I must shelter you must shelter he must shelter we must shelter you must shelter they must shelter
Forma con V-ing
I must be sheltering you must be sheltering he must be sheltering we must be sheltering you must be sheltering they must be sheltering
Perfecto
I must have sheltered you must have sheltered he must have sheltered we must have sheltered you must have sheltered they must have sheltered
Perfecto con V-ing
I must have been sheltering you must have been sheltering he must have been sheltering we must have been sheltering you must have been sheltering they must have been sheltering
Negación
Forma simple
I must not shelter you must not shelter he must not shelter we must not shelter you must not shelter they must not shelter
Forma con V-ing
I must not be sheltering you must not be sheltering he must not be sheltering we must not be sheltering you must not be sheltering they must not be sheltering
Perfecto
I must not have sheltered you must not have sheltered he must not have sheltered we must not have sheltered you must not have sheltered they must not have sheltered
Perfecto con V-ing
I must not have been sheltering you must not have been sheltering he must not have been sheltering we must not have been sheltering you must not have been sheltering they must not have been sheltering
Forma interrogativa
Forma simple
must I shelter? must you shelter? must he shelter? must we shelter? must you shelter? must they shelter?
Forma con V-ing
must I be sheltering? must you be sheltering? must he be sheltering? must we be sheltering? must you be sheltering? must they be sheltering?
Perfecto
must I have sheltered? must you have sheltered? must he have sheltered? must we have sheltered? must you have sheltered? must they have sheltered?
Perfecto con V-ing
must I have been sheltering? must you have been sheltering? must he have been sheltering? must we have been sheltering? must you have been sheltering? must they have been sheltering?
Forma interro-negativa
Forma simple
must I not shelter? must you not shelter? must he not shelter? must we not shelter? must you not shelter? must they not shelter?
Forma con V-ing
must I not be sheltering? must you not be sheltering? must he not be sheltering? must we not be sheltering? must you not be sheltering? must they not be sheltering?
Perfecto
must I not have sheltered? must you not have sheltered? must he not have sheltered? must we not have sheltered? must you not have sheltered? must they not have sheltered?
Perfecto con V-ing
must I not have been sheltering? must you not have been sheltering? must he not have been sheltering? must we not have been sheltering? must you not have been sheltering? must they not have been sheltering?