English verb conjugation
MAY WHISTLE

Regular verb: whistle - whistled - whistled

Affirmation

Simple form	V-ing form
I may whistle you may whistle he may whistle we may whistle you may whistle they may whistle	I may be whistling you may be whistling he may be whistling we may be whistling you may be whistling they may be whistling
Perfect	V-ing perfect
I may have whistled you may have whistled he may have whistled we may have whistled you may have whistled they may have whistled	I may have been whistling you may have been whistling he may have been whistling we may have been whistling you may have been whistling they may have been whistling

Negation

Simple form	V-ing form
I mayn't whistle you mayn't whistle he mayn't whistle we mayn't whistle you mayn't whistle they mayn't whistle	I mayn't be whistling you mayn't be whistling he mayn't be whistling we mayn't be whistling you mayn't be whistling they mayn't be whistling
Perfect	V-ing perfect
I mayn't have whistled you mayn't have whistled he mayn't have whistled we mayn't have whistled you mayn't have whistled they mayn't have whistled	I mayn't have been whistling you mayn't have been whistling he mayn't have been whistling we mayn't have been whistling you mayn't have been whistling they mayn't have been whistling

Interrogative form

Simple form	V-ing form
may I whistle? may you whistle? may he whistle? may we whistle? may you whistle? may they whistle?	may I be whistling? may you be whistling? may he be whistling? may we be whistling? may you be whistling? may they be whistling?
Perfect	V-ing perfect
may I have whistled? may you have whistled? may he have whistled? may we have whistled? may you have whistled? may they have whistled?	may I have been whistling? may you have been whistling? may he have been whistling? may we have been whistling? may you have been whistling? may they have been whistling?

Interro-negative form

Simple form	V-ing form
mayn't I whistle? mayn't you whistle? mayn't he whistle? mayn't we whistle? mayn't you whistle? mayn't they whistle?	mayn't I be whistling? mayn't you be whistling? mayn't he be whistling? mayn't we be whistling? mayn't you be whistling? mayn't they be whistling?
Perfect	V-ing perfect
mayn't I have whistled? mayn't you have whistled? mayn't he have whistled? mayn't we have whistled? mayn't you have whistled? mayn't they have whistled?	mayn't I have been whistling? mayn't you have been whistling? mayn't he have been whistling? mayn't we have been whistling? mayn't you have been whistling? mayn't they have been whistling?