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 mustn't instruct you mustn't instruct he mustn't instruct we mustn't instruct you mustn't instruct they mustn't instruct	I mustn't be instructing you mustn't be instructing he mustn't be instructing we mustn't be instructing you mustn't be instructing they mustn't be instructing
Perfect	V-ing perfect
I mustn't have instructed you mustn't have instructed he mustn't have instructed we mustn't have instructed you mustn't have instructed they mustn't have instructed	I mustn't have been instructing you mustn't have been instructing he mustn't have been instructing we mustn't have been instructing you mustn't have been instructing they mustn't 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
mustn't I instruct? mustn't you instruct? mustn't he instruct? mustn't we instruct? mustn't you instruct? mustn't they instruct?	mustn't I be instructing? mustn't you be instructing? mustn't he be instructing? mustn't we be instructing? mustn't you be instructing? mustn't they be instructing?
Perfect	V-ing perfect
mustn't I have instructed? mustn't you have instructed? mustn't he have instructed? mustn't we have instructed? mustn't you have instructed? mustn't they have instructed?	mustn't I have been instructing? mustn't you have been instructing? mustn't he have been instructing? mustn't we have been instructing? mustn't you have been instructing? mustn't they have been instructing?