I must educate you must educate he must educate we must educate you must educate they must educate
V-ing form
I must be educating you must be educating he must be educating we must be educating you must be educating they must be educating
Perfect
I must have educated you must have educated he must have educated we must have educated you must have educated they must have educated
V-ing perfect
I must have been educating you must have been educating he must have been educating we must have been educating you must have been educating they must have been educating
Negation
Simple form
I mustn't educate you mustn't educate he mustn't educate we mustn't educate you mustn't educate they mustn't educate
V-ing form
I mustn't be educating you mustn't be educating he mustn't be educating we mustn't be educating you mustn't be educating they mustn't be educating
Perfect
I mustn't have educated you mustn't have educated he mustn't have educated we mustn't have educated you mustn't have educated they mustn't have educated
V-ing perfect
I mustn't have been educating you mustn't have been educating he mustn't have been educating we mustn't have been educating you mustn't have been educating they mustn't have been educating
Interrogative form
Simple form
must I educate? must you educate? must he educate? must we educate? must you educate? must they educate?
V-ing form
must I be educating? must you be educating? must he be educating? must we be educating? must you be educating? must they be educating?
Perfect
must I have educated? must you have educated? must he have educated? must we have educated? must you have educated? must they have educated?
V-ing perfect
must I have been educating? must you have been educating? must he have been educating? must we have been educating? must you have been educating? must they have been educating?
Interro-negative form
Simple form
mustn't I educate? mustn't you educate? mustn't he educate? mustn't we educate? mustn't you educate? mustn't they educate?
V-ing form
mustn't I be educating? mustn't you be educating? mustn't he be educating? mustn't we be educating? mustn't you be educating? mustn't they be educating?
Perfect
mustn't I have educated? mustn't you have educated? mustn't he have educated? mustn't we have educated? mustn't you have educated? mustn't they have educated?
V-ing perfect
mustn't I have been educating? mustn't you have been educating? mustn't he have been educating? mustn't we have been educating? mustn't you have been educating? mustn't they have been educating?