English verb conjugation MUST VOUCHER

Regular verb: voucher - vouchered - vouchered

Affirmation

Simple form

I must voucher
you must voucher
he must voucher
we must voucher
you must voucher
they must voucher

V-ing form

I must be vouchering
you must be vouchering
he must be vouchering
we must be vouchering
you must be vouchering
they must be vouchering

Perfect

I must have vouchered
you must have vouchered
he must have vouchered
we must have vouchered
you must have vouchered
they must have vouchered

V-ing perfect

I must have been vouchering
you must have been vouchering
he must have been vouchering
we must have been vouchering
you must have been vouchering
they must have been vouchering

Negation

Simple form

I must not voucher
you must not voucher
he must not voucher
we must not voucher
you must not voucher
they must not voucher

V-ing form

I must not be vouchering
you must not be vouchering
he must not be vouchering
we must not be vouchering
you must not be vouchering
they must not be vouchering

Perfect

I must not have vouchered
you must not have vouchered
he must not have vouchered
we must not have vouchered
you must not have vouchered
they must not have vouchered

V-ing perfect

I must not have been vouchering
you must not have been vouchering
he must not have been vouchering
we must not have been vouchering
you must not have been vouchering
they must not have been vouchering

Interrogative form

Simple form

must I voucher?
must you voucher?
must he voucher?
must we voucher?
must you voucher?
must they voucher?

V-ing form

must I be vouchering?
must you be vouchering?
must he be vouchering?
must we be vouchering?
must you be vouchering?
must they be vouchering?

Perfect

must I have vouchered?
must you have vouchered?
must he have vouchered?
must we have vouchered?
must you have vouchered?
must they have vouchered?

V-ing perfect

must I have been vouchering?
must you have been vouchering?
must he have been vouchering?
must we have been vouchering?
must you have been vouchering?
must they have been vouchering?

Interro-negative form

Simple form

must I not voucher?
must you not voucher?
must he not voucher?
must we not voucher?
must you not voucher?
must they not voucher?

V-ing form

must I not be vouchering?
must you not be vouchering?
must he not be vouchering?
must we not be vouchering?
must you not be vouchering?
must they not be vouchering?

Perfect

must I not have vouchered?
must you not have vouchered?
must he not have vouchered?
must we not have vouchered?
must you not have vouchered?
must they not have vouchered?

V-ing perfect

must I not have been vouchering?
must you not have been vouchering?
must he not have been vouchering?
must we not have been vouchering?
must you not have been vouchering?
must they not have been vouchering?

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