English verb conjugation COULD VOUCHER

Regular verb: voucher - vouchered - vouchered

Affirmation

Simple form

I could voucher
you could voucher
he could voucher
we could voucher
you could voucher
they could voucher

V-ing form

I could be vouchering
you could be vouchering
he could be vouchering
we could be vouchering
you could be vouchering
they could be vouchering

Perfect

I could have vouchered
you could have vouchered
he could have vouchered
we could have vouchered
you could have vouchered
they could have vouchered

V-ing perfect

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

Negation

Simple form

I couldn't voucher
you couldn't voucher
he couldn't voucher
we couldn't voucher
you couldn't voucher
they couldn't voucher

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I voucher?
could you voucher?
could he voucher?
could we voucher?
could you voucher?
could they voucher?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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