should yank
Regular verb: yank - yanked- yanked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd yank
you'd yank
he'd yank
we'd yank
you'd yank
they'd yank 	I'd be yanking
you'd be yanking
he'd be yanking
we'd be yanking
you'd be yanking
they'd be yanking	I should've yanked
you should've yanked
he should've yanked
we should've yanked
you should've yanked
they should've yanked	I should've been yanking
you should've been yanking
he should've been yanking
we should've been yanking
you should've been yanking
they should've been yanking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't yank
you shouldn't yank
he shouldn't yank
we shouldn't yank
you shouldn't yank
they shouldn't yank 	I shouldn't be yanking
you shouldn't be yanking
he shouldn't be yanking
we shouldn't be yanking
you shouldn't be yanking
they shouldn't be yanking	I shouldn't have yanked
you shouldn't have yanked
he shouldn't have yanked
we shouldn't have yanked
you shouldn't have yanked
they shouldn't have yanked	I shouldn't have been yanking
you shouldn't have been yanking
he shouldn't have been yanking
we shouldn't have been yanking
you shouldn't have been yanking
they shouldn't have been yanking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I yank?
should you yank?
should he yank?
should we yank?
should you yank?
should they yank? 	should I be yanking?
should you be yanking?
should he be yanking?
should we be yanking?
should you be yanking?
should they be yanking? 	should I have yanked?
should you have yanked?
should he have yanked?
should we have yanked?
should you have yanked?
should they have yanked? 	should I have been yanking?
should you have been yanking?
should he have been yanking?
should we have been yanking?
should you have been yanking?
should they have been yanking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I yank?
shouldn't you yank?
shouldn't he yank?
shouldn't we yank?
shouldn't you yank?
shouldn't they yank? 	shouldn't I be yanking?
shouldn't you be yanking?
shouldn't he be yanking?
shouldn't we be yanking?
shouldn't you be yanking?
shouldn't they be yanking? 	shouldn't I have yanked?
shouldn't you have yanked?
shouldn't he have yanked?
shouldn't we have yanked?
shouldn't you have yanked?
shouldn't they have yanked? 	shouldn't I have been yanking?
shouldn't you have been yanking?
shouldn't he have been yanking?
shouldn't we have been yanking?
shouldn't you have been yanking?
shouldn't they have been yanking?