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 couldn't vow
you couldn't vow
he couldn't vow
we couldn't vow
you couldn't vow
they couldn't vow

V-ing form

I couldn't be vowing
you couldn't be vowing
he couldn't be vowing
we couldn't be vowing
you couldn't be vowing
they couldn't be vowing

Perfect

I couldn't have vowed
you couldn't have vowed
he couldn't have vowed
we couldn't have vowed
you couldn't have vowed
they couldn't have vowed

V-ing perfect

I couldn't have been vowing
you couldn't have been vowing
he couldn't have been vowing
we couldn't have been vowing
you couldn't have been vowing
they couldn't 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

couldn't I vow?
couldn't you vow?
couldn't he vow?
couldn't we vow?
couldn't you vow?
couldn't they vow?

V-ing form

couldn't I be vowing?
couldn't you be vowing?
couldn't he be vowing?
couldn't we be vowing?
couldn't you be vowing?
couldn't they be vowing?

Perfect

couldn't I have vowed?
couldn't you have vowed?
couldn't he have vowed?
couldn't we have vowed?
couldn't you have vowed?
couldn't they have vowed?

V-ing perfect

couldn't I have been vowing?
couldn't you have been vowing?
couldn't he have been vowing?
couldn't we have been vowing?
couldn't you have been vowing?
couldn't they have been vowing?

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