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