English verb conjugation
MAY STUB

Regular verb: stub - stubbed - stubbed

Affirmation

Simple form	V-ing form
I may stub you may stub he may stub we may stub you may stub they may stub	I may be stubbing you may be stubbing he may be stubbing we may be stubbing you may be stubbing they may be stubbing
Perfect	V-ing perfect
I may have stubbed you may have stubbed he may have stubbed we may have stubbed you may have stubbed they may have stubbed	I may have been stubbing you may have been stubbing he may have been stubbing we may have been stubbing you may have been stubbing they may have been stubbing

Negation

Simple form	V-ing form
I may not stub you may not stub he may not stub we may not stub you may not stub they may not stub	I may not be stubbing you may not be stubbing he may not be stubbing we may not be stubbing you may not be stubbing they may not be stubbing
Perfect	V-ing perfect
I may not have stubbed you may not have stubbed he may not have stubbed we may not have stubbed you may not have stubbed they may not have stubbed	I may not have been stubbing you may not have been stubbing he may not have been stubbing we may not have been stubbing you may not have been stubbing they may not have been stubbing

Interrogative form

Simple form	V-ing form
may I stub? may you stub? may he stub? may we stub? may you stub? may they stub?	may I be stubbing? may you be stubbing? may he be stubbing? may we be stubbing? may you be stubbing? may they be stubbing?
Perfect	V-ing perfect
may I have stubbed? may you have stubbed? may he have stubbed? may we have stubbed? may you have stubbed? may they have stubbed?	may I have been stubbing? may you have been stubbing? may he have been stubbing? may we have been stubbing? may you have been stubbing? may they have been stubbing?

Interro-negative form

Simple form	V-ing form
may I not stub? may you not stub? may he not stub? may we not stub? may you not stub? may they not stub?	may I not be stubbing? may you not be stubbing? may he not be stubbing? may we not be stubbing? may you not be stubbing? may they not be stubbing?
Perfect	V-ing perfect
may I not have stubbed? may you not have stubbed? may he not have stubbed? may we not have stubbed? may you not have stubbed? may they not have stubbed?	may I not have been stubbing? may you not have been stubbing? may he not have been stubbing? may we not have been stubbing? may you not have been stubbing? may they not have been stubbing?