should ruck
Regular verb: ruck - rucked- rucked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd ruck
you'd ruck
he'd ruck
we'd ruck
you'd ruck
they'd ruck 	I'd be rucking
you'd be rucking
he'd be rucking
we'd be rucking
you'd be rucking
they'd be rucking	I should've rucked
you should've rucked
he should've rucked
we should've rucked
you should've rucked
they should've rucked	I should've been rucking
you should've been rucking
he should've been rucking
we should've been rucking
you should've been rucking
they should've been rucking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't ruck
you shouldn't ruck
he shouldn't ruck
we shouldn't ruck
you shouldn't ruck
they shouldn't ruck 	I shouldn't be rucking
you shouldn't be rucking
he shouldn't be rucking
we shouldn't be rucking
you shouldn't be rucking
they shouldn't be rucking	I shouldn't have rucked
you shouldn't have rucked
he shouldn't have rucked
we shouldn't have rucked
you shouldn't have rucked
they shouldn't have rucked	I shouldn't have been rucking
you shouldn't have been rucking
he shouldn't have been rucking
we shouldn't have been rucking
you shouldn't have been rucking
they shouldn't have been rucking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I ruck?
should you ruck?
should he ruck?
should we ruck?
should you ruck?
should they ruck? 	should I be rucking?
should you be rucking?
should he be rucking?
should we be rucking?
should you be rucking?
should they be rucking? 	should I have rucked?
should you have rucked?
should he have rucked?
should we have rucked?
should you have rucked?
should they have rucked? 	should I have been rucking?
should you have been rucking?
should he have been rucking?
should we have been rucking?
should you have been rucking?
should they have been rucking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I ruck?
shouldn't you ruck?
shouldn't he ruck?
shouldn't we ruck?
shouldn't you ruck?
shouldn't they ruck? 	shouldn't I be rucking?
shouldn't you be rucking?
shouldn't he be rucking?
shouldn't we be rucking?
shouldn't you be rucking?
shouldn't they be rucking? 	shouldn't I have rucked?
shouldn't you have rucked?
shouldn't he have rucked?
shouldn't we have rucked?
shouldn't you have rucked?
shouldn't they have rucked? 	shouldn't I have been rucking?
shouldn't you have been rucking?
shouldn't he have been rucking?
shouldn't we have been rucking?
shouldn't you have been rucking?
shouldn't they have been rucking?