English verb conjugation COULD DRAB

Regular verb: drab - drabed - drabed

Affirmation

Simple form

I could drab
you could drab
he could drab
we could drab
you could drab
they could drab

V-ing form

I could be drabing
you could be drabing
he could be drabing
we could be drabing
you could be drabing
they could be drabing

Perfect

I could have drabed
you could have drabed
he could have drabed
we could have drabed
you could have drabed
they could have drabed

V-ing perfect

I could have been drabing
you could have been drabing
he could have been drabing
we could have been drabing
you could have been drabing
they could have been drabing

Negation

Simple form

I could not drab
you could not drab
he could not drab
we could not drab
you could not drab
they could not drab

V-ing form

I could not be drabing
you could not be drabing
he could not be drabing
we could not be drabing
you could not be drabing
they could not be drabing

Perfect

I could not have drabed
you could not have drabed
he could not have drabed
we could not have drabed
you could not have drabed
they could not have drabed

V-ing perfect

I could not have been drabing
you could not have been drabing
he could not have been drabing
we could not have been drabing
you could not have been drabing
they could not have been drabing

Interrogative form

Simple form

could I drab?
could you drab?
could he drab?
could we drab?
could you drab?
could they drab?

V-ing form

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

Perfect

could I have drabed?
could you have drabed?
could he have drabed?
could we have drabed?
could you have drabed?
could they have drabed?

V-ing perfect

could I have been drabing?
could you have been drabing?
could he have been drabing?
could we have been drabing?
could you have been drabing?
could they have been drabing?

Interro-negative form

Simple form

could I not drab?
could you not drab?
could he not drab?
could we not drab?
could you not drab?
could they not drab?

V-ing form

could I not be drabing?
could you not be drabing?
could he not be drabing?
could we not be drabing?
could you not be drabing?
could they not be drabing?

Perfect

could I not have drabed?
could you not have drabed?
could he not have drabed?
could we not have drabed?
could you not have drabed?
could they not have drabed?

V-ing perfect

could I not have been drabing?
could you not have been drabing?
could he not have been drabing?
could we not have been drabing?
could you not have been drabing?
could they not have been drabing?

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