I must tranquillize you must tranquillize he must tranquillize we must tranquillize you must tranquillize they must tranquillize
V-ing form
I must be tranquillizing you must be tranquillizing he must be tranquillizing we must be tranquillizing you must be tranquillizing they must be tranquillizing
Perfect
I must have tranquillized you must have tranquillized he must have tranquillized we must have tranquillized you must have tranquillized they must have tranquillized
V-ing perfect
I must have been tranquillizing you must have been tranquillizing he must have been tranquillizing we must have been tranquillizing you must have been tranquillizing they must have been tranquillizing
Negation
Simple form
I must not tranquillize you must not tranquillize he must not tranquillize we must not tranquillize you must not tranquillize they must not tranquillize
V-ing form
I must not be tranquillizing you must not be tranquillizing he must not be tranquillizing we must not be tranquillizing you must not be tranquillizing they must not be tranquillizing
Perfect
I must not have tranquillized you must not have tranquillized he must not have tranquillized we must not have tranquillized you must not have tranquillized they must not have tranquillized
V-ing perfect
I must not have been tranquillizing you must not have been tranquillizing he must not have been tranquillizing we must not have been tranquillizing you must not have been tranquillizing they must not have been tranquillizing
Interrogative form
Simple form
must I tranquillize? must you tranquillize? must he tranquillize? must we tranquillize? must you tranquillize? must they tranquillize?
V-ing form
must I be tranquillizing? must you be tranquillizing? must he be tranquillizing? must we be tranquillizing? must you be tranquillizing? must they be tranquillizing?
Perfect
must I have tranquillized? must you have tranquillized? must he have tranquillized? must we have tranquillized? must you have tranquillized? must they have tranquillized?
V-ing perfect
must I have been tranquillizing? must you have been tranquillizing? must he have been tranquillizing? must we have been tranquillizing? must you have been tranquillizing? must they have been tranquillizing?
Interro-negative form
Simple form
must I not tranquillize? must you not tranquillize? must he not tranquillize? must we not tranquillize? must you not tranquillize? must they not tranquillize?
V-ing form
must I not be tranquillizing? must you not be tranquillizing? must he not be tranquillizing? must we not be tranquillizing? must you not be tranquillizing? must they not be tranquillizing?
Perfect
must I not have tranquillized? must you not have tranquillized? must he not have tranquillized? must we not have tranquillized? must you not have tranquillized? must they not have tranquillized?
V-ing perfect
must I not have been tranquillizing? must you not have been tranquillizing? must he not have been tranquillizing? must we not have been tranquillizing? must you not have been tranquillizing? must they not have been tranquillizing?