English verb conjugation COULD QUAFF

Regular verb: quaff - quaffed - quaffed

Affirmation

Simple form

I could quaff
you could quaff
she could quaff
we could quaff
you could quaff
they could quaff

V-ing form

I could be quaffing
you could be quaffing
she could be quaffing
we could be quaffing
you could be quaffing
they could be quaffing

Perfect

I could have quaffed
you could have quaffed
she could have quaffed
we could have quaffed
you could have quaffed
they could have quaffed

V-ing perfect

I could have been quaffing
you could have been quaffing
she could have been quaffing
we could have been quaffing
you could have been quaffing
they could have been quaffing

Negation

Simple form

I couldn't quaff
you couldn't quaff
she couldn't quaff
we couldn't quaff
you couldn't quaff
they couldn't quaff

V-ing form

I couldn't be quaffing
you couldn't be quaffing
she couldn't be quaffing
we couldn't be quaffing
you couldn't be quaffing
they couldn't be quaffing

Perfect

I couldn't have quaffed
you couldn't have quaffed
she couldn't have quaffed
we couldn't have quaffed
you couldn't have quaffed
they couldn't have quaffed

V-ing perfect

I couldn't have been quaffing
you couldn't have been quaffing
she couldn't have been quaffing
we couldn't have been quaffing
you couldn't have been quaffing
they couldn't have been quaffing

Interrogative form

Simple form

could I quaff?
could you quaff?
could she quaff?
could we quaff?
could you quaff?
could they quaff?

V-ing form

could I be quaffing?
could you be quaffing?
could she be quaffing?
could we be quaffing?
could you be quaffing?
could they be quaffing?

Perfect

could I have quaffed?
could you have quaffed?
could she have quaffed?
could we have quaffed?
could you have quaffed?
could they have quaffed?

V-ing perfect

could I have been quaffing?
could you have been quaffing?
could she have been quaffing?
could we have been quaffing?
could you have been quaffing?
could they have been quaffing?

Interro-negative form

Simple form

couldn't I quaff?
couldn't you quaff?
couldn't she quaff?
couldn't we quaff?
couldn't you quaff?
couldn't they quaff?

V-ing form

couldn't I be quaffing?
couldn't you be quaffing?
couldn't she be quaffing?
couldn't we be quaffing?
couldn't you be quaffing?
couldn't they be quaffing?

Perfect

couldn't I have quaffed?
couldn't you have quaffed?
couldn't she have quaffed?
couldn't we have quaffed?
couldn't you have quaffed?
couldn't they have quaffed?

V-ing perfect

couldn't I have been quaffing?
couldn't you have been quaffing?
couldn't she have been quaffing?
couldn't we have been quaffing?
couldn't you have been quaffing?
couldn't they have been quaffing?

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