I must undercapitalise you must undercapitalise she must undercapitalise we must undercapitalise you must undercapitalise they must undercapitalise
V-ing form
I must be undercapitalising you must be undercapitalising she must be undercapitalising we must be undercapitalising you must be undercapitalising they must be undercapitalising
Perfect
I must have undercapitalised you must have undercapitalised she 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 she 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 she 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 she 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 she 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 she 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 she undercapitalise? must we undercapitalise? must you undercapitalise? must they undercapitalise?
V-ing form
must I be undercapitalising? must you be undercapitalising? must she be undercapitalising? must we be undercapitalising? must you be undercapitalising? must they be undercapitalising?
Perfect
must I have undercapitalised? must you have undercapitalised? must she 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 she 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 she 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 she 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 she 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 she have been undercapitalising? mustn't we have been undercapitalising? mustn't you have been undercapitalising? mustn't they have been undercapitalising?