we couldn't draught-proof
you couldn't draught-proof
they couldn't draught-proof

V-ing form

I couldn't be draught-proofing
you couldn't be draught-proofing
he couldn't be draught-proofing
we couldn't be draught-proofing
you couldn't be draught-proofing
they couldn't be draught-proofing

Perfect

I couldn't have draught-proofed
you couldn't have draught-proofed
he couldn't have draught-proofed
we couldn't have draught-proofed
you couldn't have draught-proofed
they couldn't have draught-proofed

V-ing perfect

I couldn't have been draught-proofing
you couldn't have been draught-proofing
he couldn't have been draught-proofing
we couldn't have been draught-proofing
you couldn't have been draught-proofing
they couldn't have been draught-proofing

Interrogative form

Simple form

could I draught-proof?
could you draught-proof?
could he draught-proof?
could we draught-proof?
could you draught-proof?
could they draught-proof?

V-ing form

could I be draught-proofing?
could you be draught-proofing?
could he be draught-proofing?
could we be draught-proofing?
could you be draught-proofing?
could they be draught-proofing?

Perfect

could I have draught-proofed?
could you have draught-proofed?
could he have draught-proofed?
could we have draught-proofed?
could you have draught-proofed?
could they have draught-proofed?

V-ing perfect

could I have been draught-proofing?
could you have been draught-proofing?
could he have been draught-proofing?
could we have been draught-proofing?
could you have been draught-proofing?
could they have been draught-proofing?

Interro-negative form

Simple form

couldn't I draught-proof?
couldn't you draught-proof?
couldn't he draught-proof?
couldn't we draught-proof?
couldn't you draught-proof?
couldn't they draught-proof?

V-ing form

couldn't I be draught-proofing?
couldn't you be draught-proofing?
couldn't he be draught-proofing?
couldn't we be draught-proofing?
couldn't you be draught-proofing?
couldn't they be draught-proofing?

Perfect

couldn't I have draught-proofed?
couldn't you have draught-proofed?
couldn't he have draught-proofed?
couldn't we have draught-proofed?
couldn't you have draught-proofed?
couldn't they have draught-proofed?

V-ing perfect

couldn't I have been draught-proofing?
couldn't you have been draught-proofing?
couldn't he have been draught-proofing?
couldn't we have been draught-proofing?
couldn't you have been draught-proofing?
couldn't they have been draught-proofing?

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