must encounter
Verbo regular: encounter - encountered- encountered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must encounter
you must encounter
he must encounter
we must encounter
you must encounter
they must encounter 	I must be encountering
you must be encountering
he must be encountering
we must be encountering
you must be encountering
they must be encountering	I must have encountered
you must have encountered
he must have encountered
we must have encountered
you must have encountered
they must have encountered	I must have been encountering
you must have been encountering
he must have been encountering
we must have been encountering
you must have been encountering
they must have been encountering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not encounter
you must not encounter
he must not encounter
we must not encounter
you must not encounter
they must not encounter 	I must not be encountering
you must not be encountering
he must not be encountering
we must not be encountering
you must not be encountering
they must not be encountering	I must not have encountered
you must not have encountered
he must not have encountered
we must not have encountered
you must not have encountered
they must not have encountered	I must not have been encountering
you must not have been encountering
he must not have been encountering
we must not have been encountering
you must not have been encountering
they must not have been encountering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I encounter?
must you encounter?
must he encounter?
must we encounter?
must you encounter?
must they encounter? 	must I be encountering?
must you be encountering?
must he be encountering?
must we be encountering?
must you be encountering?
must they be encountering? 	must I have encountered?
must you have encountered?
must he have encountered?
must we have encountered?
must you have encountered?
must they have encountered? 	must I have been encountering?
must you have been encountering?
must he have been encountering?
must we have been encountering?
must you have been encountering?
must they have been encountering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not encounter?
must you not encounter?
must he not encounter?
must we not encounter?
must you not encounter?
must they not encounter? 	must I not be encountering?
must you not be encountering?
must he not be encountering?
must we not be encountering?
must you not be encountering?
must they not be encountering? 	must I not have encountered?
must you not have encountered?
must he not have encountered?
must we not have encountered?
must you not have encountered?
must they not have encountered? 	must I not have been encountering?
must you not have been encountering?
must he not have been encountering?
must we not have been encountering?
must you not have been encountering?
must they not have been encountering?