should tank
Regular verb: tank - tanked- tanked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd tank
you'd tank
he'd tank
we'd tank
you'd tank
they'd tank 	I'd be tanking
you'd be tanking
he'd be tanking
we'd be tanking
you'd be tanking
they'd be tanking	I should've tanked
you should've tanked
he should've tanked
we should've tanked
you should've tanked
they should've tanked	I should've been tanking
you should've been tanking
he should've been tanking
we should've been tanking
you should've been tanking
they should've been tanking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't tank
you shouldn't tank
he shouldn't tank
we shouldn't tank
you shouldn't tank
they shouldn't tank 	I shouldn't be tanking
you shouldn't be tanking
he shouldn't be tanking
we shouldn't be tanking
you shouldn't be tanking
they shouldn't be tanking	I shouldn't have tanked
you shouldn't have tanked
he shouldn't have tanked
we shouldn't have tanked
you shouldn't have tanked
they shouldn't have tanked	I shouldn't have been tanking
you shouldn't have been tanking
he shouldn't have been tanking
we shouldn't have been tanking
you shouldn't have been tanking
they shouldn't have been tanking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I tank?
should you tank?
should he tank?
should we tank?
should you tank?
should they tank? 	should I be tanking?
should you be tanking?
should he be tanking?
should we be tanking?
should you be tanking?
should they be tanking? 	should I have tanked?
should you have tanked?
should he have tanked?
should we have tanked?
should you have tanked?
should they have tanked? 	should I have been tanking?
should you have been tanking?
should he have been tanking?
should we have been tanking?
should you have been tanking?
should they have been tanking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I tank?
shouldn't you tank?
shouldn't he tank?
shouldn't we tank?
shouldn't you tank?
shouldn't they tank? 	shouldn't I be tanking?
shouldn't you be tanking?
shouldn't he be tanking?
shouldn't we be tanking?
shouldn't you be tanking?
shouldn't they be tanking? 	shouldn't I have tanked?
shouldn't you have tanked?
shouldn't he have tanked?
shouldn't we have tanked?
shouldn't you have tanked?
shouldn't they have tanked? 	shouldn't I have been tanking?
shouldn't you have been tanking?
shouldn't he have been tanking?
shouldn't we have been tanking?
shouldn't you have been tanking?
shouldn't they have been tanking?