English verb conjugation SHOULD BIFF

Regular verb: biff - biffed - biffed

Affirmation

Simple form

I'd biff
you'd biff
she'd biff
we'd biff
you'd biff
they'd biff

V-ing form

I'd be biffing
you'd be biffing
she'd be biffing
we'd be biffing
you'd be biffing
they'd be biffing

Perfect

I should've biffed
you should've biffed
she should've biffed
we should've biffed
you should've biffed
they should've biffed

V-ing perfect

I should've been biffing
you should've been biffing
she should've been biffing
we should've been biffing
you should've been biffing
they should've been biffing

Negation

Simple form

I shouldn't biff
you shouldn't biff
she shouldn't biff
we shouldn't biff
you shouldn't biff
they shouldn't biff

V-ing form

I shouldn't be biffing
you shouldn't be biffing
she shouldn't be biffing
we shouldn't be biffing
you shouldn't be biffing
they shouldn't be biffing

Perfect

I shouldn't have biffed
you shouldn't have biffed
she shouldn't have biffed
we shouldn't have biffed
you shouldn't have biffed
they shouldn't have biffed

V-ing perfect

I shouldn't have been biffing
you shouldn't have been biffing
she shouldn't have been biffing
we shouldn't have been biffing
you shouldn't have been biffing
they shouldn't have been biffing

Interrogative form

Simple form

should I biff?
should you biff?
should she biff?
should we biff?
should you biff?
should they biff?

V-ing form

should I be biffing?
should you be biffing?
should she be biffing?
should we be biffing?
should you be biffing?
should they be biffing?

Perfect

should I have biffed?
should you have biffed?
should she have biffed?
should we have biffed?
should you have biffed?
should they have biffed?

V-ing perfect

should I have been biffing?
should you have been biffing?
should she have been biffing?
should we have been biffing?
should you have been biffing?
should they have been biffing?

Interro-negative form

Simple form

shouldn't I biff?
shouldn't you biff?
shouldn't she biff?
shouldn't we biff?
shouldn't you biff?
shouldn't they biff?

V-ing form

shouldn't I be biffing?
shouldn't you be biffing?
shouldn't she be biffing?
shouldn't we be biffing?
shouldn't you be biffing?
shouldn't they be biffing?

Perfect

shouldn't I have biffed?
shouldn't you have biffed?
shouldn't she have biffed?
shouldn't we have biffed?
shouldn't you have biffed?
shouldn't they have biffed?

V-ing perfect

shouldn't I have been biffing?
shouldn't you have been biffing?
shouldn't she have been biffing?
shouldn't we have been biffing?
shouldn't you have been biffing?
shouldn't they have been biffing?

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