I must imitate you must imitate she must imitate we must imitate you must imitate they must imitate
V-ing form
I must be imitating you must be imitating she must be imitating we must be imitating you must be imitating they must be imitating
Perfect
I must have imitated you must have imitated she must have imitated we must have imitated you must have imitated they must have imitated
V-ing perfect
I must have been imitating you must have been imitating she must have been imitating we must have been imitating you must have been imitating they must have been imitating
Negation
Simple form
I must not imitate you must not imitate she must not imitate we must not imitate you must not imitate they must not imitate
V-ing form
I must not be imitating you must not be imitating she must not be imitating we must not be imitating you must not be imitating they must not be imitating
Perfect
I must not have imitated you must not have imitated she must not have imitated we must not have imitated you must not have imitated they must not have imitated
V-ing perfect
I must not have been imitating you must not have been imitating she must not have been imitating we must not have been imitating you must not have been imitating they must not have been imitating
Interrogative form
Simple form
must I imitate? must you imitate? must she imitate? must we imitate? must you imitate? must they imitate?
V-ing form
must I be imitating? must you be imitating? must she be imitating? must we be imitating? must you be imitating? must they be imitating?
Perfect
must I have imitated? must you have imitated? must she have imitated? must we have imitated? must you have imitated? must they have imitated?
V-ing perfect
must I have been imitating? must you have been imitating? must she have been imitating? must we have been imitating? must you have been imitating? must they have been imitating?
Interro-negative form
Simple form
must I not imitate? must you not imitate? must she not imitate? must we not imitate? must you not imitate? must they not imitate?
V-ing form
must I not be imitating? must you not be imitating? must she not be imitating? must we not be imitating? must you not be imitating? must they not be imitating?
Perfect
must I not have imitated? must you not have imitated? must she not have imitated? must we not have imitated? must you not have imitated? must they not have imitated?
V-ing perfect
must I not have been imitating? must you not have been imitating? must she not have been imitating? must we not have been imitating? must you not have been imitating? must they not have been imitating?