must practise
Verbe régulier : practise - practised- practised
Traduction française : (UK) s'exercer à - pratiquer - (UK) s'entraîner 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must practise
you must practise
she must practise
we must practise
you must practise
they must practise 	I must be practising
you must be practising
she must be practising
we must be practising
you must be practising
they must be practising	I must have practised
you must have practised
she 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
she must have been practising
we must have been practising
you must have been practising
they must have been practising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not practise
you must not practise
she 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
she must not be practising
we must not be practising
you must not be practising
they must not be practising	I must not have practised
you must not have practised
she 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
she must not have been practising
we must not have been practising
you must not have been practising
they must not have been practising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I practise?
must you practise?
must she practise?
must we practise?
must you practise?
must they practise? 	must I be practising?
must you be practising?
must she be practising?
must we be practising?
must you be practising?
must they be practising? 	must I have practised?
must you have practised?
must she 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 she have been practising?
must we have been practising?
must you have been practising?
must they have been practising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not practise?
must you not practise?
must she 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 she not be practising?
must we not be practising?
must you not be practising?
must they not be practising? 	must I not have practised?
must you not have practised?
must she 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 she not have been practising?
must we not have been practising?
must you not have been practising?
must they not have been practising?