can piggyback
Verbo regular: piggyback - piggybacked- piggybacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can piggyback
you can piggyback
he can piggyback
we can piggyback
you can piggyback
they can piggyback 	I can be piggybacking
you can be piggybacking
he can be piggybacking
we can be piggybacking
you can be piggybacking
they can be piggybacking	I can have piggybacked
you can have piggybacked
he can have piggybacked
we can have piggybacked
you can have piggybacked
they can have piggybacked	I can have been piggybacking
you can have been piggybacking
he can have been piggybacking
we can have been piggybacking
you can have been piggybacking
they can have been piggybacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot piggyback
you cannot piggyback
he cannot piggyback
we cannot piggyback
you cannot piggyback
they cannot piggyback 	I cannot be piggybacking
you cannot be piggybacking
he cannot be piggybacking
we cannot be piggybacking
you cannot be piggybacking
they cannot be piggybacking	I cannot have piggybacked
you cannot have piggybacked
he cannot have piggybacked
we cannot have piggybacked
you cannot have piggybacked
they cannot have piggybacked	I cannot have been piggybacking
you cannot have been piggybacking
he cannot have been piggybacking
we cannot have been piggybacking
you cannot have been piggybacking
they cannot have been piggybacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I piggyback?
can you piggyback?
can he piggyback?
can we piggyback?
can you piggyback?
can they piggyback? 	can I be piggybacking?
can you be piggybacking?
can he be piggybacking?
can we be piggybacking?
can you be piggybacking?
can they be piggybacking? 	can I have piggybacked?
can you have piggybacked?
can he have piggybacked?
can we have piggybacked?
can you have piggybacked?
can they have piggybacked? 	can I have been piggybacking?
can you have been piggybacking?
can he have been piggybacking?
can we have been piggybacking?
can you have been piggybacking?
can they have been piggybacking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not piggyback?
can you not piggyback?
can he not piggyback?
can we not piggyback?
can you not piggyback?
can they not piggyback? 	can I not be piggybacking?
can you not be piggybacking?
can he not be piggybacking?
can we not be piggybacking?
can you not be piggybacking?
can they not be piggybacking? 	can I not have piggybacked?
can you not have piggybacked?
can he not have piggybacked?
can we not have piggybacked?
can you not have piggybacked?
can they not have piggybacked? 	can I not have been piggybacking?
can you not have been piggybacking?
can he not have been piggybacking?
can we not have been piggybacking?
can you not have been piggybacking?
can they not have been piggybacking?