must calm
Verbo regular: calm - calmed- calmed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must calm
you must calm
she must calm
we must calm
you must calm
they must calm 	I must be calming
you must be calming
she must be calming
we must be calming
you must be calming
they must be calming	I must have calmed
you must have calmed
she must have calmed
we must have calmed
you must have calmed
they must have calmed	I must have been calming
you must have been calming
she must have been calming
we must have been calming
you must have been calming
they must have been calming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not calm
you must not calm
she must not calm
we must not calm
you must not calm
they must not calm 	I must not be calming
you must not be calming
she must not be calming
we must not be calming
you must not be calming
they must not be calming	I must not have calmed
you must not have calmed
she must not have calmed
we must not have calmed
you must not have calmed
they must not have calmed	I must not have been calming
you must not have been calming
she must not have been calming
we must not have been calming
you must not have been calming
they must not have been calming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I calm?
must you calm?
must she calm?
must we calm?
must you calm?
must they calm? 	must I be calming?
must you be calming?
must she be calming?
must we be calming?
must you be calming?
must they be calming? 	must I have calmed?
must you have calmed?
must she have calmed?
must we have calmed?
must you have calmed?
must they have calmed? 	must I have been calming?
must you have been calming?
must she have been calming?
must we have been calming?
must you have been calming?
must they have been calming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not calm?
must you not calm?
must she not calm?
must we not calm?
must you not calm?
must they not calm? 	must I not be calming?
must you not be calming?
must she not be calming?
must we not be calming?
must you not be calming?
must they not be calming? 	must I not have calmed?
must you not have calmed?
must she not have calmed?
must we not have calmed?
must you not have calmed?
must they not have calmed? 	must I not have been calming?
must you not have been calming?
must she not have been calming?
must we not have been calming?
must you not have been calming?
must they not have been calming?