English verb conjugation CAN CONCUSS

Regular verb: concuss - concussed - concussed

Affirmation

Simple form

I can concuss
you can concuss
he can concuss
we can concuss
you can concuss
they can concuss

V-ing form

I can be concussing
you can be concussing
he can be concussing
we can be concussing
you can be concussing
they can be concussing

Perfect

I can have concussed
you can have concussed
he can have concussed
we can have concussed
you can have concussed
they can have concussed

V-ing perfect

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

Negation

Simple form

I cannot concuss
you cannot concuss
he cannot concuss
we cannot concuss
you cannot concuss
they cannot concuss

V-ing form

I cannot be concussing
you cannot be concussing
he cannot be concussing
we cannot be concussing
you cannot be concussing
they cannot be concussing

Perfect

I cannot have concussed
you cannot have concussed
he cannot have concussed
we cannot have concussed
you cannot have concussed
they cannot have concussed

V-ing perfect

I cannot have been concussing
you cannot have been concussing
he cannot have been concussing
we cannot have been concussing
you cannot have been concussing
they cannot have been concussing

Interrogative form

Simple form

can I concuss?
can you concuss?
can he concuss?
can we concuss?
can you concuss?
can they concuss?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can I not concuss?
can you not concuss?
can he not concuss?
can we not concuss?
can you not concuss?
can they not concuss?

V-ing form

can I not be concussing?
can you not be concussing?
can he not be concussing?
can we not be concussing?
can you not be concussing?
can they not be concussing?

Perfect

can I not have concussed?
can you not have concussed?
can he not have concussed?
can we not have concussed?
can you not have concussed?
can they not have concussed?

V-ing perfect

can I not have been concussing?
can you not have been concussing?
can he not have been concussing?
can we not have been concussing?
can you not have been concussing?
can they not have been concussing?

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