English verb conjugation COULD WHIRR

Regular verb: whirr - whirred - whirred

Affirmation

Simple form

I could whirr
you could whirr
he could whirr
we could whirr
you could whirr
they could whirr

V-ing form

I could be whirring
you could be whirring
he could be whirring
we could be whirring
you could be whirring
they could be whirring

Perfect

I could have whirred
you could have whirred
he could have whirred
we could have whirred
you could have whirred
they could have whirred

V-ing perfect

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

Negation

Simple form

I could not whirr
you could not whirr
he could not whirr
we could not whirr
you could not whirr
they could not whirr

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I whirr?
could you whirr?
could he whirr?
could we whirr?
could you whirr?
could they whirr?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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