must encode
Verbo regular: encode - encoded- encoded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must encode
you must encode
she must encode
we must encode
you must encode
they must encode 	I must be encoding
you must be encoding
she must be encoding
we must be encoding
you must be encoding
they must be encoding	I must have encoded
you must have encoded
she must have encoded
we must have encoded
you must have encoded
they must have encoded	I must have been encoding
you must have been encoding
she must have been encoding
we must have been encoding
you must have been encoding
they must have been encoding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not encode
you must not encode
she must not encode
we must not encode
you must not encode
they must not encode 	I must not be encoding
you must not be encoding
she must not be encoding
we must not be encoding
you must not be encoding
they must not be encoding	I must not have encoded
you must not have encoded
she must not have encoded
we must not have encoded
you must not have encoded
they must not have encoded	I must not have been encoding
you must not have been encoding
she must not have been encoding
we must not have been encoding
you must not have been encoding
they must not have been encoding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I encode?
must you encode?
must she encode?
must we encode?
must you encode?
must they encode? 	must I be encoding?
must you be encoding?
must she be encoding?
must we be encoding?
must you be encoding?
must they be encoding? 	must I have encoded?
must you have encoded?
must she have encoded?
must we have encoded?
must you have encoded?
must they have encoded? 	must I have been encoding?
must you have been encoding?
must she have been encoding?
must we have been encoding?
must you have been encoding?
must they have been encoding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not encode?
must you not encode?
must she not encode?
must we not encode?
must you not encode?
must they not encode? 	must I not be encoding?
must you not be encoding?
must she not be encoding?
must we not be encoding?
must you not be encoding?
must they not be encoding? 	must I not have encoded?
must you not have encoded?
must she not have encoded?
must we not have encoded?
must you not have encoded?
must they not have encoded? 	must I not have been encoding?
must you not have been encoding?
must she not have been encoding?
must we not have been encoding?
must you not have been encoding?
must they not have been encoding?