English verb conjugation COULD PROFFER

Regular verb: proffer - proffered - proffered

Affirmation

Simple form

I could proffer
you could proffer
he could proffer
we could proffer
you could proffer
they could proffer

V-ing form

I could be proffering
you could be proffering
he could be proffering
we could be proffering
you could be proffering
they could be proffering

Perfect

I could have proffered
you could have proffered
he could have proffered
we could have proffered
you could have proffered
they could have proffered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I proffer?
could you proffer?
could he proffer?
could we proffer?
could you proffer?
could they proffer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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