may countersign
Verbe régulier : countersign - countersigned- countersigned
Traduction française : contresigner 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may countersign
you may countersign
he may countersign
we may countersign
you may countersign
they may countersign 	I may be countersigning
you may be countersigning
he may be countersigning
we may be countersigning
you may be countersigning
they may be countersigning	I may have countersigned
you may have countersigned
he may have countersigned
we may have countersigned
you may have countersigned
they may have countersigned	I may have been countersigning
you may have been countersigning
he may have been countersigning
we may have been countersigning
you may have been countersigning
they may have been countersigning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not countersign
you may not countersign
he may not countersign
we may not countersign
you may not countersign
they may not countersign 	I may not be countersigning
you may not be countersigning
he may not be countersigning
we may not be countersigning
you may not be countersigning
they may not be countersigning	I may not have countersigned
you may not have countersigned
he may not have countersigned
we may not have countersigned
you may not have countersigned
they may not have countersigned	I may not have been countersigning
you may not have been countersigning
he may not have been countersigning
we may not have been countersigning
you may not have been countersigning
they may not have been countersigning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I countersign?
may you countersign?
may he countersign?
may we countersign?
may you countersign?
may they countersign? 	may I be countersigning?
may you be countersigning?
may he be countersigning?
may we be countersigning?
may you be countersigning?
may they be countersigning? 	may I have countersigned?
may you have countersigned?
may he have countersigned?
may we have countersigned?
may you have countersigned?
may they have countersigned? 	may I have been countersigning?
may you have been countersigning?
may he have been countersigning?
may we have been countersigning?
may you have been countersigning?
may they have been countersigning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not countersign?
may you not countersign?
may he not countersign?
may we not countersign?
may you not countersign?
may they not countersign? 	may I not be countersigning?
may you not be countersigning?
may he not be countersigning?
may we not be countersigning?
may you not be countersigning?
may they not be countersigning? 	may I not have countersigned?
may you not have countersigned?
may he not have countersigned?
may we not have countersigned?
may you not have countersigned?
may they not have countersigned? 	may I not have been countersigning?
may you not have been countersigning?
may he not have been countersigning?
may we not have been countersigning?
may you not have been countersigning?
may they not have been countersigning?