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 must not captivate you must not captivate she must not captivate we must not captivate you must not captivate they must not captivate
V-ing form
I must not be captivating you must not be captivating she must not be captivating we must not be captivating you must not be captivating they must not be captivating
Perfect
I must not have captivated you must not have captivated she must not have captivated we must not have captivated you must not have captivated they must not have captivated
V-ing perfect
I must not have been captivating you must not have been captivating she must not have been captivating we must not have been captivating you must not have been captivating they must not 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
must I not captivate? must you not captivate? must she not captivate? must we not captivate? must you not captivate? must they not captivate?
V-ing form
must I not be captivating? must you not be captivating? must she not be captivating? must we not be captivating? must you not be captivating? must they not be captivating?
Perfect
must I not have captivated? must you not have captivated? must she not have captivated? must we not have captivated? must you not have captivated? must they not have captivated?
V-ing perfect
must I not have been captivating? must you not have been captivating? must she not have been captivating? must we not have been captivating? must you not have been captivating? must they not have been captivating?