I must vandalise you must vandalise she must vandalise we must vandalise you must vandalise they must vandalise
V-ing form
I must be vandalising you must be vandalising she must be vandalising we must be vandalising you must be vandalising they must be vandalising
Perfect
I must have vandalised you must have vandalised she must have vandalised we must have vandalised you must have vandalised they must have vandalised
V-ing perfect
I must have been vandalising you must have been vandalising she must have been vandalising we must have been vandalising you must have been vandalising they must have been vandalising
Negation
Simple form
I must not vandalise you must not vandalise she must not vandalise we must not vandalise you must not vandalise they must not vandalise
V-ing form
I must not be vandalising you must not be vandalising she must not be vandalising we must not be vandalising you must not be vandalising they must not be vandalising
Perfect
I must not have vandalised you must not have vandalised she must not have vandalised we must not have vandalised you must not have vandalised they must not have vandalised
V-ing perfect
I must not have been vandalising you must not have been vandalising she must not have been vandalising we must not have been vandalising you must not have been vandalising they must not have been vandalising
Interrogative form
Simple form
must I vandalise? must you vandalise? must she vandalise? must we vandalise? must you vandalise? must they vandalise?
V-ing form
must I be vandalising? must you be vandalising? must she be vandalising? must we be vandalising? must you be vandalising? must they be vandalising?
Perfect
must I have vandalised? must you have vandalised? must she have vandalised? must we have vandalised? must you have vandalised? must they have vandalised?
V-ing perfect
must I have been vandalising? must you have been vandalising? must she have been vandalising? must we have been vandalising? must you have been vandalising? must they have been vandalising?
Interro-negative form
Simple form
must I not vandalise? must you not vandalise? must she not vandalise? must we not vandalise? must you not vandalise? must they not vandalise?
V-ing form
must I not be vandalising? must you not be vandalising? must she not be vandalising? must we not be vandalising? must you not be vandalising? must they not be vandalising?
Perfect
must I not have vandalised? must you not have vandalised? must she not have vandalised? must we not have vandalised? must you not have vandalised? must they not have vandalised?
V-ing perfect
must I not have been vandalising? must you not have been vandalising? must she not have been vandalising? must we not have been vandalising? must you not have been vandalising? must they not have been vandalising?