English verb conjugation
MAY FAST

Regular verb: fast - fasted - fasted

Affirmation

Simple form	V-ing form
I may fast you may fast he may fast we may fast you may fast they may fast	I may be fasting you may be fasting he may be fasting we may be fasting you may be fasting they may be fasting
Perfect	V-ing perfect
I may have fasted you may have fasted he may have fasted we may have fasted you may have fasted they may have fasted	I may have been fasting you may have been fasting he may have been fasting we may have been fasting you may have been fasting they may have been fasting

Negation

Simple form	V-ing form
I mayn't fast you mayn't fast he mayn't fast we mayn't fast you mayn't fast they mayn't fast	I mayn't be fasting you mayn't be fasting he mayn't be fasting we mayn't be fasting you mayn't be fasting they mayn't be fasting
Perfect	V-ing perfect
I mayn't have fasted you mayn't have fasted he mayn't have fasted we mayn't have fasted you mayn't have fasted they mayn't have fasted	I mayn't have been fasting you mayn't have been fasting he mayn't have been fasting we mayn't have been fasting you mayn't have been fasting they mayn't have been fasting

Interrogative form

Simple form	V-ing form
may I fast? may you fast? may he fast? may we fast? may you fast? may they fast?	may I be fasting? may you be fasting? may he be fasting? may we be fasting? may you be fasting? may they be fasting?
Perfect	V-ing perfect
may I have fasted? may you have fasted? may he have fasted? may we have fasted? may you have fasted? may they have fasted?	may I have been fasting? may you have been fasting? may he have been fasting? may we have been fasting? may you have been fasting? may they have been fasting?

Interro-negative form

Simple form	V-ing form
mayn't I fast? mayn't you fast? mayn't he fast? mayn't we fast? mayn't you fast? mayn't they fast?	mayn't I be fasting? mayn't you be fasting? mayn't he be fasting? mayn't we be fasting? mayn't you be fasting? mayn't they be fasting?
Perfect	V-ing perfect
mayn't I have fasted? mayn't you have fasted? mayn't he have fasted? mayn't we have fasted? mayn't you have fasted? mayn't they have fasted?	mayn't I have been fasting? mayn't you have been fasting? mayn't he have been fasting? mayn't we have been fasting? mayn't you have been fasting? mayn't they have been fasting?