must purse
Verbe régulier : purse - pursed- pursed
Traduction française : pincer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must purse
you must purse
he must purse
we must purse
you must purse
they must purse 	I must be pursing
you must be pursing
he must be pursing
we must be pursing
you must be pursing
they must be pursing	I must have pursed
you must have pursed
he must have pursed
we must have pursed
you must have pursed
they must have pursed	I must have been pursing
you must have been pursing
he must have been pursing
we must have been pursing
you must have been pursing
they must have been pursing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not purse
you must not purse
he must not purse
we must not purse
you must not purse
they must not purse 	I must not be pursing
you must not be pursing
he must not be pursing
we must not be pursing
you must not be pursing
they must not be pursing	I must not have pursed
you must not have pursed
he must not have pursed
we must not have pursed
you must not have pursed
they must not have pursed	I must not have been pursing
you must not have been pursing
he must not have been pursing
we must not have been pursing
you must not have been pursing
they must not have been pursing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I purse?
must you purse?
must he purse?
must we purse?
must you purse?
must they purse? 	must I be pursing?
must you be pursing?
must he be pursing?
must we be pursing?
must you be pursing?
must they be pursing? 	must I have pursed?
must you have pursed?
must he have pursed?
must we have pursed?
must you have pursed?
must they have pursed? 	must I have been pursing?
must you have been pursing?
must he have been pursing?
must we have been pursing?
must you have been pursing?
must they have been pursing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not purse?
must you not purse?
must he not purse?
must we not purse?
must you not purse?
must they not purse? 	must I not be pursing?
must you not be pursing?
must he not be pursing?
must we not be pursing?
must you not be pursing?
must they not be pursing? 	must I not have pursed?
must you not have pursed?
must he not have pursed?
must we not have pursed?
must you not have pursed?
must they not have pursed? 	must I not have been pursing?
must you not have been pursing?
must he not have been pursing?
must we not have been pursing?
must you not have been pursing?
must they not have been pursing?