must amend
Verbo regular: amend - amended- amended

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must amend
you must amend
he must amend
we must amend
you must amend
they must amend 	I must be amending
you must be amending
he must be amending
we must be amending
you must be amending
they must be amending	I must have amended
you must have amended
he must have amended
we must have amended
you must have amended
they must have amended	I must have been amending
you must have been amending
he must have been amending
we must have been amending
you must have been amending
they must have been amending	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't amend
you mustn't amend
he mustn't amend
we mustn't amend
you mustn't amend
they mustn't amend 	I mustn't be amending
you mustn't be amending
he mustn't be amending
we mustn't be amending
you mustn't be amending
they mustn't be amending	I mustn't have amended
you mustn't have amended
he mustn't have amended
we mustn't have amended
you mustn't have amended
they mustn't have amended	I mustn't have been amending
you mustn't have been amending
he mustn't have been amending
we mustn't have been amending
you mustn't have been amending
they mustn't have been amending	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I amend?
must you amend?
must he amend?
must we amend?
must you amend?
must they amend? 	must I be amending?
must you be amending?
must he be amending?
must we be amending?
must you be amending?
must they be amending? 	must I have amended?
must you have amended?
must he have amended?
must we have amended?
must you have amended?
must they have amended? 	must I have been amending?
must you have been amending?
must he have been amending?
must we have been amending?
must you have been amending?
must they have been amending? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I amend?
mustn't you amend?
mustn't he amend?
mustn't we amend?
mustn't you amend?
mustn't they amend? 	mustn't I be amending?
mustn't you be amending?
mustn't he be amending?
mustn't we be amending?
mustn't you be amending?
mustn't they be amending? 	mustn't I have amended?
mustn't you have amended?
mustn't he have amended?
mustn't we have amended?
mustn't you have amended?
mustn't they have amended? 	mustn't I have been amending?
mustn't you have been amending?
mustn't he have been amending?
mustn't we have been amending?
mustn't you have been amending?
mustn't they have been amending?