English verb conjugation COULD VACILLATE

Regular verb: vacillate - vacillated - vacillated

Affirmation

Simple form

I could vacillate
you could vacillate
she could vacillate
we could vacillate
you could vacillate
they could vacillate

V-ing form

I could be vacillating
you could be vacillating
she could be vacillating
we could be vacillating
you could be vacillating
they could be vacillating

Perfect

I could have vacillated
you could have vacillated
she could have vacillated
we could have vacillated
you could have vacillated
they could have vacillated

V-ing perfect

I could have been vacillating
you could have been vacillating
she could have been vacillating
we could have been vacillating
you could have been vacillating
they could have been vacillating

Negation

Simple form

I couldn't vacillate
you couldn't vacillate
she couldn't vacillate
we couldn't vacillate
you couldn't vacillate
they couldn't vacillate

V-ing form

I couldn't be vacillating
you couldn't be vacillating
she couldn't be vacillating
we couldn't be vacillating
you couldn't be vacillating
they couldn't be vacillating

Perfect

I couldn't have vacillated
you couldn't have vacillated
she couldn't have vacillated
we couldn't have vacillated
you couldn't have vacillated
they couldn't have vacillated

V-ing perfect

I couldn't have been vacillating
you couldn't have been vacillating
she couldn't have been vacillating
we couldn't have been vacillating
you couldn't have been vacillating
they couldn't have been vacillating

Interrogative form

Simple form

could I vacillate?
could you vacillate?
could she vacillate?
could we vacillate?
could you vacillate?
could they vacillate?

V-ing form

could I be vacillating?
could you be vacillating?
could she be vacillating?
could we be vacillating?
could you be vacillating?
could they be vacillating?

Perfect

could I have vacillated?
could you have vacillated?
could she have vacillated?
could we have vacillated?
could you have vacillated?
could they have vacillated?

V-ing perfect

could I have been vacillating?
could you have been vacillating?
could she have been vacillating?
could we have been vacillating?
could you have been vacillating?
could they have been vacillating?

Interro-negative form

Simple form

couldn't I vacillate?
couldn't you vacillate?
couldn't she vacillate?
couldn't we vacillate?
couldn't you vacillate?
couldn't they vacillate?

V-ing form

couldn't I be vacillating?
couldn't you be vacillating?
couldn't she be vacillating?
couldn't we be vacillating?
couldn't you be vacillating?
couldn't they be vacillating?

Perfect

couldn't I have vacillated?
couldn't you have vacillated?
couldn't she have vacillated?
couldn't we have vacillated?
couldn't you have vacillated?
couldn't they have vacillated?

V-ing perfect

couldn't I have been vacillating?
couldn't you have been vacillating?
couldn't she have been vacillating?
couldn't we have been vacillating?
couldn't you have been vacillating?
couldn't they have been vacillating?

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