English verb conjugation CAN BURR

Regular verb: burr - burred - burred

Affirmation

Simple form

I can burr
you can burr
he can burr
we can burr
you can burr
they can burr

V-ing form

I can be burring
you can be burring
he can be burring
we can be burring
you can be burring
they can be burring

Perfect

I can have burred
you can have burred
he can have burred
we can have burred
you can have burred
they can have burred

V-ing perfect

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

Negation

Simple form

I cannot burr
you cannot burr
he cannot burr
we cannot burr
you cannot burr
they cannot burr

V-ing form

I cannot be burring
you cannot be burring
he cannot be burring
we cannot be burring
you cannot be burring
they cannot be burring

Perfect

I cannot have burred
you cannot have burred
he cannot have burred
we cannot have burred
you cannot have burred
they cannot have burred

V-ing perfect

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

Interrogative form

Simple form

can I burr?
can you burr?
can he burr?
can we burr?
can you burr?
can they burr?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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