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