Conjugación del verbo inglés
MUST RETARD

Verbo regular: retard - retarded - retarded

Afirmación

Forma simple	Forma con V-ing
I must retard you must retard he must retard we must retard you must retard they must retard	I must be retarding you must be retarding he must be retarding we must be retarding you must be retarding they must be retarding
Perfecto	Perfecto con V-ing
I must have retarded you must have retarded he must have retarded we must have retarded you must have retarded they must have retarded	I must have been retarding you must have been retarding he must have been retarding we must have been retarding you must have been retarding they must have been retarding

Negación

Forma simple	Forma con V-ing
I must not retard you must not retard he must not retard we must not retard you must not retard they must not retard	I must not be retarding you must not be retarding he must not be retarding we must not be retarding you must not be retarding they must not be retarding
Perfecto	Perfecto con V-ing
I must not have retarded you must not have retarded he must not have retarded we must not have retarded you must not have retarded they must not have retarded	I must not have been retarding you must not have been retarding he must not have been retarding we must not have been retarding you must not have been retarding they must not have been retarding

Forma interrogativa

Forma simple	Forma con V-ing
must I retard? must you retard? must he retard? must we retard? must you retard? must they retard?	must I be retarding? must you be retarding? must he be retarding? must we be retarding? must you be retarding? must they be retarding?
Perfecto	Perfecto con V-ing
must I have retarded? must you have retarded? must he have retarded? must we have retarded? must you have retarded? must they have retarded?	must I have been retarding? must you have been retarding? must he have been retarding? must we have been retarding? must you have been retarding? must they have been retarding?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not retard? must you not retard? must he not retard? must we not retard? must you not retard? must they not retard?	must I not be retarding? must you not be retarding? must he not be retarding? must we not be retarding? must you not be retarding? must they not be retarding?
Perfecto	Perfecto con V-ing
must I not have retarded? must you not have retarded? must he not have retarded? must we not have retarded? must you not have retarded? must they not have retarded?	must I not have been retarding? must you not have been retarding? must he not have been retarding? must we not have been retarding? must you not have been retarding? must they not have been retarding?