must sprig
Verbe régulier : sprig - sprigged- sprigged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must sprig
you must sprig
he must sprig
we must sprig
you must sprig
they must sprig 	I must be sprigging
you must be sprigging
he must be sprigging
we must be sprigging
you must be sprigging
they must be sprigging	I must have sprigged
you must have sprigged
he must have sprigged
we must have sprigged
you must have sprigged
they must have sprigged	I must have been sprigging
you must have been sprigging
he must have been sprigging
we must have been sprigging
you must have been sprigging
they must have been sprigging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not sprig
you must not sprig
he must not sprig
we must not sprig
you must not sprig
they must not sprig 	I must not be sprigging
you must not be sprigging
he must not be sprigging
we must not be sprigging
you must not be sprigging
they must not be sprigging	I must not have sprigged
you must not have sprigged
he must not have sprigged
we must not have sprigged
you must not have sprigged
they must not have sprigged	I must not have been sprigging
you must not have been sprigging
he must not have been sprigging
we must not have been sprigging
you must not have been sprigging
they must not have been sprigging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I sprig?
must you sprig?
must he sprig?
must we sprig?
must you sprig?
must they sprig? 	must I be sprigging?
must you be sprigging?
must he be sprigging?
must we be sprigging?
must you be sprigging?
must they be sprigging? 	must I have sprigged?
must you have sprigged?
must he have sprigged?
must we have sprigged?
must you have sprigged?
must they have sprigged? 	must I have been sprigging?
must you have been sprigging?
must he have been sprigging?
must we have been sprigging?
must you have been sprigging?
must they have been sprigging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not sprig?
must you not sprig?
must he not sprig?
must we not sprig?
must you not sprig?
must they not sprig? 	must I not be sprigging?
must you not be sprigging?
must he not be sprigging?
must we not be sprigging?
must you not be sprigging?
must they not be sprigging? 	must I not have sprigged?
must you not have sprigged?
must he not have sprigged?
must we not have sprigged?
must you not have sprigged?
must they not have sprigged? 	must I not have been sprigging?
must you not have been sprigging?
must he not have been sprigging?
must we not have been sprigging?
must you not have been sprigging?
must they not have been sprigging?