I should cater you should cater he should cater we should cater you should cater they should cater
V-ing form
I should be catering you should be catering he should be catering we should be catering you should be catering they should be catering
Perfect
I should have catered you should have catered he should have catered we should have catered you should have catered they should have catered
V-ing perfect
I should have been catering you should have been catering he should have been catering we should have been catering you should have been catering they should have been catering
Negation
Simple form
I should not cater you should not cater he should not cater we should not cater you should not cater they should not cater
V-ing form
I should not be catering you should not be catering he should not be catering we should not be catering you should not be catering they should not be catering
Perfect
I should not have catered you should not have catered he should not have catered we should not have catered you should not have catered they should not have catered
V-ing perfect
I should not have been catering you should not have been catering he should not have been catering we should not have been catering you should not have been catering they should not have been catering
Interrogative form
Simple form
should I cater? should you cater? should he cater? should we cater? should you cater? should they cater?
V-ing form
should I be catering? should you be catering? should he be catering? should we be catering? should you be catering? should they be catering?
Perfect
should I have catered? should you have catered? should he have catered? should we have catered? should you have catered? should they have catered?
V-ing perfect
should I have been catering? should you have been catering? should he have been catering? should we have been catering? should you have been catering? should they have been catering?
Interro-negative form
Simple form
should I not cater? should you not cater? should he not cater? should we not cater? should you not cater? should they not cater?
V-ing form
should I not be catering? should you not be catering? should he not be catering? should we not be catering? should you not be catering? should they not be catering?
Perfect
should I not have catered? should you not have catered? should he not have catered? should we not have catered? should you not have catered? should they not have catered?
V-ing perfect
should I not have been catering? should you not have been catering? should he not have been catering? should we not have been catering? should you not have been catering? should they not have been catering?