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