I must pressure-cook you must pressure-cook he must pressure-cook we must pressure-cook you must pressure-cook they must pressure-cook
V-ing form
I must be pressure-cooking you must be pressure-cooking he must be pressure-cooking we must be pressure-cooking you must be pressure-cooking they must be pressure-cooking
Perfect
I must have pressure-cooked you must have pressure-cooked he must have pressure-cooked we must have pressure-cooked you must have pressure-cooked they must have pressure-cooked
V-ing perfect
I must have been pressure-cooking you must have been pressure-cooking he must have been pressure-cooking we must have been pressure-cooking you must have been pressure-cooking they must have been pressure-cooking
Negation
Simple form
I mustn't pressure-cook you mustn't pressure-cook he mustn't pressure-cook we mustn't pressure-cook you mustn't pressure-cook they mustn't pressure-cook
V-ing form
I mustn't be pressure-cooking you mustn't be pressure-cooking he mustn't be pressure-cooking we mustn't be pressure-cooking you mustn't be pressure-cooking they mustn't be pressure-cooking
Perfect
I mustn't have pressure-cooked you mustn't have pressure-cooked he mustn't have pressure-cooked we mustn't have pressure-cooked you mustn't have pressure-cooked they mustn't have pressure-cooked
V-ing perfect
I mustn't have been pressure-cooking you mustn't have been pressure-cooking he mustn't have been pressure-cooking we mustn't have been pressure-cooking you mustn't have been pressure-cooking they mustn't have been pressure-cooking
Interrogative form
Simple form
must I pressure-cook? must you pressure-cook? must he pressure-cook? must we pressure-cook? must you pressure-cook? must they pressure-cook?
V-ing form
must I be pressure-cooking? must you be pressure-cooking? must he be pressure-cooking? must we be pressure-cooking? must you be pressure-cooking? must they be pressure-cooking?
Perfect
must I have pressure-cooked? must you have pressure-cooked? must he have pressure-cooked? must we have pressure-cooked? must you have pressure-cooked? must they have pressure-cooked?
V-ing perfect
must I have been pressure-cooking? must you have been pressure-cooking? must he have been pressure-cooking? must we have been pressure-cooking? must you have been pressure-cooking? must they have been pressure-cooking?
Interro-negative form
Simple form
mustn't I pressure-cook? mustn't you pressure-cook? mustn't he pressure-cook? mustn't we pressure-cook? mustn't you pressure-cook? mustn't they pressure-cook?
V-ing form
mustn't I be pressure-cooking? mustn't you be pressure-cooking? mustn't he be pressure-cooking? mustn't we be pressure-cooking? mustn't you be pressure-cooking? mustn't they be pressure-cooking?
Perfect
mustn't I have pressure-cooked? mustn't you have pressure-cooked? mustn't he have pressure-cooked? mustn't we have pressure-cooked? mustn't you have pressure-cooked? mustn't they have pressure-cooked?
V-ing perfect
mustn't I have been pressure-cooking? mustn't you have been pressure-cooking? mustn't he have been pressure-cooking? mustn't we have been pressure-cooking? mustn't you have been pressure-cooking? mustn't they have been pressure-cooking?