I must unhinge you must unhinge she must unhinge we must unhinge you must unhinge they must unhinge
V-ing form
I must be unhinging you must be unhinging she must be unhinging we must be unhinging you must be unhinging they must be unhinging
Perfect
I must have unhinged you must have unhinged she must have unhinged we must have unhinged you must have unhinged they must have unhinged
V-ing perfect
I must have been unhinging you must have been unhinging she must have been unhinging we must have been unhinging you must have been unhinging they must have been unhinging
Negation
Simple form
I mustn't unhinge you mustn't unhinge she mustn't unhinge we mustn't unhinge you mustn't unhinge they mustn't unhinge
V-ing form
I mustn't be unhinging you mustn't be unhinging she mustn't be unhinging we mustn't be unhinging you mustn't be unhinging they mustn't be unhinging
Perfect
I mustn't have unhinged you mustn't have unhinged she mustn't have unhinged we mustn't have unhinged you mustn't have unhinged they mustn't have unhinged
V-ing perfect
I mustn't have been unhinging you mustn't have been unhinging she mustn't have been unhinging we mustn't have been unhinging you mustn't have been unhinging they mustn't have been unhinging
Interrogative form
Simple form
must I unhinge? must you unhinge? must she unhinge? must we unhinge? must you unhinge? must they unhinge?
V-ing form
must I be unhinging? must you be unhinging? must she be unhinging? must we be unhinging? must you be unhinging? must they be unhinging?
Perfect
must I have unhinged? must you have unhinged? must she have unhinged? must we have unhinged? must you have unhinged? must they have unhinged?
V-ing perfect
must I have been unhinging? must you have been unhinging? must she have been unhinging? must we have been unhinging? must you have been unhinging? must they have been unhinging?
Interro-negative form
Simple form
mustn't I unhinge? mustn't you unhinge? mustn't she unhinge? mustn't we unhinge? mustn't you unhinge? mustn't they unhinge?
V-ing form
mustn't I be unhinging? mustn't you be unhinging? mustn't she be unhinging? mustn't we be unhinging? mustn't you be unhinging? mustn't they be unhinging?
Perfect
mustn't I have unhinged? mustn't you have unhinged? mustn't she have unhinged? mustn't we have unhinged? mustn't you have unhinged? mustn't they have unhinged?
V-ing perfect
mustn't I have been unhinging? mustn't you have been unhinging? mustn't she have been unhinging? mustn't we have been unhinging? mustn't you have been unhinging? mustn't they have been unhinging?