I may serge you may serge he may serge we may serge you may serge they may serge
V-ing form
I may be serging you may be serging he may be serging we may be serging you may be serging they may be serging
Perfect
I may have serged you may have serged he may have serged we may have serged you may have serged they may have serged
V-ing perfect
I may have been serging you may have been serging he may have been serging we may have been serging you may have been serging they may have been serging
Negation
Simple form
I may not serge you may not serge he may not serge we may not serge you may not serge they may not serge
V-ing form
I may not be serging you may not be serging he may not be serging we may not be serging you may not be serging they may not be serging
Perfect
I may not have serged you may not have serged he may not have serged we may not have serged you may not have serged they may not have serged
V-ing perfect
I may not have been serging you may not have been serging he may not have been serging we may not have been serging you may not have been serging they may not have been serging
Interrogative form
Simple form
may I serge? may you serge? may he serge? may we serge? may you serge? may they serge?
V-ing form
may I be serging? may you be serging? may he be serging? may we be serging? may you be serging? may they be serging?
Perfect
may I have serged? may you have serged? may he have serged? may we have serged? may you have serged? may they have serged?
V-ing perfect
may I have been serging? may you have been serging? may he have been serging? may we have been serging? may you have been serging? may they have been serging?
Interro-negative form
Simple form
may I not serge? may you not serge? may he not serge? may we not serge? may you not serge? may they not serge?
V-ing form
may I not be serging? may you not be serging? may he not be serging? may we not be serging? may you not be serging? may they not be serging?
Perfect
may I not have serged? may you not have serged? may he not have serged? may we not have serged? may you not have serged? may they not have serged?
V-ing perfect
may I not have been serging? may you not have been serging? may he not have been serging? may we not have been serging? may you not have been serging? may they not have been serging?