must structure
Verbo regular: structure - structured- structured

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must structure
you must structure
he must structure
we must structure
you must structure
they must structure 	I must be structuring
you must be structuring
he must be structuring
we must be structuring
you must be structuring
they must be structuring	I must have structured
you must have structured
he must have structured
we must have structured
you must have structured
they must have structured	I must have been structuring
you must have been structuring
he must have been structuring
we must have been structuring
you must have been structuring
they must have been structuring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't structure
you mustn't structure
he mustn't structure
we mustn't structure
you mustn't structure
they mustn't structure 	I mustn't be structuring
you mustn't be structuring
he mustn't be structuring
we mustn't be structuring
you mustn't be structuring
they mustn't be structuring	I mustn't have structured
you mustn't have structured
he mustn't have structured
we mustn't have structured
you mustn't have structured
they mustn't have structured	I mustn't have been structuring
you mustn't have been structuring
he mustn't have been structuring
we mustn't have been structuring
you mustn't have been structuring
they mustn't have been structuring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I structure?
must you structure?
must he structure?
must we structure?
must you structure?
must they structure? 	must I be structuring?
must you be structuring?
must he be structuring?
must we be structuring?
must you be structuring?
must they be structuring? 	must I have structured?
must you have structured?
must he have structured?
must we have structured?
must you have structured?
must they have structured? 	must I have been structuring?
must you have been structuring?
must he have been structuring?
must we have been structuring?
must you have been structuring?
must they have been structuring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I structure?
mustn't you structure?
mustn't he structure?
mustn't we structure?
mustn't you structure?
mustn't they structure? 	mustn't I be structuring?
mustn't you be structuring?
mustn't he be structuring?
mustn't we be structuring?
mustn't you be structuring?
mustn't they be structuring? 	mustn't I have structured?
mustn't you have structured?
mustn't he have structured?
mustn't we have structured?
mustn't you have structured?
mustn't they have structured? 	mustn't I have been structuring?
mustn't you have been structuring?
mustn't he have been structuring?
mustn't we have been structuring?
mustn't you have been structuring?
mustn't they have been structuring?