English verb conjugation COULD CHIRR

Regular verb: chirr - chirred - chirred

Affirmation

Simple form

I could chirr
you could chirr
he could chirr
we could chirr
you could chirr
they could chirr

V-ing form

I could be chirring
you could be chirring
he could be chirring
we could be chirring
you could be chirring
they could be chirring

Perfect

I could have chirred
you could have chirred
he could have chirred
we could have chirred
you could have chirred
they could have chirred

V-ing perfect

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

Negation

Simple form

I could not chirr
you could not chirr
he could not chirr
we could not chirr
you could not chirr
they could not chirr

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I chirr?
could you chirr?
could he chirr?
could we chirr?
could you chirr?
could they chirr?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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