I may quibble you may quibble he may quibble we may quibble you may quibble they may quibble
V-ing form
I may be quibbling you may be quibbling he may be quibbling we may be quibbling you may be quibbling they may be quibbling
Perfect
I may have quibbled you may have quibbled he 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 he 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 he 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 he 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 he 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 he 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 he quibble? may we quibble? may you quibble? may they quibble?
V-ing form
may I be quibbling? may you be quibbling? may he be quibbling? may we be quibbling? may you be quibbling? may they be quibbling?
Perfect
may I have quibbled? may you have quibbled? may he 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 he 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 he 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 he 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 he 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 he have been quibbling? mayn't we have been quibbling? mayn't you have been quibbling? mayn't they have been quibbling?