English verb conjugation
MUST INSTRUCT

Regular verb: instruct - instructed - instructed

Affirmation

Simple form	V-ing form
I must instruct you must instruct he must instruct we must instruct you must instruct they must instruct	I must be instructing you must be instructing he must be instructing we must be instructing you must be instructing they must be instructing
Perfect	V-ing perfect
I must have instructed you must have instructed he must have instructed we must have instructed you must have instructed they must have instructed	I must have been instructing you must have been instructing he must have been instructing we must have been instructing you must have been instructing they must have been instructing

Negation

Simple form	V-ing form
I must not instruct you must not instruct he must not instruct we must not instruct you must not instruct they must not instruct	I must not be instructing you must not be instructing he must not be instructing we must not be instructing you must not be instructing they must not be instructing
Perfect	V-ing perfect
I must not have instructed you must not have instructed he must not have instructed we must not have instructed you must not have instructed they must not have instructed	I must not have been instructing you must not have been instructing he must not have been instructing we must not have been instructing you must not have been instructing they must not have been instructing

Interrogative form

Simple form	V-ing form
must I instruct? must you instruct? must he instruct? must we instruct? must you instruct? must they instruct?	must I be instructing? must you be instructing? must he be instructing? must we be instructing? must you be instructing? must they be instructing?
Perfect	V-ing perfect
must I have instructed? must you have instructed? must he have instructed? must we have instructed? must you have instructed? must they have instructed?	must I have been instructing? must you have been instructing? must he have been instructing? must we have been instructing? must you have been instructing? must they have been instructing?

Interro-negative form

Simple form	V-ing form
must I not instruct? must you not instruct? must he not instruct? must we not instruct? must you not instruct? must they not instruct?	must I not be instructing? must you not be instructing? must he not be instructing? must we not be instructing? must you not be instructing? must they not be instructing?
Perfect	V-ing perfect
must I not have instructed? must you not have instructed? must he not have instructed? must we not have instructed? must you not have instructed? must they not have instructed?	must I not have been instructing? must you not have been instructing? must he not have been instructing? must we not have been instructing? must you not have been instructing? must they not have been instructing?