can nibble
Verbo regular: nibble - nibbled- nibbled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can nibble
you can nibble
she can nibble
we can nibble
you can nibble
they can nibble 	I can be nibbling
you can be nibbling
she can be nibbling
we can be nibbling
you can be nibbling
they can be nibbling	I can have nibbled
you can have nibbled
she 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
she can have been nibbling
we can have been nibbling
you can have been nibbling
they can have been nibbling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't nibble
you can't nibble
she 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
she 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
she 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
she 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 con V-ing 	Perfecto 	Perfecto con V-ing 	
can I nibble?
can you nibble?
can she nibble?
can we nibble?
can you nibble?
can they nibble? 	can I be nibbling?
can you be nibbling?
can she be nibbling?
can we be nibbling?
can you be nibbling?
can they be nibbling? 	can I have nibbled?
can you have nibbled?
can she 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 she have been nibbling?
can we have been nibbling?
can you have been nibbling?
can they have been nibbling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I nibble?
can't you nibble?
can't she 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 she 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 she 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 she have been nibbling?
can't we have been nibbling?
can't you have been nibbling?
can't they have been nibbling?