I may cloud you may cloud she may cloud we may cloud you may cloud they may cloud
V-ing form
I may be clouding you may be clouding she may be clouding we may be clouding you may be clouding they may be clouding
Perfect
I may have clouded you may have clouded she may have clouded we may have clouded you may have clouded they may have clouded
V-ing perfect
I may have been clouding you may have been clouding she may have been clouding we may have been clouding you may have been clouding they may have been clouding
Negation
Simple form
I mayn't cloud you mayn't cloud she mayn't cloud we mayn't cloud you mayn't cloud they mayn't cloud
V-ing form
I mayn't be clouding you mayn't be clouding she mayn't be clouding we mayn't be clouding you mayn't be clouding they mayn't be clouding
Perfect
I mayn't have clouded you mayn't have clouded she mayn't have clouded we mayn't have clouded you mayn't have clouded they mayn't have clouded
V-ing perfect
I mayn't have been clouding you mayn't have been clouding she mayn't have been clouding we mayn't have been clouding you mayn't have been clouding they mayn't have been clouding
Interrogative form
Simple form
may I cloud? may you cloud? may she cloud? may we cloud? may you cloud? may they cloud?
V-ing form
may I be clouding? may you be clouding? may she be clouding? may we be clouding? may you be clouding? may they be clouding?
Perfect
may I have clouded? may you have clouded? may she have clouded? may we have clouded? may you have clouded? may they have clouded?
V-ing perfect
may I have been clouding? may you have been clouding? may she have been clouding? may we have been clouding? may you have been clouding? may they have been clouding?
Interro-negative form
Simple form
mayn't I cloud? mayn't you cloud? mayn't she cloud? mayn't we cloud? mayn't you cloud? mayn't they cloud?
V-ing form
mayn't I be clouding? mayn't you be clouding? mayn't she be clouding? mayn't we be clouding? mayn't you be clouding? mayn't they be clouding?
Perfect
mayn't I have clouded? mayn't you have clouded? mayn't she have clouded? mayn't we have clouded? mayn't you have clouded? mayn't they have clouded?
V-ing perfect
mayn't I have been clouding? mayn't you have been clouding? mayn't she have been clouding? mayn't we have been clouding? mayn't you have been clouding? mayn't they have been clouding?