English verb conjugation CAN BUFF

Regular verb: buff - buffed - buffed

Affirmation

Simple form

I can buff
you can buff
he can buff
we can buff
you can buff
they can buff

V-ing form

I can be buffing
you can be buffing
he can be buffing
we can be buffing
you can be buffing
they can be buffing

Perfect

I can have buffed
you can have buffed
he can have buffed
we can have buffed
you can have buffed
they can have buffed

V-ing perfect

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

Negation

Simple form

I cannot buff
you cannot buff
he cannot buff
we cannot buff
you cannot buff
they cannot buff

V-ing form

I cannot be buffing
you cannot be buffing
he cannot be buffing
we cannot be buffing
you cannot be buffing
they cannot be buffing

Perfect

I cannot have buffed
you cannot have buffed
he cannot have buffed
we cannot have buffed
you cannot have buffed
they cannot have buffed

V-ing perfect

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

Interrogative form

Simple form

can I buff?
can you buff?
can he buff?
can we buff?
can you buff?
can they buff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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