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 mustn't depend you mustn't depend she mustn't depend we mustn't depend you mustn't depend they mustn't depend
V-ing form
I mustn't be depending you mustn't be depending she mustn't be depending we mustn't be depending you mustn't be depending they mustn't be depending
Perfect
I mustn't have depended you mustn't have depended she mustn't have depended we mustn't have depended you mustn't have depended they mustn't have depended
V-ing perfect
I mustn't have been depending you mustn't have been depending she mustn't have been depending we mustn't have been depending you mustn't have been depending they mustn't 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
mustn't I depend? mustn't you depend? mustn't she depend? mustn't we depend? mustn't you depend? mustn't they depend?
V-ing form
mustn't I be depending? mustn't you be depending? mustn't she be depending? mustn't we be depending? mustn't you be depending? mustn't they be depending?
Perfect
mustn't I have depended? mustn't you have depended? mustn't she have depended? mustn't we have depended? mustn't you have depended? mustn't they have depended?
V-ing perfect
mustn't I have been depending? mustn't you have been depending? mustn't she have been depending? mustn't we have been depending? mustn't you have been depending? mustn't they have been depending?