should pollute
Regular verb: pollute - polluted- polluted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd pollute
you'd pollute
he'd pollute
we'd pollute
you'd pollute
they'd pollute 	I'd be polluting
you'd be polluting
he'd be polluting
we'd be polluting
you'd be polluting
they'd be polluting	I should've polluted
you should've polluted
he should've polluted
we should've polluted
you should've polluted
they should've polluted	I should've been polluting
you should've been polluting
he should've been polluting
we should've been polluting
you should've been polluting
they should've been polluting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't pollute
you shouldn't pollute
he shouldn't pollute
we shouldn't pollute
you shouldn't pollute
they shouldn't pollute 	I shouldn't be polluting
you shouldn't be polluting
he shouldn't be polluting
we shouldn't be polluting
you shouldn't be polluting
they shouldn't be polluting	I shouldn't have polluted
you shouldn't have polluted
he shouldn't have polluted
we shouldn't have polluted
you shouldn't have polluted
they shouldn't have polluted	I shouldn't have been polluting
you shouldn't have been polluting
he shouldn't have been polluting
we shouldn't have been polluting
you shouldn't have been polluting
they shouldn't have been polluting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I pollute?
should you pollute?
should he pollute?
should we pollute?
should you pollute?
should they pollute? 	should I be polluting?
should you be polluting?
should he be polluting?
should we be polluting?
should you be polluting?
should they be polluting? 	should I have polluted?
should you have polluted?
should he have polluted?
should we have polluted?
should you have polluted?
should they have polluted? 	should I have been polluting?
should you have been polluting?
should he have been polluting?
should we have been polluting?
should you have been polluting?
should they have been polluting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I pollute?
shouldn't you pollute?
shouldn't he pollute?
shouldn't we pollute?
shouldn't you pollute?
shouldn't they pollute? 	shouldn't I be polluting?
shouldn't you be polluting?
shouldn't he be polluting?
shouldn't we be polluting?
shouldn't you be polluting?
shouldn't they be polluting? 	shouldn't I have polluted?
shouldn't you have polluted?
shouldn't he have polluted?
shouldn't we have polluted?
shouldn't you have polluted?
shouldn't they have polluted? 	shouldn't I have been polluting?
shouldn't you have been polluting?
shouldn't he have been polluting?
shouldn't we have been polluting?
shouldn't you have been polluting?
shouldn't they have been polluting?