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