could piggyback
Verbo regolare: piggyback - piggybacked- piggybacked

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could piggyback
you could piggyback
she could piggyback
we could piggyback
you could piggyback
they could piggyback 	I could be piggybacking
you could be piggybacking
she could be piggybacking
we could be piggybacking
you could be piggybacking
they could be piggybacking	I could have piggybacked
you could have piggybacked
she could have piggybacked
we could have piggybacked
you could have piggybacked
they could have piggybacked	I could have been piggybacking
you could have been piggybacking
she could have been piggybacking
we could have been piggybacking
you could have been piggybacking
they could have been piggybacking	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not piggyback
you could not piggyback
she could not piggyback
we could not piggyback
you could not piggyback
they could not piggyback 	I could not be piggybacking
you could not be piggybacking
she could not be piggybacking
we could not be piggybacking
you could not be piggybacking
they could not be piggybacking	I could not have piggybacked
you could not have piggybacked
she could not have piggybacked
we could not have piggybacked
you could not have piggybacked
they could not have piggybacked	I could not have been piggybacking
you could not have been piggybacking
she could not have been piggybacking
we could not have been piggybacking
you could not have been piggybacking
they could not have been piggybacking	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I piggyback?
could you piggyback?
could she piggyback?
could we piggyback?
could you piggyback?
could they piggyback? 	could I be piggybacking?
could you be piggybacking?
could she be piggybacking?
could we be piggybacking?
could you be piggybacking?
could they be piggybacking? 	could I have piggybacked?
could you have piggybacked?
could she have piggybacked?
could we have piggybacked?
could you have piggybacked?
could they have piggybacked? 	could I have been piggybacking?
could you have been piggybacking?
could she have been piggybacking?
could we have been piggybacking?
could you have been piggybacking?
could they have been piggybacking? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not piggyback?
could you not piggyback?
could she not piggyback?
could we not piggyback?
could you not piggyback?
could they not piggyback? 	could I not be piggybacking?
could you not be piggybacking?
could she not be piggybacking?
could we not be piggybacking?
could you not be piggybacking?
could they not be piggybacking? 	could I not have piggybacked?
could you not have piggybacked?
could she not have piggybacked?
could we not have piggybacked?
could you not have piggybacked?
could they not have piggybacked? 	could I not have been piggybacking?
could you not have been piggybacking?
could she not have been piggybacking?
could we not have been piggybacking?
could you not have been piggybacking?
could they not have been piggybacking?