must copy
Verbo regular: copy - copied- copied

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must copy
you must copy
he must copy
we must copy
you must copy
they must copy 	I must be copying
you must be copying
he must be copying
we must be copying
you must be copying
they must be copying	I must have copied
you must have copied
he must have copied
we must have copied
you must have copied
they must have copied	I must have been copying
you must have been copying
he must have been copying
we must have been copying
you must have been copying
they must have been copying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't copy
you mustn't copy
he mustn't copy
we mustn't copy
you mustn't copy
they mustn't copy 	I mustn't be copying
you mustn't be copying
he mustn't be copying
we mustn't be copying
you mustn't be copying
they mustn't be copying	I mustn't have copied
you mustn't have copied
he mustn't have copied
we mustn't have copied
you mustn't have copied
they mustn't have copied	I mustn't have been copying
you mustn't have been copying
he mustn't have been copying
we mustn't have been copying
you mustn't have been copying
they mustn't have been copying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I copy?
must you copy?
must he copy?
must we copy?
must you copy?
must they copy? 	must I be copying?
must you be copying?
must he be copying?
must we be copying?
must you be copying?
must they be copying? 	must I have copied?
must you have copied?
must he have copied?
must we have copied?
must you have copied?
must they have copied? 	must I have been copying?
must you have been copying?
must he have been copying?
must we have been copying?
must you have been copying?
must they have been copying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I copy?
mustn't you copy?
mustn't he copy?
mustn't we copy?
mustn't you copy?
mustn't they copy? 	mustn't I be copying?
mustn't you be copying?
mustn't he be copying?
mustn't we be copying?
mustn't you be copying?
mustn't they be copying? 	mustn't I have copied?
mustn't you have copied?
mustn't he have copied?
mustn't we have copied?
mustn't you have copied?
mustn't they have copied? 	mustn't I have been copying?
mustn't you have been copying?
mustn't he have been copying?
mustn't we have been copying?
mustn't you have been copying?
mustn't they have been copying?