I must instruct you must instruct she must instruct we must instruct you must instruct they must instruct
Forma con V-ing
I must be instructing you must be instructing she must be instructing we must be instructing you must be instructing they must be instructing
Perfecto
I must have instructed you must have instructed she must have instructed we must have instructed you must have instructed they must have instructed
Perfecto con V-ing
I must have been instructing you must have been instructing she must have been instructing we must have been instructing you must have been instructing they must have been instructing
Negación
Forma simple
I must not instruct you must not instruct she must not instruct we must not instruct you must not instruct they must not instruct
Forma con V-ing
I must not be instructing you must not be instructing she must not be instructing we must not be instructing you must not be instructing they must not be instructing
Perfecto
I must not have instructed you must not have instructed she must not have instructed we must not have instructed you must not have instructed they must not have instructed
Perfecto con V-ing
I must not have been instructing you must not have been instructing she must not have been instructing we must not have been instructing you must not have been instructing they must not have been instructing
Forma interrogativa
Forma simple
must I instruct? must you instruct? must she instruct? must we instruct? must you instruct? must they instruct?
Forma con V-ing
must I be instructing? must you be instructing? must she be instructing? must we be instructing? must you be instructing? must they be instructing?
Perfecto
must I have instructed? must you have instructed? must she have instructed? must we have instructed? must you have instructed? must they have instructed?
Perfecto con V-ing
must I have been instructing? must you have been instructing? must she have been instructing? must we have been instructing? must you have been instructing? must they have been instructing?
Forma interro-negativa
Forma simple
must I not instruct? must you not instruct? must she not instruct? must we not instruct? must you not instruct? must they not instruct?
Forma con V-ing
must I not be instructing? must you not be instructing? must she not be instructing? must we not be instructing? must you not be instructing? must they not be instructing?
Perfecto
must I not have instructed? must you not have instructed? must she not have instructed? must we not have instructed? must you not have instructed? must they not have instructed?
Perfecto con V-ing
must I not have been instructing? must you not have been instructing? must she not have been instructing? must we not have been instructing? must you not have been instructing? must they not have been instructing?