must instance
Verbo regular: instance - instanced- instanced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must instance
you must instance
she must instance
we must instance
you must instance
they must instance 	I must be instancing
you must be instancing
she must be instancing
we must be instancing
you must be instancing
they must be instancing	I must have instanced
you must have instanced
she must have instanced
we must have instanced
you must have instanced
they must have instanced	I must have been instancing
you must have been instancing
she must have been instancing
we must have been instancing
you must have been instancing
they must have been instancing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't instance
you mustn't instance
she mustn't instance
we mustn't instance
you mustn't instance
they mustn't instance 	I mustn't be instancing
you mustn't be instancing
she mustn't be instancing
we mustn't be instancing
you mustn't be instancing
they mustn't be instancing	I mustn't have instanced
you mustn't have instanced
she mustn't have instanced
we mustn't have instanced
you mustn't have instanced
they mustn't have instanced	I mustn't have been instancing
you mustn't have been instancing
she mustn't have been instancing
we mustn't have been instancing
you mustn't have been instancing
they mustn't have been instancing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I instance?
must you instance?
must she instance?
must we instance?
must you instance?
must they instance? 	must I be instancing?
must you be instancing?
must she be instancing?
must we be instancing?
must you be instancing?
must they be instancing? 	must I have instanced?
must you have instanced?
must she have instanced?
must we have instanced?
must you have instanced?
must they have instanced? 	must I have been instancing?
must you have been instancing?
must she have been instancing?
must we have been instancing?
must you have been instancing?
must they have been instancing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I instance?
mustn't you instance?
mustn't she instance?
mustn't we instance?
mustn't you instance?
mustn't they instance? 	mustn't I be instancing?
mustn't you be instancing?
mustn't she be instancing?
mustn't we be instancing?
mustn't you be instancing?
mustn't they be instancing? 	mustn't I have instanced?
mustn't you have instanced?
mustn't she have instanced?
mustn't we have instanced?
mustn't you have instanced?
mustn't they have instanced? 	mustn't I have been instancing?
mustn't you have been instancing?
mustn't she have been instancing?
mustn't we have been instancing?
mustn't you have been instancing?
mustn't they have been instancing?