should puncture
Regular verb: puncture - punctured- punctured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd puncture
you'd puncture
she'd puncture
we'd puncture
you'd puncture
they'd puncture 	I'd be puncturing
you'd be puncturing
she'd be puncturing
we'd be puncturing
you'd be puncturing
they'd be puncturing	I should've punctured
you should've punctured
she should've punctured
we should've punctured
you should've punctured
they should've punctured	I should've been puncturing
you should've been puncturing
she should've been puncturing
we should've been puncturing
you should've been puncturing
they should've been puncturing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't puncture
you shouldn't puncture
she shouldn't puncture
we shouldn't puncture
you shouldn't puncture
they shouldn't puncture 	I shouldn't be puncturing
you shouldn't be puncturing
she shouldn't be puncturing
we shouldn't be puncturing
you shouldn't be puncturing
they shouldn't be puncturing	I shouldn't have punctured
you shouldn't have punctured
she shouldn't have punctured
we shouldn't have punctured
you shouldn't have punctured
they shouldn't have punctured	I shouldn't have been puncturing
you shouldn't have been puncturing
she shouldn't have been puncturing
we shouldn't have been puncturing
you shouldn't have been puncturing
they shouldn't have been puncturing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I puncture?
should you puncture?
should she puncture?
should we puncture?
should you puncture?
should they puncture? 	should I be puncturing?
should you be puncturing?
should she be puncturing?
should we be puncturing?
should you be puncturing?
should they be puncturing? 	should I have punctured?
should you have punctured?
should she have punctured?
should we have punctured?
should you have punctured?
should they have punctured? 	should I have been puncturing?
should you have been puncturing?
should she have been puncturing?
should we have been puncturing?
should you have been puncturing?
should they have been puncturing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I puncture?
shouldn't you puncture?
shouldn't she puncture?
shouldn't we puncture?
shouldn't you puncture?
shouldn't they puncture? 	shouldn't I be puncturing?
shouldn't you be puncturing?
shouldn't she be puncturing?
shouldn't we be puncturing?
shouldn't you be puncturing?
shouldn't they be puncturing? 	shouldn't I have punctured?
shouldn't you have punctured?
shouldn't she have punctured?
shouldn't we have punctured?
shouldn't you have punctured?
shouldn't they have punctured? 	shouldn't I have been puncturing?
shouldn't you have been puncturing?
shouldn't she have been puncturing?
shouldn't we have been puncturing?
shouldn't you have been puncturing?
shouldn't they have been puncturing?