I may fine-tune you may fine-tune she may fine-tune we may fine-tune you may fine-tune they may fine-tune
V-ing form
I may be fine-tuning you may be fine-tuning she may be fine-tuning we may be fine-tuning you may be fine-tuning they may be fine-tuning
Perfect
I may have fine-tuned you may have fine-tuned she may have fine-tuned we may have fine-tuned you may have fine-tuned they may have fine-tuned
V-ing perfect
I may have been fine-tuning you may have been fine-tuning she may have been fine-tuning we may have been fine-tuning you may have been fine-tuning they may have been fine-tuning
Negation
Simple form
I mayn't fine-tune you mayn't fine-tune she mayn't fine-tune we mayn't fine-tune you mayn't fine-tune they mayn't fine-tune
V-ing form
I mayn't be fine-tuning you mayn't be fine-tuning she mayn't be fine-tuning we mayn't be fine-tuning you mayn't be fine-tuning they mayn't be fine-tuning
Perfect
I mayn't have fine-tuned you mayn't have fine-tuned she mayn't have fine-tuned we mayn't have fine-tuned you mayn't have fine-tuned they mayn't have fine-tuned
V-ing perfect
I mayn't have been fine-tuning you mayn't have been fine-tuning she mayn't have been fine-tuning we mayn't have been fine-tuning you mayn't have been fine-tuning they mayn't have been fine-tuning
Interrogative form
Simple form
may I fine-tune? may you fine-tune? may she fine-tune? may we fine-tune? may you fine-tune? may they fine-tune?
V-ing form
may I be fine-tuning? may you be fine-tuning? may she be fine-tuning? may we be fine-tuning? may you be fine-tuning? may they be fine-tuning?
Perfect
may I have fine-tuned? may you have fine-tuned? may she have fine-tuned? may we have fine-tuned? may you have fine-tuned? may they have fine-tuned?
V-ing perfect
may I have been fine-tuning? may you have been fine-tuning? may she have been fine-tuning? may we have been fine-tuning? may you have been fine-tuning? may they have been fine-tuning?
Interro-negative form
Simple form
mayn't I fine-tune? mayn't you fine-tune? mayn't she fine-tune? mayn't we fine-tune? mayn't you fine-tune? mayn't they fine-tune?
V-ing form
mayn't I be fine-tuning? mayn't you be fine-tuning? mayn't she be fine-tuning? mayn't we be fine-tuning? mayn't you be fine-tuning? mayn't they be fine-tuning?
Perfect
mayn't I have fine-tuned? mayn't you have fine-tuned? mayn't she have fine-tuned? mayn't we have fine-tuned? mayn't you have fine-tuned? mayn't they have fine-tuned?
V-ing perfect
mayn't I have been fine-tuning? mayn't you have been fine-tuning? mayn't she have been fine-tuning? mayn't we have been fine-tuning? mayn't you have been fine-tuning? mayn't they have been fine-tuning?