I'd be lathering you'd be lathering he'd be lathering we'd be lathering you'd be lathering they'd be lathering
Perfect
I should've lathered you should've lathered he should've lathered we should've lathered you should've lathered they should've lathered
V-ing perfect
I should've been lathering you should've been lathering he should've been lathering we should've been lathering you should've been lathering they should've been lathering
Negation
Simple form
I shouldn't lather you shouldn't lather he shouldn't lather we shouldn't lather you shouldn't lather they shouldn't lather
V-ing form
I shouldn't be lathering you shouldn't be lathering he shouldn't be lathering we shouldn't be lathering you shouldn't be lathering they shouldn't be lathering
Perfect
I shouldn't have lathered you shouldn't have lathered he shouldn't have lathered we shouldn't have lathered you shouldn't have lathered they shouldn't have lathered
V-ing perfect
I shouldn't have been lathering you shouldn't have been lathering he shouldn't have been lathering we shouldn't have been lathering you shouldn't have been lathering they shouldn't have been lathering
Interrogative form
Simple form
should I lather? should you lather? should he lather? should we lather? should you lather? should they lather?
V-ing form
should I be lathering? should you be lathering? should he be lathering? should we be lathering? should you be lathering? should they be lathering?
Perfect
should I have lathered? should you have lathered? should he have lathered? should we have lathered? should you have lathered? should they have lathered?
V-ing perfect
should I have been lathering? should you have been lathering? should he have been lathering? should we have been lathering? should you have been lathering? should they have been lathering?
Interro-negative form
Simple form
shouldn't I lather? shouldn't you lather? shouldn't he lather? shouldn't we lather? shouldn't you lather? shouldn't they lather?
V-ing form
shouldn't I be lathering? shouldn't you be lathering? shouldn't he be lathering? shouldn't we be lathering? shouldn't you be lathering? shouldn't they be lathering?
Perfect
shouldn't I have lathered? shouldn't you have lathered? shouldn't he have lathered? shouldn't we have lathered? shouldn't you have lathered? shouldn't they have lathered?
V-ing perfect
shouldn't I have been lathering? shouldn't you have been lathering? shouldn't he have been lathering? shouldn't we have been lathering? shouldn't you have been lathering? shouldn't they have been lathering?