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