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 cannot quaff
you cannot quaff
he cannot quaff
we cannot quaff
you cannot quaff
they cannot quaff

V-ing form

I cannot be quaffing
you cannot be quaffing
he cannot be quaffing
we cannot be quaffing
you cannot be quaffing
they cannot be quaffing

Perfect

I cannot have quaffed
you cannot have quaffed
he cannot have quaffed
we cannot have quaffed
you cannot have quaffed
they cannot have quaffed

V-ing perfect

I cannot have been quaffing
you cannot have been quaffing
he cannot have been quaffing
we cannot have been quaffing
you cannot have been quaffing
they cannot 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 I not quaff?
can you not quaff?
can he not quaff?
can we not quaff?
can you not quaff?
can they not quaff?

V-ing form

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

Perfect

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

V-ing perfect

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

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