I may cement you may cement he may cement we may cement you may cement they may cement
Forme en V-ing
I may be cementing you may be cementing he may be cementing we may be cementing you may be cementing they may be cementing
Perfect
I may have cemented you may have cemented he may have cemented we may have cemented you may have cemented they may have cemented
Perfect en V-ing
I may have been cementing you may have been cementing he may have been cementing we may have been cementing you may have been cementing they may have been cementing
Négation
Forme simple
I may not cement you may not cement he may not cement we may not cement you may not cement they may not cement
Forme en V-ing
I may not be cementing you may not be cementing he may not be cementing we may not be cementing you may not be cementing they may not be cementing
Perfect
I may not have cemented you may not have cemented he may not have cemented we may not have cemented you may not have cemented they may not have cemented
Perfect en V-ing
I may not have been cementing you may not have been cementing he may not have been cementing we may not have been cementing you may not have been cementing they may not have been cementing
Forme interrogative
Forme simple
may I cement? may you cement? may he cement? may we cement? may you cement? may they cement?
Forme en V-ing
may I be cementing? may you be cementing? may he be cementing? may we be cementing? may you be cementing? may they be cementing?
Perfect
may I have cemented? may you have cemented? may he have cemented? may we have cemented? may you have cemented? may they have cemented?
Perfect en V-ing
may I have been cementing? may you have been cementing? may he have been cementing? may we have been cementing? may you have been cementing? may they have been cementing?
Forme interro-négative
Forme simple
may I not cement? may you not cement? may he not cement? may we not cement? may you not cement? may they not cement?
Forme en V-ing
may I not be cementing? may you not be cementing? may he not be cementing? may we not be cementing? may you not be cementing? may they not be cementing?
Perfect
may I not have cemented? may you not have cemented? may he not have cemented? may we not have cemented? may you not have cemented? may they not have cemented?
Perfect en V-ing
may I not have been cementing? may you not have been cementing? may he not have been cementing? may we not have been cementing? may you not have been cementing? may they not have been cementing?