English verb conjugation
MAY NOD

Regular verb: nod - nodded - nodded

Affirmation

Simple form	V-ing form
I may nod you may nod she may nod we may nod you may nod they may nod	I may be nodding you may be nodding she 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 she 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 she 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 mayn't nod you mayn't nod she mayn't nod we mayn't nod you mayn't nod they mayn't nod	I mayn't be nodding you mayn't be nodding she mayn't be nodding we mayn't be nodding you mayn't be nodding they mayn't be nodding
Perfect	V-ing perfect
I mayn't have nodded you mayn't have nodded she mayn't have nodded we mayn't have nodded you mayn't have nodded they mayn't have nodded	I mayn't have been nodding you mayn't have been nodding she mayn't have been nodding we mayn't have been nodding you mayn't have been nodding they mayn't have been nodding

Interrogative form

Simple form	V-ing form
may I nod? may you nod? may she nod? may we nod? may you nod? may they nod?	may I be nodding? may you be nodding? may she 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 she 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 she 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
mayn't I nod? mayn't you nod? mayn't she nod? mayn't we nod? mayn't you nod? mayn't they nod?	mayn't I be nodding? mayn't you be nodding? mayn't she be nodding? mayn't we be nodding? mayn't you be nodding? mayn't they be nodding?
Perfect	V-ing perfect
mayn't I have nodded? mayn't you have nodded? mayn't she have nodded? mayn't we have nodded? mayn't you have nodded? mayn't they have nodded?	mayn't I have been nodding? mayn't you have been nodding? mayn't she have been nodding? mayn't we have been nodding? mayn't you have been nodding? mayn't they have been nodding?