English verb conjugation CAN PI

Regular verb: pi - pied - pied

Affirmation

Simple form

I can pi
you can pi
he can pi
we can pi
you can pi
they can pi

V-ing form

I can be piing
you can be piing
he can be piing
we can be piing
you can be piing
they can be piing

Perfect

I can have pied
you can have pied
he can have pied
we can have pied
you can have pied
they can have pied

V-ing perfect

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

Negation

Simple form

I cannot pi
you cannot pi
he cannot pi
we cannot pi
you cannot pi
they cannot pi

V-ing form

I cannot be piing
you cannot be piing
he cannot be piing
we cannot be piing
you cannot be piing
they cannot be piing

Perfect

I cannot have pied
you cannot have pied
he cannot have pied
we cannot have pied
you cannot have pied
they cannot have pied

V-ing perfect

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

Interrogative form

Simple form

can I pi?
can you pi?
can he pi?
can we pi?
can you pi?
can they pi?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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