should crust
Verbo regular: crust - crusted- crusted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd crust
you'd crust
he'd crust
we'd crust
you'd crust
they'd crust 	I'd be crusting
you'd be crusting
he'd be crusting
we'd be crusting
you'd be crusting
they'd be crusting	I should've crusted
you should've crusted
he should've crusted
we should've crusted
you should've crusted
they should've crusted	I should've been crusting
you should've been crusting
he should've been crusting
we should've been crusting
you should've been crusting
they should've been crusting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't crust
you shouldn't crust
he shouldn't crust
we shouldn't crust
you shouldn't crust
they shouldn't crust 	I shouldn't be crusting
you shouldn't be crusting
he shouldn't be crusting
we shouldn't be crusting
you shouldn't be crusting
they shouldn't be crusting	I shouldn't have crusted
you shouldn't have crusted
he shouldn't have crusted
we shouldn't have crusted
you shouldn't have crusted
they shouldn't have crusted	I shouldn't have been crusting
you shouldn't have been crusting
he shouldn't have been crusting
we shouldn't have been crusting
you shouldn't have been crusting
they shouldn't have been crusting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I crust?
should you crust?
should he crust?
should we crust?
should you crust?
should they crust? 	should I be crusting?
should you be crusting?
should he be crusting?
should we be crusting?
should you be crusting?
should they be crusting? 	should I have crusted?
should you have crusted?
should he have crusted?
should we have crusted?
should you have crusted?
should they have crusted? 	should I have been crusting?
should you have been crusting?
should he have been crusting?
should we have been crusting?
should you have been crusting?
should they have been crusting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I crust?
shouldn't you crust?
shouldn't he crust?
shouldn't we crust?
shouldn't you crust?
shouldn't they crust? 	shouldn't I be crusting?
shouldn't you be crusting?
shouldn't he be crusting?
shouldn't we be crusting?
shouldn't you be crusting?
shouldn't they be crusting? 	shouldn't I have crusted?
shouldn't you have crusted?
shouldn't he have crusted?
shouldn't we have crusted?
shouldn't you have crusted?
shouldn't they have crusted? 	shouldn't I have been crusting?
shouldn't you have been crusting?
shouldn't he have been crusting?
shouldn't we have been crusting?
shouldn't you have been crusting?
shouldn't they have been crusting?