I must decentralise you must decentralise she must decentralise we must decentralise you must decentralise they must decentralise
V-ing form
I must be decentralising you must be decentralising she must be decentralising we must be decentralising you must be decentralising they must be decentralising
Perfect
I must have decentralised you must have decentralised she must have decentralised we must have decentralised you must have decentralised they must have decentralised
V-ing perfect
I must have been decentralising you must have been decentralising she must have been decentralising we must have been decentralising you must have been decentralising they must have been decentralising
Negation
Simple form
I must not decentralise you must not decentralise she must not decentralise we must not decentralise you must not decentralise they must not decentralise
V-ing form
I must not be decentralising you must not be decentralising she must not be decentralising we must not be decentralising you must not be decentralising they must not be decentralising
Perfect
I must not have decentralised you must not have decentralised she must not have decentralised we must not have decentralised you must not have decentralised they must not have decentralised
V-ing perfect
I must not have been decentralising you must not have been decentralising she must not have been decentralising we must not have been decentralising you must not have been decentralising they must not have been decentralising
Interrogative form
Simple form
must I decentralise? must you decentralise? must she decentralise? must we decentralise? must you decentralise? must they decentralise?
V-ing form
must I be decentralising? must you be decentralising? must she be decentralising? must we be decentralising? must you be decentralising? must they be decentralising?
Perfect
must I have decentralised? must you have decentralised? must she have decentralised? must we have decentralised? must you have decentralised? must they have decentralised?
V-ing perfect
must I have been decentralising? must you have been decentralising? must she have been decentralising? must we have been decentralising? must you have been decentralising? must they have been decentralising?
Interro-negative form
Simple form
must I not decentralise? must you not decentralise? must she not decentralise? must we not decentralise? must you not decentralise? must they not decentralise?
V-ing form
must I not be decentralising? must you not be decentralising? must she not be decentralising? must we not be decentralising? must you not be decentralising? must they not be decentralising?
Perfect
must I not have decentralised? must you not have decentralised? must she not have decentralised? must we not have decentralised? must you not have decentralised? must they not have decentralised?
V-ing perfect
must I not have been decentralising? must you not have been decentralising? must she not have been decentralising? must we not have been decentralising? must you not have been decentralising? must they not have been decentralising?