English verb conjugation COULD PROFFER

Regular verb: proffer - proffered - proffered

Affirmation

Simple form

I could proffer
you could proffer
she could proffer
we could proffer
you could proffer
they could proffer

V-ing form

I could be proffering
you could be proffering
she could be proffering
we could be proffering
you could be proffering
they could be proffering

Perfect

I could have proffered
you could have proffered
she 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
she 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
she 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
she 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
she 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
she 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 she proffer?
could we proffer?
could you proffer?
could they proffer?

V-ing form

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

Perfect

could I have proffered?
could you have proffered?
could she 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 she 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 she 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 she 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 she 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 she 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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