must simplify
Verbo regular: simplify - simplified- simplified

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must simplify
you must simplify
he must simplify
we must simplify
you must simplify
they must simplify 	I must be simplifying
you must be simplifying
he must be simplifying
we must be simplifying
you must be simplifying
they must be simplifying	I must have simplified
you must have simplified
he must have simplified
we must have simplified
you must have simplified
they must have simplified	I must have been simplifying
you must have been simplifying
he must have been simplifying
we must have been simplifying
you must have been simplifying
they must have been simplifying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't simplify
you mustn't simplify
he mustn't simplify
we mustn't simplify
you mustn't simplify
they mustn't simplify 	I mustn't be simplifying
you mustn't be simplifying
he mustn't be simplifying
we mustn't be simplifying
you mustn't be simplifying
they mustn't be simplifying	I mustn't have simplified
you mustn't have simplified
he mustn't have simplified
we mustn't have simplified
you mustn't have simplified
they mustn't have simplified	I mustn't have been simplifying
you mustn't have been simplifying
he mustn't have been simplifying
we mustn't have been simplifying
you mustn't have been simplifying
they mustn't have been simplifying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I simplify?
must you simplify?
must he simplify?
must we simplify?
must you simplify?
must they simplify? 	must I be simplifying?
must you be simplifying?
must he be simplifying?
must we be simplifying?
must you be simplifying?
must they be simplifying? 	must I have simplified?
must you have simplified?
must he have simplified?
must we have simplified?
must you have simplified?
must they have simplified? 	must I have been simplifying?
must you have been simplifying?
must he have been simplifying?
must we have been simplifying?
must you have been simplifying?
must they have been simplifying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I simplify?
mustn't you simplify?
mustn't he simplify?
mustn't we simplify?
mustn't you simplify?
mustn't they simplify? 	mustn't I be simplifying?
mustn't you be simplifying?
mustn't he be simplifying?
mustn't we be simplifying?
mustn't you be simplifying?
mustn't they be simplifying? 	mustn't I have simplified?
mustn't you have simplified?
mustn't he have simplified?
mustn't we have simplified?
mustn't you have simplified?
mustn't they have simplified? 	mustn't I have been simplifying?
mustn't you have been simplifying?
mustn't he have been simplifying?
mustn't we have been simplifying?
mustn't you have been simplifying?
mustn't they have been simplifying?