I must depend you must depend she must depend we must depend you must depend they must depend
V-ing form
I must be depending you must be depending she must be depending we must be depending you must be depending they must be depending
Perfect
I must have depended you must have depended she must have depended we must have depended you must have depended they must have depended
V-ing perfect
I must have been depending you must have been depending she must have been depending we must have been depending you must have been depending they must have been depending
Negation
Simple form
I must not depend you must not depend she must not depend we must not depend you must not depend they must not depend
V-ing form
I must not be depending you must not be depending she must not be depending we must not be depending you must not be depending they must not be depending
Perfect
I must not have depended you must not have depended she must not have depended we must not have depended you must not have depended they must not have depended
V-ing perfect
I must not have been depending you must not have been depending she must not have been depending we must not have been depending you must not have been depending they must not have been depending
Interrogative form
Simple form
must I depend? must you depend? must she depend? must we depend? must you depend? must they depend?
V-ing form
must I be depending? must you be depending? must she be depending? must we be depending? must you be depending? must they be depending?
Perfect
must I have depended? must you have depended? must she have depended? must we have depended? must you have depended? must they have depended?
V-ing perfect
must I have been depending? must you have been depending? must she have been depending? must we have been depending? must you have been depending? must they have been depending?
Interro-negative form
Simple form
must I not depend? must you not depend? must she not depend? must we not depend? must you not depend? must they not depend?
V-ing form
must I not be depending? must you not be depending? must she not be depending? must we not be depending? must you not be depending? must they not be depending?
Perfect
must I not have depended? must you not have depended? must she not have depended? must we not have depended? must you not have depended? must they not have depended?
V-ing perfect
must I not have been depending? must you not have been depending? must she not have been depending? must we not have been depending? must you not have been depending? must they not have been depending?