must overture
Verbo regular: overture - overtured- overtured

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must overture
you must overture
he must overture
we must overture
you must overture
they must overture 	I must be overturing
you must be overturing
he must be overturing
we must be overturing
you must be overturing
they must be overturing	I must have overtured
you must have overtured
he must have overtured
we must have overtured
you must have overtured
they must have overtured	I must have been overturing
you must have been overturing
he must have been overturing
we must have been overturing
you must have been overturing
they must have been overturing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not overture
you must not overture
he must not overture
we must not overture
you must not overture
they must not overture 	I must not be overturing
you must not be overturing
he must not be overturing
we must not be overturing
you must not be overturing
they must not be overturing	I must not have overtured
you must not have overtured
he must not have overtured
we must not have overtured
you must not have overtured
they must not have overtured	I must not have been overturing
you must not have been overturing
he must not have been overturing
we must not have been overturing
you must not have been overturing
they must not have been overturing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I overture?
must you overture?
must he overture?
must we overture?
must you overture?
must they overture? 	must I be overturing?
must you be overturing?
must he be overturing?
must we be overturing?
must you be overturing?
must they be overturing? 	must I have overtured?
must you have overtured?
must he have overtured?
must we have overtured?
must you have overtured?
must they have overtured? 	must I have been overturing?
must you have been overturing?
must he have been overturing?
must we have been overturing?
must you have been overturing?
must they have been overturing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not overture?
must you not overture?
must he not overture?
must we not overture?
must you not overture?
must they not overture? 	must I not be overturing?
must you not be overturing?
must he not be overturing?
must we not be overturing?
must you not be overturing?
must they not be overturing? 	must I not have overtured?
must you not have overtured?
must he not have overtured?
must we not have overtured?
must you not have overtured?
must they not have overtured? 	must I not have been overturing?
must you not have been overturing?
must he not have been overturing?
must we not have been overturing?
must you not have been overturing?
must they not have been overturing?