English verb conjugation
MAY NOD

Regular verb: nod - nodded - nodded

Affirmation

Simple form	V-ing form
I may nod you may nod he may nod we may nod you may nod they may nod	I may be nodding you may be nodding he may be nodding we may be nodding you may be nodding they may be nodding
Perfect	V-ing perfect
I may have nodded you may have nodded he may have nodded we may have nodded you may have nodded they may have nodded	I may have been nodding you may have been nodding he may have been nodding we may have been nodding you may have been nodding they may have been nodding

Negation

Simple form	V-ing form
I may not nod you may not nod he may not nod we may not nod you may not nod they may not nod	I may not be nodding you may not be nodding he may not be nodding we may not be nodding you may not be nodding they may not be nodding
Perfect	V-ing perfect
I may not have nodded you may not have nodded he may not have nodded we may not have nodded you may not have nodded they may not have nodded	I may not have been nodding you may not have been nodding he may not have been nodding we may not have been nodding you may not have been nodding they may not have been nodding

Interrogative form

Simple form	V-ing form
may I nod? may you nod? may he nod? may we nod? may you nod? may they nod?	may I be nodding? may you be nodding? may he be nodding? may we be nodding? may you be nodding? may they be nodding?
Perfect	V-ing perfect
may I have nodded? may you have nodded? may he have nodded? may we have nodded? may you have nodded? may they have nodded?	may I have been nodding? may you have been nodding? may he have been nodding? may we have been nodding? may you have been nodding? may they have been nodding?

Interro-negative form

Simple form	V-ing form
may I not nod? may you not nod? may he not nod? may we not nod? may you not nod? may they not nod?	may I not be nodding? may you not be nodding? may he not be nodding? may we not be nodding? may you not be nodding? may they not be nodding?
Perfect	V-ing perfect
may I not have nodded? may you not have nodded? may he not have nodded? may we not have nodded? may you not have nodded? may they not have nodded?	may I not have been nodding? may you not have been nodding? may he not have been nodding? may we not have been nodding? may you not have been nodding? may they not have been nodding?