English verb conjugation CAN STAFF

Regular verb: staff - staffed - staffed

Affirmation

Simple form

I can staff
you can staff
he can staff
we can staff
you can staff
they can staff

V-ing form

I can be staffing
you can be staffing
he can be staffing
we can be staffing
you can be staffing
they can be staffing

Perfect

I can have staffed
you can have staffed
he 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
he 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
he cannot staff
we cannot staff
you cannot staff
they cannot staff

V-ing form

I cannot be staffing
you cannot be staffing
he cannot be staffing
we cannot be staffing
you cannot be staffing
they cannot be staffing

Perfect

I cannot have staffed
you cannot have staffed
he 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
he 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 he staff?
can we staff?
can you staff?
can they staff?

V-ing form

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

Perfect

can I have staffed?
can you have staffed?
can he 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 he 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 he 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 he 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 he 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 he 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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