I'd be catering you'd be catering she'd be catering we'd be catering you'd be catering they'd be catering
Perfect
I should've catered you should've catered she should've catered we should've catered you should've catered they should've catered
V-ing perfect
I should've been catering you should've been catering she should've been catering we should've been catering you should've been catering they should've been catering
Negation
Simple form
I shouldn't cater you shouldn't cater she shouldn't cater we shouldn't cater you shouldn't cater they shouldn't cater
V-ing form
I shouldn't be catering you shouldn't be catering she shouldn't be catering we shouldn't be catering you shouldn't be catering they shouldn't be catering
Perfect
I shouldn't have catered you shouldn't have catered she shouldn't have catered we shouldn't have catered you shouldn't have catered they shouldn't have catered
V-ing perfect
I shouldn't have been catering you shouldn't have been catering she shouldn't have been catering we shouldn't have been catering you shouldn't have been catering they shouldn't have been catering
Interrogative form
Simple form
should I cater? should you cater? should she cater? should we cater? should you cater? should they cater?
V-ing form
should I be catering? should you be catering? should she be catering? should we be catering? should you be catering? should they be catering?
Perfect
should I have catered? should you have catered? should she 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 she have been catering? should we have been catering? should you have been catering? should they have been catering?
Interro-negative form
Simple form
shouldn't I cater? shouldn't you cater? shouldn't she cater? shouldn't we cater? shouldn't you cater? shouldn't they cater?
V-ing form
shouldn't I be catering? shouldn't you be catering? shouldn't she be catering? shouldn't we be catering? shouldn't you be catering? shouldn't they be catering?
Perfect
shouldn't I have catered? shouldn't you have catered? shouldn't she have catered? shouldn't we have catered? shouldn't you have catered? shouldn't they have catered?
V-ing perfect
shouldn't I have been catering? shouldn't you have been catering? shouldn't she have been catering? shouldn't we have been catering? shouldn't you have been catering? shouldn't they have been catering?