I may diagnose you may diagnose he may diagnose we may diagnose you may diagnose they may diagnose
V-ing form
I may be diagnosing you may be diagnosing he may be diagnosing we may be diagnosing you may be diagnosing they may be diagnosing
Perfect
I may have diagnosed you may have diagnosed he may have diagnosed we may have diagnosed you may have diagnosed they may have diagnosed
V-ing perfect
I may have been diagnosing you may have been diagnosing he may have been diagnosing we may have been diagnosing you may have been diagnosing they may have been diagnosing
Negation
Simple form
I may not diagnose you may not diagnose he may not diagnose we may not diagnose you may not diagnose they may not diagnose
V-ing form
I may not be diagnosing you may not be diagnosing he may not be diagnosing we may not be diagnosing you may not be diagnosing they may not be diagnosing
Perfect
I may not have diagnosed you may not have diagnosed he may not have diagnosed we may not have diagnosed you may not have diagnosed they may not have diagnosed
V-ing perfect
I may not have been diagnosing you may not have been diagnosing he may not have been diagnosing we may not have been diagnosing you may not have been diagnosing they may not have been diagnosing
Interrogative form
Simple form
may I diagnose? may you diagnose? may he diagnose? may we diagnose? may you diagnose? may they diagnose?
V-ing form
may I be diagnosing? may you be diagnosing? may he be diagnosing? may we be diagnosing? may you be diagnosing? may they be diagnosing?
Perfect
may I have diagnosed? may you have diagnosed? may he have diagnosed? may we have diagnosed? may you have diagnosed? may they have diagnosed?
V-ing perfect
may I have been diagnosing? may you have been diagnosing? may he have been diagnosing? may we have been diagnosing? may you have been diagnosing? may they have been diagnosing?
Interro-negative form
Simple form
may I not diagnose? may you not diagnose? may he not diagnose? may we not diagnose? may you not diagnose? may they not diagnose?
V-ing form
may I not be diagnosing? may you not be diagnosing? may he not be diagnosing? may we not be diagnosing? may you not be diagnosing? may they not be diagnosing?
Perfect
may I not have diagnosed? may you not have diagnosed? may he not have diagnosed? may we not have diagnosed? may you not have diagnosed? may they not have diagnosed?
V-ing perfect
may I not have been diagnosing? may you not have been diagnosing? may he not have been diagnosing? may we not have been diagnosing? may you not have been diagnosing? may they not have been diagnosing?