Conjugación del verbo inglés
MUST REFUEL

Verbo regular: refuel - refuelled - refuelled

Afirmación

Forma simple	Forma con V-ing
I must refuel you must refuel she must refuel we must refuel you must refuel they must refuel	I must be refuelling you must be refuelling she must be refuelling we must be refuelling you must be refuelling they must be refuelling
Perfecto	Perfecto con V-ing
I must have refuelled you must have refuelled she must have refuelled we must have refuelled you must have refuelled they must have refuelled	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

Negación

Forma simple	Forma con V-ing
I must not refuel you must not refuel she must not refuel we must not refuel you must not refuel they must not refuel	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
Perfecto	Perfecto con V-ing
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	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

Forma interrogativa

Forma simple	Forma con V-ing
must I refuel? must you refuel? must she refuel? must we refuel? must you refuel? must they refuel?	must I be refuelling? must you be refuelling? must she be refuelling? must we be refuelling? must you be refuelling? must they be refuelling?
Perfecto	Perfecto con V-ing
must I have refuelled? must you have refuelled? must she have refuelled? must we have refuelled? must you have refuelled? must they have refuelled?	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?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not refuel? must you not refuel? must she not refuel? must we not refuel? must you not refuel? must they not refuel?	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?
Perfecto	Perfecto con V-ing
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?	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?