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