I can judge you can judge he can judge we can judge you can judge they can judge
V-ing form
I can be judging you can be judging he can be judging we can be judging you can be judging they can be judging
Perfect
I can have judged you can have judged he can have judged we can have judged you can have judged they can have judged
V-ing perfect
I can have been judging you can have been judging he can have been judging we can have been judging you can have been judging they can have been judging
Negation
Simple form
I can't judge you can't judge he can't judge we can't judge you can't judge they can't judge
V-ing form
I can't be judging you can't be judging he can't be judging we can't be judging you can't be judging they can't be judging
Perfect
I can't have judged you can't have judged he can't have judged we can't have judged you can't have judged they can't have judged
V-ing perfect
I can't have been judging you can't have been judging he can't have been judging we can't have been judging you can't have been judging they can't have been judging
Interrogative form
Simple form
can I judge? can you judge? can he judge? can we judge? can you judge? can they judge?
V-ing form
can I be judging? can you be judging? can he be judging? can we be judging? can you be judging? can they be judging?
Perfect
can I have judged? can you have judged? can he have judged? can we have judged? can you have judged? can they have judged?
V-ing perfect
can I have been judging? can you have been judging? can he have been judging? can we have been judging? can you have been judging? can they have been judging?
Interro-negative form
Simple form
can't I judge? can't you judge? can't he judge? can't we judge? can't you judge? can't they judge?
V-ing form
can't I be judging? can't you be judging? can't he be judging? can't we be judging? can't you be judging? can't they be judging?
Perfect
can't I have judged? can't you have judged? can't he have judged? can't we have judged? can't you have judged? can't they have judged?
V-ing perfect
can't I have been judging? can't you have been judging? can't he have been judging? can't we have been judging? can't you have been judging? can't they have been judging?