English verb conjugation COULD PERCUSS

Regular verb: percuss - percussed - percussed

Affirmation

Simple form

I could percuss
you could percuss
he could percuss
we could percuss
you could percuss
they could percuss

V-ing form

I could be percussing
you could be percussing
he could be percussing
we could be percussing
you could be percussing
they could be percussing

Perfect

I could have percussed
you could have percussed
he could have percussed
we could have percussed
you could have percussed
they could have percussed

V-ing perfect

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

Negation

Simple form

I could not percuss
you could not percuss
he could not percuss
we could not percuss
you could not percuss
they could not percuss

V-ing form

I could not be percussing
you could not be percussing
he could not be percussing
we could not be percussing
you could not be percussing
they could not be percussing

Perfect

I could not have percussed
you could not have percussed
he could not have percussed
we could not have percussed
you could not have percussed
they could not have percussed

V-ing perfect

I could not have been percussing
you could not have been percussing
he could not have been percussing
we could not have been percussing
you could not have been percussing
they could not have been percussing

Interrogative form

Simple form

could I percuss?
could you percuss?
could he percuss?
could we percuss?
could you percuss?
could they percuss?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not percuss?
could you not percuss?
could he not percuss?
could we not percuss?
could you not percuss?
could they not percuss?

V-ing form

could I not be percussing?
could you not be percussing?
could he not be percussing?
could we not be percussing?
could you not be percussing?
could they not be percussing?

Perfect

could I not have percussed?
could you not have percussed?
could he not have percussed?
could we not have percussed?
could you not have percussed?
could they not have percussed?

V-ing perfect

could I not have been percussing?
could you not have been percussing?
could he not have been percussing?
could we not have been percussing?
could you not have been percussing?
could they not have been percussing?

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