English verb conjugation
MAY DRUB

Regular verb: drub - drubbed - drubbed

Affirmation

Simple form	V-ing form
I may drub you may drub he may drub we may drub you may drub they may drub	I may be drubbing you may be drubbing he may be drubbing we may be drubbing you may be drubbing they may be drubbing
Perfect	V-ing perfect
I may have drubbed you may have drubbed he may have drubbed we may have drubbed you may have drubbed they may have drubbed	I may have been drubbing you may have been drubbing he may have been drubbing we may have been drubbing you may have been drubbing they may have been drubbing

Negation

Simple form	V-ing form
I may not drub you may not drub he may not drub we may not drub you may not drub they may not drub	I may not be drubbing you may not be drubbing he may not be drubbing we may not be drubbing you may not be drubbing they may not be drubbing
Perfect	V-ing perfect
I may not have drubbed you may not have drubbed he may not have drubbed we may not have drubbed you may not have drubbed they may not have drubbed	I may not have been drubbing you may not have been drubbing he may not have been drubbing we may not have been drubbing you may not have been drubbing they may not have been drubbing

Interrogative form

Simple form	V-ing form
may I drub? may you drub? may he drub? may we drub? may you drub? may they drub?	may I be drubbing? may you be drubbing? may he be drubbing? may we be drubbing? may you be drubbing? may they be drubbing?
Perfect	V-ing perfect
may I have drubbed? may you have drubbed? may he have drubbed? may we have drubbed? may you have drubbed? may they have drubbed?	may I have been drubbing? may you have been drubbing? may he have been drubbing? may we have been drubbing? may you have been drubbing? may they have been drubbing?

Interro-negative form

Simple form	V-ing form
may I not drub? may you not drub? may he not drub? may we not drub? may you not drub? may they not drub?	may I not be drubbing? may you not be drubbing? may he not be drubbing? may we not be drubbing? may you not be drubbing? may they not be drubbing?
Perfect	V-ing perfect
may I not have drubbed? may you not have drubbed? may he not have drubbed? may we not have drubbed? may you not have drubbed? may they not have drubbed?	may I not have been drubbing? may you not have been drubbing? may he not have been drubbing? may we not have been drubbing? may you not have been drubbing? may they not have been drubbing?