English verb conjugation
MUST PRACTISE

Regular verb: practise - practised - practised

Affirmation

Simple form	V-ing form
I must practise you must practise he must practise we must practise you must practise they must practise	I must be practising you must be practising he must be practising we must be practising you must be practising they must be practising
Perfect	V-ing perfect
I must have practised you must have practised he must have practised we must have practised you must have practised they must have practised	I must have been practising you must have been practising he must have been practising we must have been practising you must have been practising they must have been practising

Negation

Simple form	V-ing form
I must not practise you must not practise he must not practise we must not practise you must not practise they must not practise	I must not be practising you must not be practising he must not be practising we must not be practising you must not be practising they must not be practising
Perfect	V-ing perfect
I must not have practised you must not have practised he must not have practised we must not have practised you must not have practised they must not have practised	I must not have been practising you must not have been practising he must not have been practising we must not have been practising you must not have been practising they must not have been practising

Interrogative form

Simple form	V-ing form
must I practise? must you practise? must he practise? must we practise? must you practise? must they practise?	must I be practising? must you be practising? must he be practising? must we be practising? must you be practising? must they be practising?
Perfect	V-ing perfect
must I have practised? must you have practised? must he have practised? must we have practised? must you have practised? must they have practised?	must I have been practising? must you have been practising? must he have been practising? must we have been practising? must you have been practising? must they have been practising?

Interro-negative form

Simple form	V-ing form
must I not practise? must you not practise? must he not practise? must we not practise? must you not practise? must they not practise?	must I not be practising? must you not be practising? must he not be practising? must we not be practising? must you not be practising? must they not be practising?
Perfect	V-ing perfect
must I not have practised? must you not have practised? must he not have practised? must we not have practised? must you not have practised? must they not have practised?	must I not have been practising? must you not have been practising? must he not have been practising? must we not have been practising? must you not have been practising? must they not have been practising?