can grabble
Verbo regular: grabble - grabbled- grabbled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can grabble
you can grabble
she can grabble
we can grabble
you can grabble
they can grabble 	I can be grabbling
you can be grabbling
she can be grabbling
we can be grabbling
you can be grabbling
they can be grabbling	I can have grabbled
you can have grabbled
she can have grabbled
we can have grabbled
you can have grabbled
they can have grabbled	I can have been grabbling
you can have been grabbling
she can have been grabbling
we can have been grabbling
you can have been grabbling
they can have been grabbling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot grabble
you cannot grabble
she cannot grabble
we cannot grabble
you cannot grabble
they cannot grabble 	I cannot be grabbling
you cannot be grabbling
she cannot be grabbling
we cannot be grabbling
you cannot be grabbling
they cannot be grabbling	I cannot have grabbled
you cannot have grabbled
she cannot have grabbled
we cannot have grabbled
you cannot have grabbled
they cannot have grabbled	I cannot have been grabbling
you cannot have been grabbling
she cannot have been grabbling
we cannot have been grabbling
you cannot have been grabbling
they cannot have been grabbling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I grabble?
can you grabble?
can she grabble?
can we grabble?
can you grabble?
can they grabble? 	can I be grabbling?
can you be grabbling?
can she be grabbling?
can we be grabbling?
can you be grabbling?
can they be grabbling? 	can I have grabbled?
can you have grabbled?
can she have grabbled?
can we have grabbled?
can you have grabbled?
can they have grabbled? 	can I have been grabbling?
can you have been grabbling?
can she have been grabbling?
can we have been grabbling?
can you have been grabbling?
can they have been grabbling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not grabble?
can you not grabble?
can she not grabble?
can we not grabble?
can you not grabble?
can they not grabble? 	can I not be grabbling?
can you not be grabbling?
can she not be grabbling?
can we not be grabbling?
can you not be grabbling?
can they not be grabbling? 	can I not have grabbled?
can you not have grabbled?
can she not have grabbled?
can we not have grabbled?
can you not have grabbled?
can they not have grabbled? 	can I not have been grabbling?
can you not have been grabbling?
can she not have been grabbling?
can we not have been grabbling?
can you not have been grabbling?
can they not have been grabbling?