can nibble
Verbo regular: nibble - nibbled- nibbled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can nibble
you can nibble
he can nibble
we can nibble
you can nibble
they can nibble 	I can be nibbling
you can be nibbling
he can be nibbling
we can be nibbling
you can be nibbling
they can be nibbling	I can have nibbled
you can have nibbled
he can have nibbled
we can have nibbled
you can have nibbled
they can have nibbled	I can have been nibbling
you can have been nibbling
he can have been nibbling
we can have been nibbling
you can have been nibbling
they can have been nibbling	

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

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

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