English verb conjugation CAN GUFFAW

Regular verb: guffaw - guffawed - guffawed

Affirmation

Simple form

I can guffaw
you can guffaw
he can guffaw
we can guffaw
you can guffaw
they can guffaw

V-ing form

I can be guffawing
you can be guffawing
he can be guffawing
we can be guffawing
you can be guffawing
they can be guffawing

Perfect

I can have guffawed
you can have guffawed
he can have guffawed
we can have guffawed
you can have guffawed
they can have guffawed

V-ing perfect

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

Negation

Simple form

I cannot guffaw
you cannot guffaw
he cannot guffaw
we cannot guffaw
you cannot guffaw
they cannot guffaw

V-ing form

I cannot be guffawing
you cannot be guffawing
he cannot be guffawing
we cannot be guffawing
you cannot be guffawing
they cannot be guffawing

Perfect

I cannot have guffawed
you cannot have guffawed
he cannot have guffawed
we cannot have guffawed
you cannot have guffawed
they cannot have guffawed

V-ing perfect

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

Interrogative form

Simple form

can I guffaw?
can you guffaw?
can he guffaw?
can we guffaw?
can you guffaw?
can they guffaw?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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