may jackknife
Verbe régulier : jackknife - jackknifed- jackknifed
Traduction française : se mettre en portefeuille 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may jackknife
you may jackknife
he may jackknife
we may jackknife
you may jackknife
they may jackknife 	I may be jackknifing
you may be jackknifing
he may be jackknifing
we may be jackknifing
you may be jackknifing
they may be jackknifing	I may have jackknifed
you may have jackknifed
he may have jackknifed
we may have jackknifed
you may have jackknifed
they may have jackknifed	I may have been jackknifing
you may have been jackknifing
he may have been jackknifing
we may have been jackknifing
you may have been jackknifing
they may have been jackknifing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not jackknife
you may not jackknife
he may not jackknife
we may not jackknife
you may not jackknife
they may not jackknife 	I may not be jackknifing
you may not be jackknifing
he may not be jackknifing
we may not be jackknifing
you may not be jackknifing
they may not be jackknifing	I may not have jackknifed
you may not have jackknifed
he may not have jackknifed
we may not have jackknifed
you may not have jackknifed
they may not have jackknifed	I may not have been jackknifing
you may not have been jackknifing
he may not have been jackknifing
we may not have been jackknifing
you may not have been jackknifing
they may not have been jackknifing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I jackknife?
may you jackknife?
may he jackknife?
may we jackknife?
may you jackknife?
may they jackknife? 	may I be jackknifing?
may you be jackknifing?
may he be jackknifing?
may we be jackknifing?
may you be jackknifing?
may they be jackknifing? 	may I have jackknifed?
may you have jackknifed?
may he have jackknifed?
may we have jackknifed?
may you have jackknifed?
may they have jackknifed? 	may I have been jackknifing?
may you have been jackknifing?
may he have been jackknifing?
may we have been jackknifing?
may you have been jackknifing?
may they have been jackknifing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not jackknife?
may you not jackknife?
may he not jackknife?
may we not jackknife?
may you not jackknife?
may they not jackknife? 	may I not be jackknifing?
may you not be jackknifing?
may he not be jackknifing?
may we not be jackknifing?
may you not be jackknifing?
may they not be jackknifing? 	may I not have jackknifed?
may you not have jackknifed?
may he not have jackknifed?
may we not have jackknifed?
may you not have jackknifed?
may they not have jackknifed? 	may I not have been jackknifing?
may you not have been jackknifing?
may he not have been jackknifing?
may we not have been jackknifing?
may you not have been jackknifing?
may they not have been jackknifing?