I must fascinate you must fascinate he must fascinate we must fascinate you must fascinate they must fascinate
V-ing form
I must be fascinating you must be fascinating he must be fascinating we must be fascinating you must be fascinating they must be fascinating
Perfect
I must have fascinated you must have fascinated he must have fascinated we must have fascinated you must have fascinated they must have fascinated
V-ing perfect
I must have been fascinating you must have been fascinating he must have been fascinating we must have been fascinating you must have been fascinating they must have been fascinating
Negation
Simple form
I must not fascinate you must not fascinate he must not fascinate we must not fascinate you must not fascinate they must not fascinate
V-ing form
I must not be fascinating you must not be fascinating he must not be fascinating we must not be fascinating you must not be fascinating they must not be fascinating
Perfect
I must not have fascinated you must not have fascinated he must not have fascinated we must not have fascinated you must not have fascinated they must not have fascinated
V-ing perfect
I must not have been fascinating you must not have been fascinating he must not have been fascinating we must not have been fascinating you must not have been fascinating they must not have been fascinating
Interrogative form
Simple form
must I fascinate? must you fascinate? must he fascinate? must we fascinate? must you fascinate? must they fascinate?
V-ing form
must I be fascinating? must you be fascinating? must he be fascinating? must we be fascinating? must you be fascinating? must they be fascinating?
Perfect
must I have fascinated? must you have fascinated? must he have fascinated? must we have fascinated? must you have fascinated? must they have fascinated?
V-ing perfect
must I have been fascinating? must you have been fascinating? must he have been fascinating? must we have been fascinating? must you have been fascinating? must they have been fascinating?
Interro-negative form
Simple form
must I not fascinate? must you not fascinate? must he not fascinate? must we not fascinate? must you not fascinate? must they not fascinate?
V-ing form
must I not be fascinating? must you not be fascinating? must he not be fascinating? must we not be fascinating? must you not be fascinating? must they not be fascinating?
Perfect
must I not have fascinated? must you not have fascinated? must he not have fascinated? must we not have fascinated? must you not have fascinated? must they not have fascinated?
V-ing perfect
must I not have been fascinating? must you not have been fascinating? must he not have been fascinating? must we not have been fascinating? must you not have been fascinating? must they not have been fascinating?