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 mustn't tranquillize you mustn't tranquillize he mustn't tranquillize we mustn't tranquillize you mustn't tranquillize they mustn't tranquillize
V-ing form
I mustn't be tranquillizing you mustn't be tranquillizing he mustn't be tranquillizing we mustn't be tranquillizing you mustn't be tranquillizing they mustn't be tranquillizing
Perfect
I mustn't have tranquillized you mustn't have tranquillized he mustn't have tranquillized we mustn't have tranquillized you mustn't have tranquillized they mustn't have tranquillized
V-ing perfect
I mustn't have been tranquillizing you mustn't have been tranquillizing he mustn't have been tranquillizing we mustn't have been tranquillizing you mustn't have been tranquillizing they mustn't 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
mustn't I tranquillize? mustn't you tranquillize? mustn't he tranquillize? mustn't we tranquillize? mustn't you tranquillize? mustn't they tranquillize?
V-ing form
mustn't I be tranquillizing? mustn't you be tranquillizing? mustn't he be tranquillizing? mustn't we be tranquillizing? mustn't you be tranquillizing? mustn't they be tranquillizing?
Perfect
mustn't I have tranquillized? mustn't you have tranquillized? mustn't he have tranquillized? mustn't we have tranquillized? mustn't you have tranquillized? mustn't they have tranquillized?
V-ing perfect
mustn't I have been tranquillizing? mustn't you have been tranquillizing? mustn't he have been tranquillizing? mustn't we have been tranquillizing? mustn't you have been tranquillizing? mustn't they have been tranquillizing?