English verb conjugation CAN VOUCH

Regular verb: vouch - vouched - vouched

Affirmation

Simple form

I can vouch
you can vouch
he can vouch
we can vouch
you can vouch
they can vouch

V-ing form

I can be vouching
you can be vouching
he can be vouching
we can be vouching
you can be vouching
they can be vouching

Perfect

I can have vouched
you can have vouched
he can have vouched
we can have vouched
you can have vouched
they can have vouched

V-ing perfect

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

Negation

Simple form

I cannot vouch
you cannot vouch
he cannot vouch
we cannot vouch
you cannot vouch
they cannot vouch

V-ing form

I cannot be vouching
you cannot be vouching
he cannot be vouching
we cannot be vouching
you cannot be vouching
they cannot be vouching

Perfect

I cannot have vouched
you cannot have vouched
he cannot have vouched
we cannot have vouched
you cannot have vouched
they cannot have vouched

V-ing perfect

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

Interrogative form

Simple form

can I vouch?
can you vouch?
can he vouch?
can we vouch?
can you vouch?
can they vouch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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