must approve
Verbo regular: approve - approved- approved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must approve
you must approve
he must approve
we must approve
you must approve
they must approve 	I must be approving
you must be approving
he must be approving
we must be approving
you must be approving
they must be approving	I must have approved
you must have approved
he must have approved
we must have approved
you must have approved
they must have approved	I must have been approving
you must have been approving
he must have been approving
we must have been approving
you must have been approving
they must have been approving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't approve
you mustn't approve
he mustn't approve
we mustn't approve
you mustn't approve
they mustn't approve 	I mustn't be approving
you mustn't be approving
he mustn't be approving
we mustn't be approving
you mustn't be approving
they mustn't be approving	I mustn't have approved
you mustn't have approved
he mustn't have approved
we mustn't have approved
you mustn't have approved
they mustn't have approved	I mustn't have been approving
you mustn't have been approving
he mustn't have been approving
we mustn't have been approving
you mustn't have been approving
they mustn't have been approving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I approve?
must you approve?
must he approve?
must we approve?
must you approve?
must they approve? 	must I be approving?
must you be approving?
must he be approving?
must we be approving?
must you be approving?
must they be approving? 	must I have approved?
must you have approved?
must he have approved?
must we have approved?
must you have approved?
must they have approved? 	must I have been approving?
must you have been approving?
must he have been approving?
must we have been approving?
must you have been approving?
must they have been approving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I approve?
mustn't you approve?
mustn't he approve?
mustn't we approve?
mustn't you approve?
mustn't they approve? 	mustn't I be approving?
mustn't you be approving?
mustn't he be approving?
mustn't we be approving?
mustn't you be approving?
mustn't they be approving? 	mustn't I have approved?
mustn't you have approved?
mustn't he have approved?
mustn't we have approved?
mustn't you have approved?
mustn't they have approved? 	mustn't I have been approving?
mustn't you have been approving?
mustn't he have been approving?
mustn't we have been approving?
mustn't you have been approving?
mustn't they have been approving?