should nibble
Verbo regular: nibble - nibbled- nibbled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd nibble
you'd nibble
he'd nibble
we'd nibble
you'd nibble
they'd nibble 	I'd be nibbling
you'd be nibbling
he'd be nibbling
we'd be nibbling
you'd be nibbling
they'd be nibbling	I should've nibbled
you should've nibbled
he should've nibbled
we should've nibbled
you should've nibbled
they should've nibbled	I should've been nibbling
you should've been nibbling
he should've been nibbling
we should've been nibbling
you should've been nibbling
they should've been nibbling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't nibble
you shouldn't nibble
he shouldn't nibble
we shouldn't nibble
you shouldn't nibble
they shouldn't nibble 	I shouldn't be nibbling
you shouldn't be nibbling
he shouldn't be nibbling
we shouldn't be nibbling
you shouldn't be nibbling
they shouldn't be nibbling	I shouldn't have nibbled
you shouldn't have nibbled
he shouldn't have nibbled
we shouldn't have nibbled
you shouldn't have nibbled
they shouldn't have nibbled	I shouldn't have been nibbling
you shouldn't have been nibbling
he shouldn't have been nibbling
we shouldn't have been nibbling
you shouldn't have been nibbling
they shouldn't have been nibbling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I nibble?
should you nibble?
should he nibble?
should we nibble?
should you nibble?
should they nibble? 	should I be nibbling?
should you be nibbling?
should he be nibbling?
should we be nibbling?
should you be nibbling?
should they be nibbling? 	should I have nibbled?
should you have nibbled?
should he have nibbled?
should we have nibbled?
should you have nibbled?
should they have nibbled? 	should I have been nibbling?
should you have been nibbling?
should he have been nibbling?
should we have been nibbling?
should you have been nibbling?
should they have been nibbling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I nibble?
shouldn't you nibble?
shouldn't he nibble?
shouldn't we nibble?
shouldn't you nibble?
shouldn't they nibble? 	shouldn't I be nibbling?
shouldn't you be nibbling?
shouldn't he be nibbling?
shouldn't we be nibbling?
shouldn't you be nibbling?
shouldn't they be nibbling? 	shouldn't I have nibbled?
shouldn't you have nibbled?
shouldn't he have nibbled?
shouldn't we have nibbled?
shouldn't you have nibbled?
shouldn't they have nibbled? 	shouldn't I have been nibbling?
shouldn't you have been nibbling?
shouldn't he have been nibbling?
shouldn't we have been nibbling?
shouldn't you have been nibbling?
shouldn't they have been nibbling?