English verb conjugation MUST REFUEL

Regular verb: refuel - refuelled - refuelled

Affirmation

Simple form

I must refuel
you must refuel
she must refuel
we must refuel
you must refuel
they must refuel

V-ing form

I must be refuelling
you must be refuelling
she must be refuelling
we must be refuelling
you must be refuelling
they must be refuelling

Perfect

I must have refuelled
you must have refuelled
she must have refuelled
we must have refuelled
you must have refuelled
they must have refuelled

V-ing perfect

I must have been refuelling
you must have been refuelling
she must have been refuelling
we must have been refuelling
you must have been refuelling
they must have been refuelling

Negation

Simple form

I must not refuel
you must not refuel
she must not refuel
we must not refuel
you must not refuel
they must not refuel

V-ing form

I must not be refuelling
you must not be refuelling
she must not be refuelling
we must not be refuelling
you must not be refuelling
they must not be refuelling

Perfect

I must not have refuelled
you must not have refuelled
she must not have refuelled
we must not have refuelled
you must not have refuelled
they must not have refuelled

V-ing perfect

I must not have been refuelling
you must not have been refuelling
she must not have been refuelling
we must not have been refuelling
you must not have been refuelling
they must not have been refuelling

Interrogative form

Simple form

must I refuel?
must you refuel?
must she refuel?
must we refuel?
must you refuel?
must they refuel?

V-ing form

must I be refuelling?
must you be refuelling?
must she be refuelling?
must we be refuelling?
must you be refuelling?
must they be refuelling?

Perfect

must I have refuelled?
must you have refuelled?
must she have refuelled?
must we have refuelled?
must you have refuelled?
must they have refuelled?

V-ing perfect

must I have been refuelling?
must you have been refuelling?
must she have been refuelling?
must we have been refuelling?
must you have been refuelling?
must they have been refuelling?

Interro-negative form

Simple form

must I not refuel?
must you not refuel?
must she not refuel?
must we not refuel?
must you not refuel?
must they not refuel?

V-ing form

must I not be refuelling?
must you not be refuelling?
must she not be refuelling?
must we not be refuelling?
must you not be refuelling?
must they not be refuelling?

Perfect

must I not have refuelled?
must you not have refuelled?
must she not have refuelled?
must we not have refuelled?
must you not have refuelled?
must they not have refuelled?

V-ing perfect

must I not have been refuelling?
must you not have been refuelling?
must she not have been refuelling?
must we not have been refuelling?
must you not have been refuelling?
must they not have been refuelling?

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