English verb conjugation CAN VACILLATE

Regular verb: vacillate - vacillated - vacillated

Affirmation

Simple form

I can vacillate
you can vacillate
he can vacillate
we can vacillate
you can vacillate
they can vacillate

V-ing form

I can be vacillating
you can be vacillating
he can be vacillating
we can be vacillating
you can be vacillating
they can be vacillating

Perfect

I can have vacillated
you can have vacillated
he can have vacillated
we can have vacillated
you can have vacillated
they can have vacillated

V-ing perfect

I can have been vacillating
you can have been vacillating
he can have been vacillating
we can have been vacillating
you can have been vacillating
they can have been vacillating

Negation

Simple form

I cannot vacillate
you cannot vacillate
he cannot vacillate
we cannot vacillate
you cannot vacillate
they cannot vacillate

V-ing form

I cannot be vacillating
you cannot be vacillating
he cannot be vacillating
we cannot be vacillating
you cannot be vacillating
they cannot be vacillating

Perfect

I cannot have vacillated
you cannot have vacillated
he cannot have vacillated
we cannot have vacillated
you cannot have vacillated
they cannot have vacillated

V-ing perfect

I cannot have been vacillating
you cannot have been vacillating
he cannot have been vacillating
we cannot have been vacillating
you cannot have been vacillating
they cannot have been vacillating

Interrogative form

Simple form

can I vacillate?
can you vacillate?
can he vacillate?
can we vacillate?
can you vacillate?
can they vacillate?

V-ing form

can I be vacillating?
can you be vacillating?
can he be vacillating?
can we be vacillating?
can you be vacillating?
can they be vacillating?

Perfect

can I have vacillated?
can you have vacillated?
can he have vacillated?
can we have vacillated?
can you have vacillated?
can they have vacillated?

V-ing perfect

can I have been vacillating?
can you have been vacillating?
can he have been vacillating?
can we have been vacillating?
can you have been vacillating?
can they have been vacillating?

Interro-negative form

Simple form

can I not vacillate?
can you not vacillate?
can he not vacillate?
can we not vacillate?
can you not vacillate?
can they not vacillate?

V-ing form

can I not be vacillating?
can you not be vacillating?
can he not be vacillating?
can we not be vacillating?
can you not be vacillating?
can they not be vacillating?

Perfect

can I not have vacillated?
can you not have vacillated?
can he not have vacillated?
can we not have vacillated?
can you not have vacillated?
can they not have vacillated?

V-ing perfect

can I not have been vacillating?
can you not have been vacillating?
can he not have been vacillating?
can we not have been vacillating?
can you not have been vacillating?
can they not have been vacillating?

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