should prototype
Regular verb: prototype - prototyped- prototyped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd prototype
you'd prototype
she'd prototype
we'd prototype
you'd prototype
they'd prototype 	I'd be prototyping
you'd be prototyping
she'd be prototyping
we'd be prototyping
you'd be prototyping
they'd be prototyping	I should've prototyped
you should've prototyped
she should've prototyped
we should've prototyped
you should've prototyped
they should've prototyped	I should've been prototyping
you should've been prototyping
she should've been prototyping
we should've been prototyping
you should've been prototyping
they should've been prototyping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't prototype
you shouldn't prototype
she shouldn't prototype
we shouldn't prototype
you shouldn't prototype
they shouldn't prototype 	I shouldn't be prototyping
you shouldn't be prototyping
she shouldn't be prototyping
we shouldn't be prototyping
you shouldn't be prototyping
they shouldn't be prototyping	I shouldn't have prototyped
you shouldn't have prototyped
she shouldn't have prototyped
we shouldn't have prototyped
you shouldn't have prototyped
they shouldn't have prototyped	I shouldn't have been prototyping
you shouldn't have been prototyping
she shouldn't have been prototyping
we shouldn't have been prototyping
you shouldn't have been prototyping
they shouldn't have been prototyping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I prototype?
should you prototype?
should she prototype?
should we prototype?
should you prototype?
should they prototype? 	should I be prototyping?
should you be prototyping?
should she be prototyping?
should we be prototyping?
should you be prototyping?
should they be prototyping? 	should I have prototyped?
should you have prototyped?
should she have prototyped?
should we have prototyped?
should you have prototyped?
should they have prototyped? 	should I have been prototyping?
should you have been prototyping?
should she have been prototyping?
should we have been prototyping?
should you have been prototyping?
should they have been prototyping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I prototype?
shouldn't you prototype?
shouldn't she prototype?
shouldn't we prototype?
shouldn't you prototype?
shouldn't they prototype? 	shouldn't I be prototyping?
shouldn't you be prototyping?
shouldn't she be prototyping?
shouldn't we be prototyping?
shouldn't you be prototyping?
shouldn't they be prototyping? 	shouldn't I have prototyped?
shouldn't you have prototyped?
shouldn't she have prototyped?
shouldn't we have prototyped?
shouldn't you have prototyped?
shouldn't they have prototyped? 	shouldn't I have been prototyping?
shouldn't you have been prototyping?
shouldn't she have been prototyping?
shouldn't we have been prototyping?
shouldn't you have been prototyping?
shouldn't they have been prototyping?