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