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