I may sparkle you may sparkle he may sparkle we may sparkle you may sparkle they may sparkle
V-ing form
I may be sparkling you may be sparkling he may be sparkling we may be sparkling you may be sparkling they may be sparkling
Perfect
I may have sparkled you may have sparkled he may have sparkled we may have sparkled you may have sparkled they may have sparkled
V-ing perfect
I may have been sparkling you may have been sparkling he may have been sparkling we may have been sparkling you may have been sparkling they may have been sparkling
Negation
Simple form
I mayn't sparkle you mayn't sparkle he mayn't sparkle we mayn't sparkle you mayn't sparkle they mayn't sparkle
V-ing form
I mayn't be sparkling you mayn't be sparkling he mayn't be sparkling we mayn't be sparkling you mayn't be sparkling they mayn't be sparkling
Perfect
I mayn't have sparkled you mayn't have sparkled he mayn't have sparkled we mayn't have sparkled you mayn't have sparkled they mayn't have sparkled
V-ing perfect
I mayn't have been sparkling you mayn't have been sparkling he mayn't have been sparkling we mayn't have been sparkling you mayn't have been sparkling they mayn't have been sparkling
Interrogative form
Simple form
may I sparkle? may you sparkle? may he sparkle? may we sparkle? may you sparkle? may they sparkle?
V-ing form
may I be sparkling? may you be sparkling? may he be sparkling? may we be sparkling? may you be sparkling? may they be sparkling?
Perfect
may I have sparkled? may you have sparkled? may he have sparkled? may we have sparkled? may you have sparkled? may they have sparkled?
V-ing perfect
may I have been sparkling? may you have been sparkling? may he have been sparkling? may we have been sparkling? may you have been sparkling? may they have been sparkling?
Interro-negative form
Simple form
mayn't I sparkle? mayn't you sparkle? mayn't he sparkle? mayn't we sparkle? mayn't you sparkle? mayn't they sparkle?
V-ing form
mayn't I be sparkling? mayn't you be sparkling? mayn't he be sparkling? mayn't we be sparkling? mayn't you be sparkling? mayn't they be sparkling?
Perfect
mayn't I have sparkled? mayn't you have sparkled? mayn't he have sparkled? mayn't we have sparkled? mayn't you have sparkled? mayn't they have sparkled?
V-ing perfect
mayn't I have been sparkling? mayn't you have been sparkling? mayn't he have been sparkling? mayn't we have been sparkling? mayn't you have been sparkling? mayn't they have been sparkling?