I must annex you must annex he must annex we must annex you must annex they must annex
V-ing form
I must be annexing you must be annexing he must be annexing we must be annexing you must be annexing they must be annexing
Perfect
I must have annexed you must have annexed he must have annexed we must have annexed you must have annexed they must have annexed
V-ing perfect
I must have been annexing you must have been annexing he must have been annexing we must have been annexing you must have been annexing they must have been annexing
Negation
Simple form
I must not annex you must not annex he must not annex we must not annex you must not annex they must not annex
V-ing form
I must not be annexing you must not be annexing he must not be annexing we must not be annexing you must not be annexing they must not be annexing
Perfect
I must not have annexed you must not have annexed he must not have annexed we must not have annexed you must not have annexed they must not have annexed
V-ing perfect
I must not have been annexing you must not have been annexing he must not have been annexing we must not have been annexing you must not have been annexing they must not have been annexing
Interrogative form
Simple form
must I annex? must you annex? must he annex? must we annex? must you annex? must they annex?
V-ing form
must I be annexing? must you be annexing? must he be annexing? must we be annexing? must you be annexing? must they be annexing?
Perfect
must I have annexed? must you have annexed? must he have annexed? must we have annexed? must you have annexed? must they have annexed?
V-ing perfect
must I have been annexing? must you have been annexing? must he have been annexing? must we have been annexing? must you have been annexing? must they have been annexing?
Interro-negative form
Simple form
must I not annex? must you not annex? must he not annex? must we not annex? must you not annex? must they not annex?
V-ing form
must I not be annexing? must you not be annexing? must he not be annexing? must we not be annexing? must you not be annexing? must they not be annexing?
Perfect
must I not have annexed? must you not have annexed? must he not have annexed? must we not have annexed? must you not have annexed? must they not have annexed?
V-ing perfect
must I not have been annexing? must you not have been annexing? must he not have been annexing? must we not have been annexing? must you not have been annexing? must they not have been annexing?