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