should pop
Regular verb: pop - popped- popped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd pop
you'd pop
she'd pop
we'd pop
you'd pop
they'd pop 	I'd be popping
you'd be popping
she'd be popping
we'd be popping
you'd be popping
they'd be popping	I should've popped
you should've popped
she should've popped
we should've popped
you should've popped
they should've popped	I should've been popping
you should've been popping
she should've been popping
we should've been popping
you should've been popping
they should've been popping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't pop
you shouldn't pop
she shouldn't pop
we shouldn't pop
you shouldn't pop
they shouldn't pop 	I shouldn't be popping
you shouldn't be popping
she shouldn't be popping
we shouldn't be popping
you shouldn't be popping
they shouldn't be popping	I shouldn't have popped
you shouldn't have popped
she shouldn't have popped
we shouldn't have popped
you shouldn't have popped
they shouldn't have popped	I shouldn't have been popping
you shouldn't have been popping
she shouldn't have been popping
we shouldn't have been popping
you shouldn't have been popping
they shouldn't have been popping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I pop?
should you pop?
should she pop?
should we pop?
should you pop?
should they pop? 	should I be popping?
should you be popping?
should she be popping?
should we be popping?
should you be popping?
should they be popping? 	should I have popped?
should you have popped?
should she have popped?
should we have popped?
should you have popped?
should they have popped? 	should I have been popping?
should you have been popping?
should she have been popping?
should we have been popping?
should you have been popping?
should they have been popping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I pop?
shouldn't you pop?
shouldn't she pop?
shouldn't we pop?
shouldn't you pop?
shouldn't they pop? 	shouldn't I be popping?
shouldn't you be popping?
shouldn't she be popping?
shouldn't we be popping?
shouldn't you be popping?
shouldn't they be popping? 	shouldn't I have popped?
shouldn't you have popped?
shouldn't she have popped?
shouldn't we have popped?
shouldn't you have popped?
shouldn't they have popped? 	shouldn't I have been popping?
shouldn't you have been popping?
shouldn't she have been popping?
shouldn't we have been popping?
shouldn't you have been popping?
shouldn't they have been popping?