should piggyback
Verbe régulier : piggyback - piggybacked- piggybacked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd piggyback
you'd piggyback
he'd piggyback
we'd piggyback
you'd piggyback
they'd piggyback 	I'd be piggybacking
you'd be piggybacking
he'd be piggybacking
we'd be piggybacking
you'd be piggybacking
they'd be piggybacking	I should've piggybacked
you should've piggybacked
he should've piggybacked
we should've piggybacked
you should've piggybacked
they should've piggybacked	I should've been piggybacking
you should've been piggybacking
he should've been piggybacking
we should've been piggybacking
you should've been piggybacking
they should've been piggybacking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shouldn't piggyback
you shouldn't piggyback
he shouldn't piggyback
we shouldn't piggyback
you shouldn't piggyback
they shouldn't piggyback 	I shouldn't be piggybacking
you shouldn't be piggybacking
he shouldn't be piggybacking
we shouldn't be piggybacking
you shouldn't be piggybacking
they shouldn't be piggybacking	I shouldn't have piggybacked
you shouldn't have piggybacked
he shouldn't have piggybacked
we shouldn't have piggybacked
you shouldn't have piggybacked
they shouldn't have piggybacked	I shouldn't have been piggybacking
you shouldn't have been piggybacking
he shouldn't have been piggybacking
we shouldn't have been piggybacking
you shouldn't have been piggybacking
they shouldn't have been piggybacking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I piggyback?
should you piggyback?
should he piggyback?
should we piggyback?
should you piggyback?
should they piggyback? 	should I be piggybacking?
should you be piggybacking?
should he be piggybacking?
should we be piggybacking?
should you be piggybacking?
should they be piggybacking? 	should I have piggybacked?
should you have piggybacked?
should he have piggybacked?
should we have piggybacked?
should you have piggybacked?
should they have piggybacked? 	should I have been piggybacking?
should you have been piggybacking?
should he have been piggybacking?
should we have been piggybacking?
should you have been piggybacking?
should they have been piggybacking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shouldn't I piggyback?
shouldn't you piggyback?
shouldn't he piggyback?
shouldn't we piggyback?
shouldn't you piggyback?
shouldn't they piggyback? 	shouldn't I be piggybacking?
shouldn't you be piggybacking?
shouldn't he be piggybacking?
shouldn't we be piggybacking?
shouldn't you be piggybacking?
shouldn't they be piggybacking? 	shouldn't I have piggybacked?
shouldn't you have piggybacked?
shouldn't he have piggybacked?
shouldn't we have piggybacked?
shouldn't you have piggybacked?
shouldn't they have piggybacked? 	shouldn't I have been piggybacking?
shouldn't you have been piggybacking?
shouldn't he have been piggybacking?
shouldn't we have been piggybacking?
shouldn't you have been piggybacking?
shouldn't they have been piggybacking?