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