should crush
Regular verb: crush - crushed- crushed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd crush
you'd crush
he'd crush
we'd crush
you'd crush
they'd crush 	I'd be crushing
you'd be crushing
he'd be crushing
we'd be crushing
you'd be crushing
they'd be crushing	I should've crushed
you should've crushed
he should've crushed
we should've crushed
you should've crushed
they should've crushed	I should've been crushing
you should've been crushing
he should've been crushing
we should've been crushing
you should've been crushing
they should've been crushing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't crush
you shouldn't crush
he shouldn't crush
we shouldn't crush
you shouldn't crush
they shouldn't crush 	I shouldn't be crushing
you shouldn't be crushing
he shouldn't be crushing
we shouldn't be crushing
you shouldn't be crushing
they shouldn't be crushing	I shouldn't have crushed
you shouldn't have crushed
he shouldn't have crushed
we shouldn't have crushed
you shouldn't have crushed
they shouldn't have crushed	I shouldn't have been crushing
you shouldn't have been crushing
he shouldn't have been crushing
we shouldn't have been crushing
you shouldn't have been crushing
they shouldn't have been crushing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I crush?
should you crush?
should he crush?
should we crush?
should you crush?
should they crush? 	should I be crushing?
should you be crushing?
should he be crushing?
should we be crushing?
should you be crushing?
should they be crushing? 	should I have crushed?
should you have crushed?
should he have crushed?
should we have crushed?
should you have crushed?
should they have crushed? 	should I have been crushing?
should you have been crushing?
should he have been crushing?
should we have been crushing?
should you have been crushing?
should they have been crushing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I crush?
shouldn't you crush?
shouldn't he crush?
shouldn't we crush?
shouldn't you crush?
shouldn't they crush? 	shouldn't I be crushing?
shouldn't you be crushing?
shouldn't he be crushing?
shouldn't we be crushing?
shouldn't you be crushing?
shouldn't they be crushing? 	shouldn't I have crushed?
shouldn't you have crushed?
shouldn't he have crushed?
shouldn't we have crushed?
shouldn't you have crushed?
shouldn't they have crushed? 	shouldn't I have been crushing?
shouldn't you have been crushing?
shouldn't he have been crushing?
shouldn't we have been crushing?
shouldn't you have been crushing?
shouldn't they have been crushing?