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