I can counterpoise you can counterpoise he can counterpoise we can counterpoise you can counterpoise they can counterpoise
V-ing form
I can be counterpoising you can be counterpoising he can be counterpoising we can be counterpoising you can be counterpoising they can be counterpoising
Perfect
I can have counterpoised you can have counterpoised he can have counterpoised we can have counterpoised you can have counterpoised they can have counterpoised
V-ing perfect
I can have been counterpoising you can have been counterpoising he can have been counterpoising we can have been counterpoising you can have been counterpoising they can have been counterpoising
Negation
Simple form
I can't counterpoise you can't counterpoise he can't counterpoise we can't counterpoise you can't counterpoise they can't counterpoise
V-ing form
I can't be counterpoising you can't be counterpoising he can't be counterpoising we can't be counterpoising you can't be counterpoising they can't be counterpoising
Perfect
I can't have counterpoised you can't have counterpoised he can't have counterpoised we can't have counterpoised you can't have counterpoised they can't have counterpoised
V-ing perfect
I can't have been counterpoising you can't have been counterpoising he can't have been counterpoising we can't have been counterpoising you can't have been counterpoising they can't have been counterpoising
Interrogative form
Simple form
can I counterpoise? can you counterpoise? can he counterpoise? can we counterpoise? can you counterpoise? can they counterpoise?
V-ing form
can I be counterpoising? can you be counterpoising? can he be counterpoising? can we be counterpoising? can you be counterpoising? can they be counterpoising?
Perfect
can I have counterpoised? can you have counterpoised? can he have counterpoised? can we have counterpoised? can you have counterpoised? can they have counterpoised?
V-ing perfect
can I have been counterpoising? can you have been counterpoising? can he have been counterpoising? can we have been counterpoising? can you have been counterpoising? can they have been counterpoising?
Interro-negative form
Simple form
can't I counterpoise? can't you counterpoise? can't he counterpoise? can't we counterpoise? can't you counterpoise? can't they counterpoise?
V-ing form
can't I be counterpoising? can't you be counterpoising? can't he be counterpoising? can't we be counterpoising? can't you be counterpoising? can't they be counterpoising?
Perfect
can't I have counterpoised? can't you have counterpoised? can't he have counterpoised? can't we have counterpoised? can't you have counterpoised? can't they have counterpoised?
V-ing perfect
can't I have been counterpoising? can't you have been counterpoising? can't he have been counterpoising? can't we have been counterpoising? can't you have been counterpoising? can't they have been counterpoising?