English verb conjugation
SHOULD COLLECT

Regular verb: collect - collected - collected

Affirmation

Simple form	V-ing form
I'd collect you'd collect he'd collect we'd collect you'd collect they'd collect	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	V-ing 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	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	V-ing 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	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	V-ing 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	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	V-ing form
should I collect? should you collect? should he collect? should we collect? should you collect? should they collect?	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	V-ing 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?	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	V-ing 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?	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	V-ing 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?	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?