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