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 can't guffaw
you can't guffaw
he can't guffaw
we can't guffaw
you can't guffaw
they can't guffaw

V-ing form

I can't be guffawing
you can't be guffawing
he can't be guffawing
we can't be guffawing
you can't be guffawing
they can't be guffawing

Perfect

I can't have guffawed
you can't have guffawed
he can't have guffawed
we can't have guffawed
you can't have guffawed
they can't have guffawed

V-ing perfect

I can't have been guffawing
you can't have been guffawing
he can't have been guffawing
we can't have been guffawing
you can't have been guffawing
they can't 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't I guffaw?
can't you guffaw?
can't he guffaw?
can't we guffaw?
can't you guffaw?
can't they guffaw?

V-ing form

can't I be guffawing?
can't you be guffawing?
can't he be guffawing?
can't we be guffawing?
can't you be guffawing?
can't they be guffawing?

Perfect

can't I have guffawed?
can't you have guffawed?
can't he have guffawed?
can't we have guffawed?
can't you have guffawed?
can't they have guffawed?

V-ing perfect

can't I have been guffawing?
can't you have been guffawing?
can't he have been guffawing?
can't we have been guffawing?
can't you have been guffawing?
can't they have been guffawing?

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