English verb conjugation COULD VOW

Regular verb: vow - vowed - vowed

Affirmation

Simple form

I could vow
you could vow
he could vow
we could vow
you could vow
they could vow

V-ing form

I could be vowing
you could be vowing
he could be vowing
we could be vowing
you could be vowing
they could be vowing

Perfect

I could have vowed
you could have vowed
he could have vowed
we could have vowed
you could have vowed
they could have vowed

V-ing perfect

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

Negation

Simple form

I could not vow
you could not vow
he could not vow
we could not vow
you could not vow
they could not vow

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I vow?
could you vow?
could he vow?
could we vow?
could you vow?
could they vow?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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