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