I must override you must override he must override we must override you must override they must override
V-ing form
I must be overriding you must be overriding he must be overriding we must be overriding you must be overriding they must be overriding
Perfect
I must have overridden you must have overridden he must have overridden we must have overridden you must have overridden they must have overridden
V-ing perfect
I must have been overriding you must have been overriding he must have been overriding we must have been overriding you must have been overriding they must have been overriding
Negation
Simple form
I must not override you must not override he must not override we must not override you must not override they must not override
V-ing form
I must not be overriding you must not be overriding he must not be overriding we must not be overriding you must not be overriding they must not be overriding
Perfect
I must not have overridden you must not have overridden he must not have overridden we must not have overridden you must not have overridden they must not have overridden
V-ing perfect
I must not have been overriding you must not have been overriding he must not have been overriding we must not have been overriding you must not have been overriding they must not have been overriding
Interrogative form
Simple form
must I override? must you override? must he override? must we override? must you override? must they override?
V-ing form
must I be overriding? must you be overriding? must he be overriding? must we be overriding? must you be overriding? must they be overriding?
Perfect
must I have overridden? must you have overridden? must he have overridden? must we have overridden? must you have overridden? must they have overridden?
V-ing perfect
must I have been overriding? must you have been overriding? must he have been overriding? must we have been overriding? must you have been overriding? must they have been overriding?
Interro-negative form
Simple form
must I not override? must you not override? must he not override? must we not override? must you not override? must they not override?
V-ing form
must I not be overriding? must you not be overriding? must he not be overriding? must we not be overriding? must you not be overriding? must they not be overriding?
Perfect
must I not have overridden? must you not have overridden? must he not have overridden? must we not have overridden? must you not have overridden? must they not have overridden?
V-ing perfect
must I not have been overriding? must you not have been overriding? must he not have been overriding? must we not have been overriding? must you not have been overriding? must they not have been overriding?