English verb conjugation CAN CONCUR

Regular verb: concur - concurred - concurred

Affirmation

Simple form

I can concur
you can concur
he can concur
we can concur
you can concur
they can concur

V-ing form

I can be concurring
you can be concurring
he can be concurring
we can be concurring
you can be concurring
they can be concurring

Perfect

I can have concurred
you can have concurred
he can have concurred
we can have concurred
you can have concurred
they can have concurred

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I concur?
can you concur?
can he concur?
can we concur?
can you concur?
can they concur?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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