should precook
Regular verb: precook - precooked- precooked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd precook
you'd precook
she'd precook
we'd precook
you'd precook
they'd precook 	I'd be precooking
you'd be precooking
she'd be precooking
we'd be precooking
you'd be precooking
they'd be precooking	I should've precooked
you should've precooked
she should've precooked
we should've precooked
you should've precooked
they should've precooked	I should've been precooking
you should've been precooking
she should've been precooking
we should've been precooking
you should've been precooking
they should've been precooking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't precook
you shouldn't precook
she shouldn't precook
we shouldn't precook
you shouldn't precook
they shouldn't precook 	I shouldn't be precooking
you shouldn't be precooking
she shouldn't be precooking
we shouldn't be precooking
you shouldn't be precooking
they shouldn't be precooking	I shouldn't have precooked
you shouldn't have precooked
she shouldn't have precooked
we shouldn't have precooked
you shouldn't have precooked
they shouldn't have precooked	I shouldn't have been precooking
you shouldn't have been precooking
she shouldn't have been precooking
we shouldn't have been precooking
you shouldn't have been precooking
they shouldn't have been precooking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I precook?
should you precook?
should she precook?
should we precook?
should you precook?
should they precook? 	should I be precooking?
should you be precooking?
should she be precooking?
should we be precooking?
should you be precooking?
should they be precooking? 	should I have precooked?
should you have precooked?
should she have precooked?
should we have precooked?
should you have precooked?
should they have precooked? 	should I have been precooking?
should you have been precooking?
should she have been precooking?
should we have been precooking?
should you have been precooking?
should they have been precooking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I precook?
shouldn't you precook?
shouldn't she precook?
shouldn't we precook?
shouldn't you precook?
shouldn't they precook? 	shouldn't I be precooking?
shouldn't you be precooking?
shouldn't she be precooking?
shouldn't we be precooking?
shouldn't you be precooking?
shouldn't they be precooking? 	shouldn't I have precooked?
shouldn't you have precooked?
shouldn't she have precooked?
shouldn't we have precooked?
shouldn't you have precooked?
shouldn't they have precooked? 	shouldn't I have been precooking?
shouldn't you have been precooking?
shouldn't she have been precooking?
shouldn't we have been precooking?
shouldn't you have been precooking?
shouldn't they have been precooking?