must alleviate
Verbo regular: alleviate - alleviated- alleviated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must alleviate
you must alleviate
he must alleviate
we must alleviate
you must alleviate
they must alleviate 	I must be alleviating
you must be alleviating
he must be alleviating
we must be alleviating
you must be alleviating
they must be alleviating	I must have alleviated
you must have alleviated
he must have alleviated
we must have alleviated
you must have alleviated
they must have alleviated	I must have been alleviating
you must have been alleviating
he must have been alleviating
we must have been alleviating
you must have been alleviating
they must have been alleviating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not alleviate
you must not alleviate
he must not alleviate
we must not alleviate
you must not alleviate
they must not alleviate 	I must not be alleviating
you must not be alleviating
he must not be alleviating
we must not be alleviating
you must not be alleviating
they must not be alleviating	I must not have alleviated
you must not have alleviated
he must not have alleviated
we must not have alleviated
you must not have alleviated
they must not have alleviated	I must not have been alleviating
you must not have been alleviating
he must not have been alleviating
we must not have been alleviating
you must not have been alleviating
they must not have been alleviating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I alleviate?
must you alleviate?
must he alleviate?
must we alleviate?
must you alleviate?
must they alleviate? 	must I be alleviating?
must you be alleviating?
must he be alleviating?
must we be alleviating?
must you be alleviating?
must they be alleviating? 	must I have alleviated?
must you have alleviated?
must he have alleviated?
must we have alleviated?
must you have alleviated?
must they have alleviated? 	must I have been alleviating?
must you have been alleviating?
must he have been alleviating?
must we have been alleviating?
must you have been alleviating?
must they have been alleviating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not alleviate?
must you not alleviate?
must he not alleviate?
must we not alleviate?
must you not alleviate?
must they not alleviate? 	must I not be alleviating?
must you not be alleviating?
must he not be alleviating?
must we not be alleviating?
must you not be alleviating?
must they not be alleviating? 	must I not have alleviated?
must you not have alleviated?
must he not have alleviated?
must we not have alleviated?
must you not have alleviated?
must they not have alleviated? 	must I not have been alleviating?
must you not have been alleviating?
must he not have been alleviating?
must we not have been alleviating?
must you not have been alleviating?
must they not have been alleviating?