English verb conjugation COULD PERCUSS

Regular verb: percuss - percussed - percussed

Affirmation

Simple form

I could percuss
you could percuss
she could percuss
we could percuss
you could percuss
they could percuss

V-ing form

I could be percussing
you could be percussing
she could be percussing
we could be percussing
you could be percussing
they could be percussing

Perfect

I could have percussed
you could have percussed
she 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
she 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
she 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
she 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
she 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
she 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 she percuss?
could we percuss?
could you percuss?
could they percuss?

V-ing form

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

Perfect

could I have percussed?
could you have percussed?
could she 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 she 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 she 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 she 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 she 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 she 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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