I must tranquillise you must tranquillise she must tranquillise we must tranquillise you must tranquillise they must tranquillise
V-ing form
I must be tranquillising you must be tranquillising she must be tranquillising we must be tranquillising you must be tranquillising they must be tranquillising
Perfect
I must have tranquillised you must have tranquillised she must have tranquillised we must have tranquillised you must have tranquillised they must have tranquillised
V-ing perfect
I must have been tranquillising you must have been tranquillising she must have been tranquillising we must have been tranquillising you must have been tranquillising they must have been tranquillising
Negation
Simple form
I mustn't tranquillise you mustn't tranquillise she mustn't tranquillise we mustn't tranquillise you mustn't tranquillise they mustn't tranquillise
V-ing form
I mustn't be tranquillising you mustn't be tranquillising she mustn't be tranquillising we mustn't be tranquillising you mustn't be tranquillising they mustn't be tranquillising
Perfect
I mustn't have tranquillised you mustn't have tranquillised she mustn't have tranquillised we mustn't have tranquillised you mustn't have tranquillised they mustn't have tranquillised
V-ing perfect
I mustn't have been tranquillising you mustn't have been tranquillising she mustn't have been tranquillising we mustn't have been tranquillising you mustn't have been tranquillising they mustn't have been tranquillising
Interrogative form
Simple form
must I tranquillise? must you tranquillise? must she tranquillise? must we tranquillise? must you tranquillise? must they tranquillise?
V-ing form
must I be tranquillising? must you be tranquillising? must she be tranquillising? must we be tranquillising? must you be tranquillising? must they be tranquillising?
Perfect
must I have tranquillised? must you have tranquillised? must she have tranquillised? must we have tranquillised? must you have tranquillised? must they have tranquillised?
V-ing perfect
must I have been tranquillising? must you have been tranquillising? must she have been tranquillising? must we have been tranquillising? must you have been tranquillising? must they have been tranquillising?
Interro-negative form
Simple form
mustn't I tranquillise? mustn't you tranquillise? mustn't she tranquillise? mustn't we tranquillise? mustn't you tranquillise? mustn't they tranquillise?
V-ing form
mustn't I be tranquillising? mustn't you be tranquillising? mustn't she be tranquillising? mustn't we be tranquillising? mustn't you be tranquillising? mustn't they be tranquillising?
Perfect
mustn't I have tranquillised? mustn't you have tranquillised? mustn't she have tranquillised? mustn't we have tranquillised? mustn't you have tranquillised? mustn't they have tranquillised?
V-ing perfect
mustn't I have been tranquillising? mustn't you have been tranquillising? mustn't she have been tranquillising? mustn't we have been tranquillising? mustn't you have been tranquillising? mustn't they have been tranquillising?