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