I must repeat you must repeat he must repeat we must repeat you must repeat they must repeat
V-ing form
I must be repeating you must be repeating he must be repeating we must be repeating you must be repeating they must be repeating
Perfect
I must have repeated you must have repeated he must have repeated we must have repeated you must have repeated they must have repeated
V-ing perfect
I must have been repeating you must have been repeating he must have been repeating we must have been repeating you must have been repeating they must have been repeating
Negation
Simple form
I must not repeat you must not repeat he must not repeat we must not repeat you must not repeat they must not repeat
V-ing form
I must not be repeating you must not be repeating he must not be repeating we must not be repeating you must not be repeating they must not be repeating
Perfect
I must not have repeated you must not have repeated he must not have repeated we must not have repeated you must not have repeated they must not have repeated
V-ing perfect
I must not have been repeating you must not have been repeating he must not have been repeating we must not have been repeating you must not have been repeating they must not have been repeating
Interrogative form
Simple form
must I repeat? must you repeat? must he repeat? must we repeat? must you repeat? must they repeat?
V-ing form
must I be repeating? must you be repeating? must he be repeating? must we be repeating? must you be repeating? must they be repeating?
Perfect
must I have repeated? must you have repeated? must he have repeated? must we have repeated? must you have repeated? must they have repeated?
V-ing perfect
must I have been repeating? must you have been repeating? must he have been repeating? must we have been repeating? must you have been repeating? must they have been repeating?
Interro-negative form
Simple form
must I not repeat? must you not repeat? must he not repeat? must we not repeat? must you not repeat? must they not repeat?
V-ing form
must I not be repeating? must you not be repeating? must he not be repeating? must we not be repeating? must you not be repeating? must they not be repeating?
Perfect
must I not have repeated? must you not have repeated? must he not have repeated? must we not have repeated? must you not have repeated? must they not have repeated?
V-ing perfect
must I not have been repeating? must you not have been repeating? must he not have been repeating? must we not have been repeating? must you not have been repeating? must they not have been repeating?