English verb conjugation COULD CONVINCE

Regular verb: convince - convinced - convinced

Affirmation

Simple form

I could convince
you could convince
she could convince
we could convince
you could convince
they could convince

V-ing form

I could be convincing
you could be convincing
she could be convincing
we could be convincing
you could be convincing
they could be convincing

Perfect

I could have convinced
you could have convinced
she could have convinced
we could have convinced
you could have convinced
they could have convinced

V-ing perfect

I could have been convincing
you could have been convincing
she could have been convincing
we could have been convincing
you could have been convincing
they could have been convincing

Negation

Simple form

I could not convince
you could not convince
she could not convince
we could not convince
you could not convince
they could not convince

V-ing form

I could not be convincing
you could not be convincing
she could not be convincing
we could not be convincing
you could not be convincing
they could not be convincing

Perfect

I could not have convinced
you could not have convinced
she could not have convinced
we could not have convinced
you could not have convinced
they could not have convinced

V-ing perfect

I could not have been convincing
you could not have been convincing
she could not have been convincing
we could not have been convincing
you could not have been convincing
they could not have been convincing

Interrogative form

Simple form

could I convince?
could you convince?
could she convince?
could we convince?
could you convince?
could they convince?

V-ing form

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

Perfect

could I have convinced?
could you have convinced?
could she have convinced?
could we have convinced?
could you have convinced?
could they have convinced?

V-ing perfect

could I have been convincing?
could you have been convincing?
could she have been convincing?
could we have been convincing?
could you have been convincing?
could they have been convincing?

Interro-negative form

Simple form

could I not convince?
could you not convince?
could she not convince?
could we not convince?
could you not convince?
could they not convince?

V-ing form

could I not be convincing?
could you not be convincing?
could she not be convincing?
could we not be convincing?
could you not be convincing?
could they not be convincing?

Perfect

could I not have convinced?
could you not have convinced?
could she not have convinced?
could we not have convinced?
could you not have convinced?
could they not have convinced?

V-ing perfect

could I not have been convincing?
could you not have been convincing?
could she not have been convincing?
could we not have been convincing?
could you not have been convincing?
could they not have been convincing?

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