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