I may rivet you may rivet he may rivet we may rivet you may rivet they may rivet
V-ing form
I may be riveting you may be riveting he may be riveting we may be riveting you may be riveting they may be riveting
Perfect
I may have riveted you may have riveted he may have riveted we may have riveted you may have riveted they may have riveted
V-ing perfect
I may have been riveting you may have been riveting he may have been riveting we may have been riveting you may have been riveting they may have been riveting
Negation
Simple form
I may not rivet you may not rivet he may not rivet we may not rivet you may not rivet they may not rivet
V-ing form
I may not be riveting you may not be riveting he may not be riveting we may not be riveting you may not be riveting they may not be riveting
Perfect
I may not have riveted you may not have riveted he may not have riveted we may not have riveted you may not have riveted they may not have riveted
V-ing perfect
I may not have been riveting you may not have been riveting he may not have been riveting we may not have been riveting you may not have been riveting they may not have been riveting
Interrogative form
Simple form
may I rivet? may you rivet? may he rivet? may we rivet? may you rivet? may they rivet?
V-ing form
may I be riveting? may you be riveting? may he be riveting? may we be riveting? may you be riveting? may they be riveting?
Perfect
may I have riveted? may you have riveted? may he have riveted? may we have riveted? may you have riveted? may they have riveted?
V-ing perfect
may I have been riveting? may you have been riveting? may he have been riveting? may we have been riveting? may you have been riveting? may they have been riveting?
Interro-negative form
Simple form
may I not rivet? may you not rivet? may he not rivet? may we not rivet? may you not rivet? may they not rivet?
V-ing form
may I not be riveting? may you not be riveting? may he not be riveting? may we not be riveting? may you not be riveting? may they not be riveting?
Perfect
may I not have riveted? may you not have riveted? may he not have riveted? may we not have riveted? may you not have riveted? may they not have riveted?
V-ing perfect
may I not have been riveting? may you not have been riveting? may he not have been riveting? may we not have been riveting? may you not have been riveting? may they not have been riveting?