may piggyback
Verbo regular: piggyback - piggybacked- piggybacked

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

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

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

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