I should detain you should detain she should detain we should detain you should detain they should detain
V-ing form
I should be detaining you should be detaining she should be detaining we should be detaining you should be detaining they should be detaining
Perfect
I should have detained you should have detained she should have detained we should have detained you should have detained they should have detained
V-ing perfect
I should have been detaining you should have been detaining she should have been detaining we should have been detaining you should have been detaining they should have been detaining
Negation
Simple form
I should not detain you should not detain she should not detain we should not detain you should not detain they should not detain
V-ing form
I should not be detaining you should not be detaining she should not be detaining we should not be detaining you should not be detaining they should not be detaining
Perfect
I should not have detained you should not have detained she should not have detained we should not have detained you should not have detained they should not have detained
V-ing perfect
I should not have been detaining you should not have been detaining she should not have been detaining we should not have been detaining you should not have been detaining they should not have been detaining
Interrogative form
Simple form
should I detain? should you detain? should she detain? should we detain? should you detain? should they detain?
V-ing form
should I be detaining? should you be detaining? should she be detaining? should we be detaining? should you be detaining? should they be detaining?
Perfect
should I have detained? should you have detained? should she have detained? should we have detained? should you have detained? should they have detained?
V-ing perfect
should I have been detaining? should you have been detaining? should she have been detaining? should we have been detaining? should you have been detaining? should they have been detaining?
Interro-negative form
Simple form
should I not detain? should you not detain? should she not detain? should we not detain? should you not detain? should they not detain?
V-ing form
should I not be detaining? should you not be detaining? should she not be detaining? should we not be detaining? should you not be detaining? should they not be detaining?
Perfect
should I not have detained? should you not have detained? should she not have detained? should we not have detained? should you not have detained? should they not have detained?
V-ing perfect
should I not have been detaining? should you not have been detaining? should she not have been detaining? should we not have been detaining? should you not have been detaining? should they not have been detaining?