English verb conjugation CAN QUAFF

Regular verb: quaff - quaffed - quaffed

Affirmation

Simple form

I can quaff
you can quaff
he can quaff
we can quaff
you can quaff
they can quaff

V-ing form

I can be quaffing
you can be quaffing
he can be quaffing
we can be quaffing
you can be quaffing
they can be quaffing

Perfect

I can have quaffed
you can have quaffed
he can have quaffed
we can have quaffed
you can have quaffed
they can have quaffed

V-ing perfect

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

Negation

Simple form

I can't quaff
you can't quaff
he can't quaff
we can't quaff
you can't quaff
they can't quaff

V-ing form

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

Perfect

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

V-ing perfect

I can't have been quaffing
you can't have been quaffing
he can't have been quaffing
we can't have been quaffing
you can't have been quaffing
they can't have been quaffing

Interrogative form

Simple form

can I quaff?
can you quaff?
can he quaff?
can we quaff?
can you quaff?
can they quaff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can't I quaff?
can't you quaff?
can't he quaff?
can't we quaff?
can't you quaff?
can't they quaff?

V-ing form

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

Perfect

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

V-ing perfect

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

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