Conjugaison du verbe anglais
MUST PIGGYBACK

Verbe régulier : piggyback - piggybacked - piggybacked

Affirmation

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

Négation

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

Forme interrogative

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

Forme interro-négative

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