I can reprove you can reprove he can reprove we can reprove you can reprove they can reprove
V-ing form
I can be reproving you can be reproving he can be reproving we can be reproving you can be reproving they can be reproving
Perfect
I can have reproved you can have reproved he can have reproved we can have reproved you can have reproved they can have reproved
V-ing perfect
I can have been reproving you can have been reproving he can have been reproving we can have been reproving you can have been reproving they can have been reproving
Negation
Simple form
I can't reprove you can't reprove he can't reprove we can't reprove you can't reprove they can't reprove
V-ing form
I can't be reproving you can't be reproving he can't be reproving we can't be reproving you can't be reproving they can't be reproving
Perfect
I can't have reproved you can't have reproved he can't have reproved we can't have reproved you can't have reproved they can't have reproved
V-ing perfect
I can't have been reproving you can't have been reproving he can't have been reproving we can't have been reproving you can't have been reproving they can't have been reproving
Interrogative form
Simple form
can I reprove? can you reprove? can he reprove? can we reprove? can you reprove? can they reprove?
V-ing form
can I be reproving? can you be reproving? can he be reproving? can we be reproving? can you be reproving? can they be reproving?
Perfect
can I have reproved? can you have reproved? can he have reproved? can we have reproved? can you have reproved? can they have reproved?
V-ing perfect
can I have been reproving? can you have been reproving? can he have been reproving? can we have been reproving? can you have been reproving? can they have been reproving?
Interro-negative form
Simple form
can't I reprove? can't you reprove? can't he reprove? can't we reprove? can't you reprove? can't they reprove?
V-ing form
can't I be reproving? can't you be reproving? can't he be reproving? can't we be reproving? can't you be reproving? can't they be reproving?
Perfect
can't I have reproved? can't you have reproved? can't he have reproved? can't we have reproved? can't you have reproved? can't they have reproved?
V-ing perfect
can't I have been reproving? can't you have been reproving? can't he have been reproving? can't we have been reproving? can't you have been reproving? can't they have been reproving?