English verb conjugation CAN STAFF

Regular verb: staff - staffed - staffed

Affirmation

Simple form

I can staff
you can staff
she can staff
we can staff
you can staff
they can staff

V-ing form

I can be staffing
you can be staffing
she can be staffing
we can be staffing
you can be staffing
they can be staffing

Perfect

I can have staffed
you can have staffed
she can have staffed
we can have staffed
you can have staffed
they can have staffed

V-ing perfect

I can have been staffing
you can have been staffing
she can have been staffing
we can have been staffing
you can have been staffing
they can have been staffing

Negation

Simple form

I cannot staff
you cannot staff
she cannot staff
we cannot staff
you cannot staff
they cannot staff

V-ing form

I cannot be staffing
you cannot be staffing
she cannot be staffing
we cannot be staffing
you cannot be staffing
they cannot be staffing

Perfect

I cannot have staffed
you cannot have staffed
she cannot have staffed
we cannot have staffed
you cannot have staffed
they cannot have staffed

V-ing perfect

I cannot have been staffing
you cannot have been staffing
she cannot have been staffing
we cannot have been staffing
you cannot have been staffing
they cannot have been staffing

Interrogative form

Simple form

can I staff?
can you staff?
can she staff?
can we staff?
can you staff?
can they staff?

V-ing form

can I be staffing?
can you be staffing?
can she be staffing?
can we be staffing?
can you be staffing?
can they be staffing?

Perfect

can I have staffed?
can you have staffed?
can she have staffed?
can we have staffed?
can you have staffed?
can they have staffed?

V-ing perfect

can I have been staffing?
can you have been staffing?
can she have been staffing?
can we have been staffing?
can you have been staffing?
can they have been staffing?

Interro-negative form

Simple form

can I not staff?
can you not staff?
can she not staff?
can we not staff?
can you not staff?
can they not staff?

V-ing form

can I not be staffing?
can you not be staffing?
can she not be staffing?
can we not be staffing?
can you not be staffing?
can they not be staffing?

Perfect

can I not have staffed?
can you not have staffed?
can she not have staffed?
can we not have staffed?
can you not have staffed?
can they not have staffed?

V-ing perfect

can I not have been staffing?
can you not have been staffing?
can she not have been staffing?
can we not have been staffing?
can you not have been staffing?
can they not have been staffing?

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