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