must desire
Verbo regular: desire - desired- desired

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must desire
you must desire
he must desire
we must desire
you must desire
they must desire 	I must be desiring
you must be desiring
he must be desiring
we must be desiring
you must be desiring
they must be desiring	I must have desired
you must have desired
he must have desired
we must have desired
you must have desired
they must have desired	I must have been desiring
you must have been desiring
he must have been desiring
we must have been desiring
you must have been desiring
they must have been desiring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't desire
you mustn't desire
he mustn't desire
we mustn't desire
you mustn't desire
they mustn't desire 	I mustn't be desiring
you mustn't be desiring
he mustn't be desiring
we mustn't be desiring
you mustn't be desiring
they mustn't be desiring	I mustn't have desired
you mustn't have desired
he mustn't have desired
we mustn't have desired
you mustn't have desired
they mustn't have desired	I mustn't have been desiring
you mustn't have been desiring
he mustn't have been desiring
we mustn't have been desiring
you mustn't have been desiring
they mustn't have been desiring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I desire?
must you desire?
must he desire?
must we desire?
must you desire?
must they desire? 	must I be desiring?
must you be desiring?
must he be desiring?
must we be desiring?
must you be desiring?
must they be desiring? 	must I have desired?
must you have desired?
must he have desired?
must we have desired?
must you have desired?
must they have desired? 	must I have been desiring?
must you have been desiring?
must he have been desiring?
must we have been desiring?
must you have been desiring?
must they have been desiring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I desire?
mustn't you desire?
mustn't he desire?
mustn't we desire?
mustn't you desire?
mustn't they desire? 	mustn't I be desiring?
mustn't you be desiring?
mustn't he be desiring?
mustn't we be desiring?
mustn't you be desiring?
mustn't they be desiring? 	mustn't I have desired?
mustn't you have desired?
mustn't he have desired?
mustn't we have desired?
mustn't you have desired?
mustn't they have desired? 	mustn't I have been desiring?
mustn't you have been desiring?
mustn't he have been desiring?
mustn't we have been desiring?
mustn't you have been desiring?
mustn't they have been desiring?