English verb conjugation COULD OVERSTAFF

Regular verb: overstaff - overstaffed - overstaffed

Affirmation

Simple form

I could overstaff
you could overstaff
he could overstaff
we could overstaff
you could overstaff
they could overstaff

V-ing form

I could be overstaffing
you could be overstaffing
he could be overstaffing
we could be overstaffing
you could be overstaffing
they could be overstaffing

Perfect

I could have overstaffed
you could have overstaffed
he could have overstaffed
we could have overstaffed
you could have overstaffed
they could have overstaffed

V-ing perfect

I could have been overstaffing
you could have been overstaffing
he could have been overstaffing
we could have been overstaffing
you could have been overstaffing
they could have been overstaffing

Negation

Simple form

I couldn't overstaff
you couldn't overstaff
he couldn't overstaff
we couldn't overstaff
you couldn't overstaff
they couldn't overstaff

V-ing form

I couldn't be overstaffing
you couldn't be overstaffing
he couldn't be overstaffing
we couldn't be overstaffing
you couldn't be overstaffing
they couldn't be overstaffing

Perfect

I couldn't have overstaffed
you couldn't have overstaffed
he couldn't have overstaffed
we couldn't have overstaffed
you couldn't have overstaffed
they couldn't have overstaffed

V-ing perfect

I couldn't have been overstaffing
you couldn't have been overstaffing
he couldn't have been overstaffing
we couldn't have been overstaffing
you couldn't have been overstaffing
they couldn't have been overstaffing

Interrogative form

Simple form

could I overstaff?
could you overstaff?
could he overstaff?
could we overstaff?
could you overstaff?
could they overstaff?

V-ing form

could I be overstaffing?
could you be overstaffing?
could he be overstaffing?
could we be overstaffing?
could you be overstaffing?
could they be overstaffing?

Perfect

could I have overstaffed?
could you have overstaffed?
could he have overstaffed?
could we have overstaffed?
could you have overstaffed?
could they have overstaffed?

V-ing perfect

could I have been overstaffing?
could you have been overstaffing?
could he have been overstaffing?
could we have been overstaffing?
could you have been overstaffing?
could they have been overstaffing?

Interro-negative form

Simple form

couldn't I overstaff?
couldn't you overstaff?
couldn't he overstaff?
couldn't we overstaff?
couldn't you overstaff?
couldn't they overstaff?

V-ing form

couldn't I be overstaffing?
couldn't you be overstaffing?
couldn't he be overstaffing?
couldn't we be overstaffing?
couldn't you be overstaffing?
couldn't they be overstaffing?

Perfect

couldn't I have overstaffed?
couldn't you have overstaffed?
couldn't he have overstaffed?
couldn't we have overstaffed?
couldn't you have overstaffed?
couldn't they have overstaffed?

V-ing perfect

couldn't I have been overstaffing?
couldn't you have been overstaffing?
couldn't he have been overstaffing?
couldn't we have been overstaffing?
couldn't you have been overstaffing?
couldn't they have been overstaffing?

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