should fritter
Regular verb: fritter - frittered- frittered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd fritter
you'd fritter
he'd fritter
we'd fritter
you'd fritter
they'd fritter 	I'd be frittering
you'd be frittering
he'd be frittering
we'd be frittering
you'd be frittering
they'd be frittering	I should've frittered
you should've frittered
he should've frittered
we should've frittered
you should've frittered
they should've frittered	I should've been frittering
you should've been frittering
he should've been frittering
we should've been frittering
you should've been frittering
they should've been frittering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't fritter
you shouldn't fritter
he shouldn't fritter
we shouldn't fritter
you shouldn't fritter
they shouldn't fritter 	I shouldn't be frittering
you shouldn't be frittering
he shouldn't be frittering
we shouldn't be frittering
you shouldn't be frittering
they shouldn't be frittering	I shouldn't have frittered
you shouldn't have frittered
he shouldn't have frittered
we shouldn't have frittered
you shouldn't have frittered
they shouldn't have frittered	I shouldn't have been frittering
you shouldn't have been frittering
he shouldn't have been frittering
we shouldn't have been frittering
you shouldn't have been frittering
they shouldn't have been frittering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I fritter?
should you fritter?
should he fritter?
should we fritter?
should you fritter?
should they fritter? 	should I be frittering?
should you be frittering?
should he be frittering?
should we be frittering?
should you be frittering?
should they be frittering? 	should I have frittered?
should you have frittered?
should he have frittered?
should we have frittered?
should you have frittered?
should they have frittered? 	should I have been frittering?
should you have been frittering?
should he have been frittering?
should we have been frittering?
should you have been frittering?
should they have been frittering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I fritter?
shouldn't you fritter?
shouldn't he fritter?
shouldn't we fritter?
shouldn't you fritter?
shouldn't they fritter? 	shouldn't I be frittering?
shouldn't you be frittering?
shouldn't he be frittering?
shouldn't we be frittering?
shouldn't you be frittering?
shouldn't they be frittering? 	shouldn't I have frittered?
shouldn't you have frittered?
shouldn't he have frittered?
shouldn't we have frittered?
shouldn't you have frittered?
shouldn't they have frittered? 	shouldn't I have been frittering?
shouldn't you have been frittering?
shouldn't he have been frittering?
shouldn't we have been frittering?
shouldn't you have been frittering?
shouldn't they have been frittering?