I must capitalise you must capitalise he must capitalise we must capitalise you must capitalise they must capitalise
V-ing form
I must be capitalising you must be capitalising he must be capitalising we must be capitalising you must be capitalising they must be capitalising
Perfect
I must have capitalised you must have capitalised he must have capitalised we must have capitalised you must have capitalised they must have capitalised
V-ing perfect
I must have been capitalising you must have been capitalising he must have been capitalising we must have been capitalising you must have been capitalising they must have been capitalising
Negation
Simple form
I mustn't capitalise you mustn't capitalise he mustn't capitalise we mustn't capitalise you mustn't capitalise they mustn't capitalise
V-ing form
I mustn't be capitalising you mustn't be capitalising he mustn't be capitalising we mustn't be capitalising you mustn't be capitalising they mustn't be capitalising
Perfect
I mustn't have capitalised you mustn't have capitalised he mustn't have capitalised we mustn't have capitalised you mustn't have capitalised they mustn't have capitalised
V-ing perfect
I mustn't have been capitalising you mustn't have been capitalising he mustn't have been capitalising we mustn't have been capitalising you mustn't have been capitalising they mustn't have been capitalising
Interrogative form
Simple form
must I capitalise? must you capitalise? must he capitalise? must we capitalise? must you capitalise? must they capitalise?
V-ing form
must I be capitalising? must you be capitalising? must he be capitalising? must we be capitalising? must you be capitalising? must they be capitalising?
Perfect
must I have capitalised? must you have capitalised? must he have capitalised? must we have capitalised? must you have capitalised? must they have capitalised?
V-ing perfect
must I have been capitalising? must you have been capitalising? must he have been capitalising? must we have been capitalising? must you have been capitalising? must they have been capitalising?
Interro-negative form
Simple form
mustn't I capitalise? mustn't you capitalise? mustn't he capitalise? mustn't we capitalise? mustn't you capitalise? mustn't they capitalise?
V-ing form
mustn't I be capitalising? mustn't you be capitalising? mustn't he be capitalising? mustn't we be capitalising? mustn't you be capitalising? mustn't they be capitalising?
Perfect
mustn't I have capitalised? mustn't you have capitalised? mustn't he have capitalised? mustn't we have capitalised? mustn't you have capitalised? mustn't they have capitalised?
V-ing perfect
mustn't I have been capitalising? mustn't you have been capitalising? mustn't he have been capitalising? mustn't we have been capitalising? mustn't you have been capitalising? mustn't they have been capitalising?