I should trim you should trim she should trim we should trim you should trim they should trim
V-ing form
I should be trimming you should be trimming she should be trimming we should be trimming you should be trimming they should be trimming
Perfect
I should have trimmed you should have trimmed she should have trimmed we should have trimmed you should have trimmed they should have trimmed
V-ing perfect
I should have been trimming you should have been trimming she should have been trimming we should have been trimming you should have been trimming they should have been trimming
Negation
Simple form
I should not trim you should not trim she should not trim we should not trim you should not trim they should not trim
V-ing form
I should not be trimming you should not be trimming she should not be trimming we should not be trimming you should not be trimming they should not be trimming
Perfect
I should not have trimmed you should not have trimmed she should not have trimmed we should not have trimmed you should not have trimmed they should not have trimmed
V-ing perfect
I should not have been trimming you should not have been trimming she should not have been trimming we should not have been trimming you should not have been trimming they should not have been trimming
Interrogative form
Simple form
should I trim? should you trim? should she trim? should we trim? should you trim? should they trim?
V-ing form
should I be trimming? should you be trimming? should she be trimming? should we be trimming? should you be trimming? should they be trimming?
Perfect
should I have trimmed? should you have trimmed? should she have trimmed? should we have trimmed? should you have trimmed? should they have trimmed?
V-ing perfect
should I have been trimming? should you have been trimming? should she have been trimming? should we have been trimming? should you have been trimming? should they have been trimming?
Interro-negative form
Simple form
should I not trim? should you not trim? should she not trim? should we not trim? should you not trim? should they not trim?
V-ing form
should I not be trimming? should you not be trimming? should she not be trimming? should we not be trimming? should you not be trimming? should they not be trimming?
Perfect
should I not have trimmed? should you not have trimmed? should she not have trimmed? should we not have trimmed? should you not have trimmed? should they not have trimmed?
V-ing perfect
should I not have been trimming? should you not have been trimming? should she not have been trimming? should we not have been trimming? should you not have been trimming? should they not have been trimming?