I may burrow you may burrow he may burrow we may burrow you may burrow they may burrow
V-ing form
I may be burrowing you may be burrowing he may be burrowing we may be burrowing you may be burrowing they may be burrowing
Perfect
I may have burrowed you may have burrowed he may have burrowed we may have burrowed you may have burrowed they may have burrowed
V-ing perfect
I may have been burrowing you may have been burrowing he may have been burrowing we may have been burrowing you may have been burrowing they may have been burrowing
Negation
Simple form
I may not burrow you may not burrow he may not burrow we may not burrow you may not burrow they may not burrow
V-ing form
I may not be burrowing you may not be burrowing he may not be burrowing we may not be burrowing you may not be burrowing they may not be burrowing
Perfect
I may not have burrowed you may not have burrowed he may not have burrowed we may not have burrowed you may not have burrowed they may not have burrowed
V-ing perfect
I may not have been burrowing you may not have been burrowing he may not have been burrowing we may not have been burrowing you may not have been burrowing they may not have been burrowing
Interrogative form
Simple form
may I burrow? may you burrow? may he burrow? may we burrow? may you burrow? may they burrow?
V-ing form
may I be burrowing? may you be burrowing? may he be burrowing? may we be burrowing? may you be burrowing? may they be burrowing?
Perfect
may I have burrowed? may you have burrowed? may he have burrowed? may we have burrowed? may you have burrowed? may they have burrowed?
V-ing perfect
may I have been burrowing? may you have been burrowing? may he have been burrowing? may we have been burrowing? may you have been burrowing? may they have been burrowing?
Interro-negative form
Simple form
may I not burrow? may you not burrow? may he not burrow? may we not burrow? may you not burrow? may they not burrow?
V-ing form
may I not be burrowing? may you not be burrowing? may he not be burrowing? may we not be burrowing? may you not be burrowing? may they not be burrowing?
Perfect
may I not have burrowed? may you not have burrowed? may he not have burrowed? may we not have burrowed? may you not have burrowed? may they not have burrowed?
V-ing perfect
may I not have been burrowing? may you not have been burrowing? may he not have been burrowing? may we not have been burrowing? may you not have been burrowing? may they not have been burrowing?