I must bestow you must bestow she must bestow we must bestow you must bestow they must bestow
V-ing form
I must be bestowing you must be bestowing she must be bestowing we must be bestowing you must be bestowing they must be bestowing
Perfect
I must have bestowed you must have bestowed she must have bestowed we must have bestowed you must have bestowed they must have bestowed
V-ing perfect
I must have been bestowing you must have been bestowing she must have been bestowing we must have been bestowing you must have been bestowing they must have been bestowing
Negation
Simple form
I must not bestow you must not bestow she must not bestow we must not bestow you must not bestow they must not bestow
V-ing form
I must not be bestowing you must not be bestowing she must not be bestowing we must not be bestowing you must not be bestowing they must not be bestowing
Perfect
I must not have bestowed you must not have bestowed she must not have bestowed we must not have bestowed you must not have bestowed they must not have bestowed
V-ing perfect
I must not have been bestowing you must not have been bestowing she must not have been bestowing we must not have been bestowing you must not have been bestowing they must not have been bestowing
Interrogative form
Simple form
must I bestow? must you bestow? must she bestow? must we bestow? must you bestow? must they bestow?
V-ing form
must I be bestowing? must you be bestowing? must she be bestowing? must we be bestowing? must you be bestowing? must they be bestowing?
Perfect
must I have bestowed? must you have bestowed? must she have bestowed? must we have bestowed? must you have bestowed? must they have bestowed?
V-ing perfect
must I have been bestowing? must you have been bestowing? must she have been bestowing? must we have been bestowing? must you have been bestowing? must they have been bestowing?
Interro-negative form
Simple form
must I not bestow? must you not bestow? must she not bestow? must we not bestow? must you not bestow? must they not bestow?
V-ing form
must I not be bestowing? must you not be bestowing? must she not be bestowing? must we not be bestowing? must you not be bestowing? must they not be bestowing?
Perfect
must I not have bestowed? must you not have bestowed? must she not have bestowed? must we not have bestowed? must you not have bestowed? must they not have bestowed?
V-ing perfect
must I not have been bestowing? must you not have been bestowing? must she not have been bestowing? must we not have been bestowing? must you not have been bestowing? must they not have been bestowing?