should brain
Regular verb: brain - brained- brained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd brain
you'd brain
she'd brain
we'd brain
you'd brain
they'd brain 	I'd be braining
you'd be braining
she'd be braining
we'd be braining
you'd be braining
they'd be braining	I should've brained
you should've brained
she should've brained
we should've brained
you should've brained
they should've brained	I should've been braining
you should've been braining
she should've been braining
we should've been braining
you should've been braining
they should've been braining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't brain
you shouldn't brain
she shouldn't brain
we shouldn't brain
you shouldn't brain
they shouldn't brain 	I shouldn't be braining
you shouldn't be braining
she shouldn't be braining
we shouldn't be braining
you shouldn't be braining
they shouldn't be braining	I shouldn't have brained
you shouldn't have brained
she shouldn't have brained
we shouldn't have brained
you shouldn't have brained
they shouldn't have brained	I shouldn't have been braining
you shouldn't have been braining
she shouldn't have been braining
we shouldn't have been braining
you shouldn't have been braining
they shouldn't have been braining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I brain?
should you brain?
should she brain?
should we brain?
should you brain?
should they brain? 	should I be braining?
should you be braining?
should she be braining?
should we be braining?
should you be braining?
should they be braining? 	should I have brained?
should you have brained?
should she have brained?
should we have brained?
should you have brained?
should they have brained? 	should I have been braining?
should you have been braining?
should she have been braining?
should we have been braining?
should you have been braining?
should they have been braining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I brain?
shouldn't you brain?
shouldn't she brain?
shouldn't we brain?
shouldn't you brain?
shouldn't they brain? 	shouldn't I be braining?
shouldn't you be braining?
shouldn't she be braining?
shouldn't we be braining?
shouldn't you be braining?
shouldn't they be braining? 	shouldn't I have brained?
shouldn't you have brained?
shouldn't she have brained?
shouldn't we have brained?
shouldn't you have brained?
shouldn't they have brained? 	shouldn't I have been braining?
shouldn't you have been braining?
shouldn't she have been braining?
shouldn't we have been braining?
shouldn't you have been braining?
shouldn't they have been braining?