I must decimalise you must decimalise he must decimalise we must decimalise you must decimalise they must decimalise
V-ing form
I must be decimalising you must be decimalising he must be decimalising we must be decimalising you must be decimalising they must be decimalising
Perfect
I must have decimalised you must have decimalised he must have decimalised we must have decimalised you must have decimalised they must have decimalised
V-ing perfect
I must have been decimalising you must have been decimalising he must have been decimalising we must have been decimalising you must have been decimalising they must have been decimalising
Negation
Simple form
I must not decimalise you must not decimalise he must not decimalise we must not decimalise you must not decimalise they must not decimalise
V-ing form
I must not be decimalising you must not be decimalising he must not be decimalising we must not be decimalising you must not be decimalising they must not be decimalising
Perfect
I must not have decimalised you must not have decimalised he must not have decimalised we must not have decimalised you must not have decimalised they must not have decimalised
V-ing perfect
I must not have been decimalising you must not have been decimalising he must not have been decimalising we must not have been decimalising you must not have been decimalising they must not have been decimalising
Interrogative form
Simple form
must I decimalise? must you decimalise? must he decimalise? must we decimalise? must you decimalise? must they decimalise?
V-ing form
must I be decimalising? must you be decimalising? must he be decimalising? must we be decimalising? must you be decimalising? must they be decimalising?
Perfect
must I have decimalised? must you have decimalised? must he have decimalised? must we have decimalised? must you have decimalised? must they have decimalised?
V-ing perfect
must I have been decimalising? must you have been decimalising? must he have been decimalising? must we have been decimalising? must you have been decimalising? must they have been decimalising?
Interro-negative form
Simple form
must I not decimalise? must you not decimalise? must he not decimalise? must we not decimalise? must you not decimalise? must they not decimalise?
V-ing form
must I not be decimalising? must you not be decimalising? must he not be decimalising? must we not be decimalising? must you not be decimalising? must they not be decimalising?
Perfect
must I not have decimalised? must you not have decimalised? must he not have decimalised? must we not have decimalised? must you not have decimalised? must they not have decimalised?
V-ing perfect
must I not have been decimalising? must you not have been decimalising? must he not have been decimalising? must we not have been decimalising? must you not have been decimalising? must they not have been decimalising?