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