English verb conjugation
MAY TUNE

Regular verb: tune - tuned - tuned

Affirmation

Simple form	V-ing form
I may tune you may tune he may tune we may tune you may tune they may tune	I may be tuning you may be tuning he may be tuning we may be tuning you may be tuning they may be tuning
Perfect	V-ing perfect
I may have tuned you may have tuned he may have tuned we may have tuned you may have tuned they may have tuned	I may have been tuning you may have been tuning he may have been tuning we may have been tuning you may have been tuning they may have been tuning

Negation

Simple form	V-ing form
I mayn't tune you mayn't tune he mayn't tune we mayn't tune you mayn't tune they mayn't tune	I mayn't be tuning you mayn't be tuning he mayn't be tuning we mayn't be tuning you mayn't be tuning they mayn't be tuning
Perfect	V-ing perfect
I mayn't have tuned you mayn't have tuned he mayn't have tuned we mayn't have tuned you mayn't have tuned they mayn't have tuned	I mayn't have been tuning you mayn't have been tuning he mayn't have been tuning we mayn't have been tuning you mayn't have been tuning they mayn't have been tuning

Interrogative form

Simple form	V-ing form
may I tune? may you tune? may he tune? may we tune? may you tune? may they tune?	may I be tuning? may you be tuning? may he be tuning? may we be tuning? may you be tuning? may they be tuning?
Perfect	V-ing perfect
may I have tuned? may you have tuned? may he have tuned? may we have tuned? may you have tuned? may they have tuned?	may I have been tuning? may you have been tuning? may he have been tuning? may we have been tuning? may you have been tuning? may they have been tuning?

Interro-negative form

Simple form	V-ing form
mayn't I tune? mayn't you tune? mayn't he tune? mayn't we tune? mayn't you tune? mayn't they tune?	mayn't I be tuning? mayn't you be tuning? mayn't he be tuning? mayn't we be tuning? mayn't you be tuning? mayn't they be tuning?
Perfect	V-ing perfect
mayn't I have tuned? mayn't you have tuned? mayn't he have tuned? mayn't we have tuned? mayn't you have tuned? mayn't they have tuned?	mayn't I have been tuning? mayn't you have been tuning? mayn't he have been tuning? mayn't we have been tuning? mayn't you have been tuning? mayn't they have been tuning?