should backpack
Regular verb: backpack - backpacked- backpacked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd backpack
you'd backpack
he'd backpack
we'd backpack
you'd backpack
they'd backpack 	I'd be backpacking
you'd be backpacking
he'd be backpacking
we'd be backpacking
you'd be backpacking
they'd be backpacking	I should've backpacked
you should've backpacked
he should've backpacked
we should've backpacked
you should've backpacked
they should've backpacked	I should've been backpacking
you should've been backpacking
he should've been backpacking
we should've been backpacking
you should've been backpacking
they should've been backpacking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't backpack
you shouldn't backpack
he shouldn't backpack
we shouldn't backpack
you shouldn't backpack
they shouldn't backpack 	I shouldn't be backpacking
you shouldn't be backpacking
he shouldn't be backpacking
we shouldn't be backpacking
you shouldn't be backpacking
they shouldn't be backpacking	I shouldn't have backpacked
you shouldn't have backpacked
he shouldn't have backpacked
we shouldn't have backpacked
you shouldn't have backpacked
they shouldn't have backpacked	I shouldn't have been backpacking
you shouldn't have been backpacking
he shouldn't have been backpacking
we shouldn't have been backpacking
you shouldn't have been backpacking
they shouldn't have been backpacking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I backpack?
should you backpack?
should he backpack?
should we backpack?
should you backpack?
should they backpack? 	should I be backpacking?
should you be backpacking?
should he be backpacking?
should we be backpacking?
should you be backpacking?
should they be backpacking? 	should I have backpacked?
should you have backpacked?
should he have backpacked?
should we have backpacked?
should you have backpacked?
should they have backpacked? 	should I have been backpacking?
should you have been backpacking?
should he have been backpacking?
should we have been backpacking?
should you have been backpacking?
should they have been backpacking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I backpack?
shouldn't you backpack?
shouldn't he backpack?
shouldn't we backpack?
shouldn't you backpack?
shouldn't they backpack? 	shouldn't I be backpacking?
shouldn't you be backpacking?
shouldn't he be backpacking?
shouldn't we be backpacking?
shouldn't you be backpacking?
shouldn't they be backpacking? 	shouldn't I have backpacked?
shouldn't you have backpacked?
shouldn't he have backpacked?
shouldn't we have backpacked?
shouldn't you have backpacked?
shouldn't they have backpacked? 	shouldn't I have been backpacking?
shouldn't you have been backpacking?
shouldn't he have been backpacking?
shouldn't we have been backpacking?
shouldn't you have been backpacking?
shouldn't they have been backpacking?