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