I must perambulate you must perambulate he must perambulate we must perambulate you must perambulate they must perambulate
V-ing form
I must be perambulating you must be perambulating he must be perambulating we must be perambulating you must be perambulating they must be perambulating
Perfect
I must have perambulated you must have perambulated he must have perambulated we must have perambulated you must have perambulated they must have perambulated
V-ing perfect
I must have been perambulating you must have been perambulating he must have been perambulating we must have been perambulating you must have been perambulating they must have been perambulating
Negation
Simple form
I must not perambulate you must not perambulate he must not perambulate we must not perambulate you must not perambulate they must not perambulate
V-ing form
I must not be perambulating you must not be perambulating he must not be perambulating we must not be perambulating you must not be perambulating they must not be perambulating
Perfect
I must not have perambulated you must not have perambulated he must not have perambulated we must not have perambulated you must not have perambulated they must not have perambulated
V-ing perfect
I must not have been perambulating you must not have been perambulating he must not have been perambulating we must not have been perambulating you must not have been perambulating they must not have been perambulating
Interrogative form
Simple form
must I perambulate? must you perambulate? must he perambulate? must we perambulate? must you perambulate? must they perambulate?
V-ing form
must I be perambulating? must you be perambulating? must he be perambulating? must we be perambulating? must you be perambulating? must they be perambulating?
Perfect
must I have perambulated? must you have perambulated? must he have perambulated? must we have perambulated? must you have perambulated? must they have perambulated?
V-ing perfect
must I have been perambulating? must you have been perambulating? must he have been perambulating? must we have been perambulating? must you have been perambulating? must they have been perambulating?
Interro-negative form
Simple form
must I not perambulate? must you not perambulate? must he not perambulate? must we not perambulate? must you not perambulate? must they not perambulate?
V-ing form
must I not be perambulating? must you not be perambulating? must he not be perambulating? must we not be perambulating? must you not be perambulating? must they not be perambulating?
Perfect
must I not have perambulated? must you not have perambulated? must he not have perambulated? must we not have perambulated? must you not have perambulated? must they not have perambulated?
V-ing perfect
must I not have been perambulating? must you not have been perambulating? must he not have been perambulating? must we not have been perambulating? must you not have been perambulating? must they not have been perambulating?