English verb conjugation CAN PERFORM

Regular verb: perform - performed - performed

Affirmation

Simple form

I can perform
you can perform
he can perform
we can perform
you can perform
they can perform

V-ing form

I can be performing
you can be performing
he can be performing
we can be performing
you can be performing
they can be performing

Perfect

I can have performed
you can have performed
he can have performed
we can have performed
you can have performed
they can have performed

V-ing perfect

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

Negation

Simple form

I cannot perform
you cannot perform
he cannot perform
we cannot perform
you cannot perform
they cannot perform

V-ing form

I cannot be performing
you cannot be performing
he cannot be performing
we cannot be performing
you cannot be performing
they cannot be performing

Perfect

I cannot have performed
you cannot have performed
he cannot have performed
we cannot have performed
you cannot have performed
they cannot have performed

V-ing perfect

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

Interrogative form

Simple form

can I perform?
can you perform?
can he perform?
can we perform?
can you perform?
can they perform?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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