English verb conjugation COULD CONCUR

Regular verb: concur - concurred - concurred

Affirmation

Simple form

I could concur
you could concur
he could concur
we could concur
you could concur
they could concur

V-ing form

I could be concurring
you could be concurring
he could be concurring
we could be concurring
you could be concurring
they could be concurring

Perfect

I could have concurred
you could have concurred
he could have concurred
we could have concurred
you could have concurred
they could have concurred

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I concur?
could you concur?
could he concur?
could we concur?
could you concur?
could they concur?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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