English verb conjugation CAN PERK

Regular verb: perk - perked - perked

Affirmation

Simple form

I can perk
you can perk
she can perk
we can perk
you can perk
they can perk

V-ing form

I can be perking
you can be perking
she can be perking
we can be perking
you can be perking
they can be perking

Perfect

I can have perked
you can have perked
she can have perked
we can have perked
you can have perked
they can have perked

V-ing perfect

I can have been perking
you can have been perking
she can have been perking
we can have been perking
you can have been perking
they can have been perking

Negation

Simple form

I cannot perk
you cannot perk
she cannot perk
we cannot perk
you cannot perk
they cannot perk

V-ing form

I cannot be perking
you cannot be perking
she cannot be perking
we cannot be perking
you cannot be perking
they cannot be perking

Perfect

I cannot have perked
you cannot have perked
she cannot have perked
we cannot have perked
you cannot have perked
they cannot have perked

V-ing perfect

I cannot have been perking
you cannot have been perking
she cannot have been perking
we cannot have been perking
you cannot have been perking
they cannot have been perking

Interrogative form

Simple form

can I perk?
can you perk?
can she perk?
can we perk?
can you perk?
can they perk?

V-ing form

can I be perking?
can you be perking?
can she be perking?
can we be perking?
can you be perking?
can they be perking?

Perfect

can I have perked?
can you have perked?
can she have perked?
can we have perked?
can you have perked?
can they have perked?

V-ing perfect

can I have been perking?
can you have been perking?
can she have been perking?
can we have been perking?
can you have been perking?
can they have been perking?

Interro-negative form

Simple form

can I not perk?
can you not perk?
can she not perk?
can we not perk?
can you not perk?
can they not perk?

V-ing form

can I not be perking?
can you not be perking?
can she not be perking?
can we not be perking?
can you not be perking?
can they not be perking?

Perfect

can I not have perked?
can you not have perked?
can she not have perked?
can we not have perked?
can you not have perked?
can they not have perked?

V-ing perfect

can I not have been perking?
can you not have been perking?
can she not have been perking?
can we not have been perking?
can you not have been perking?
can they not have been perking?

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