English verb conjugation COULD SCUBA

Regular verb: scuba - scubaed - scubaed

Affirmation

Simple form

I could scuba
you could scuba
he could scuba
we could scuba
you could scuba
they could scuba

V-ing form

I could be scubaing
you could be scubaing
he could be scubaing
we could be scubaing
you could be scubaing
they could be scubaing

Perfect

I could have scubaed
you could have scubaed
he could have scubaed
we could have scubaed
you could have scubaed
they could have scubaed

V-ing perfect

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

Negation

Simple form

I could not scuba
you could not scuba
he could not scuba
we could not scuba
you could not scuba
they could not scuba

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I scuba?
could you scuba?
could he scuba?
could we scuba?
could you scuba?
could they scuba?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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