must guffaw
Verbe régulier : guffaw - guffawed- guffawed
Traduction française : rire bruyamment - s'esclaffer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must guffaw
you must guffaw
he must guffaw
we must guffaw
you must guffaw
they must guffaw 	I must be guffawing
you must be guffawing
he must be guffawing
we must be guffawing
you must be guffawing
they must be guffawing	I must have guffawed
you must have guffawed
he must have guffawed
we must have guffawed
you must have guffawed
they must have guffawed	I must have been guffawing
you must have been guffawing
he must have been guffawing
we must have been guffawing
you must have been guffawing
they must have been guffawing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not guffaw
you must not guffaw
he must not guffaw
we must not guffaw
you must not guffaw
they must not guffaw 	I must not be guffawing
you must not be guffawing
he must not be guffawing
we must not be guffawing
you must not be guffawing
they must not be guffawing	I must not have guffawed
you must not have guffawed
he must not have guffawed
we must not have guffawed
you must not have guffawed
they must not have guffawed	I must not have been guffawing
you must not have been guffawing
he must not have been guffawing
we must not have been guffawing
you must not have been guffawing
they must not have been guffawing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I guffaw?
must you guffaw?
must he guffaw?
must we guffaw?
must you guffaw?
must they guffaw? 	must I be guffawing?
must you be guffawing?
must he be guffawing?
must we be guffawing?
must you be guffawing?
must they be guffawing? 	must I have guffawed?
must you have guffawed?
must he have guffawed?
must we have guffawed?
must you have guffawed?
must they have guffawed? 	must I have been guffawing?
must you have been guffawing?
must he have been guffawing?
must we have been guffawing?
must you have been guffawing?
must they have been guffawing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not guffaw?
must you not guffaw?
must he not guffaw?
must we not guffaw?
must you not guffaw?
must they not guffaw? 	must I not be guffawing?
must you not be guffawing?
must he not be guffawing?
must we not be guffawing?
must you not be guffawing?
must they not be guffawing? 	must I not have guffawed?
must you not have guffawed?
must he not have guffawed?
must we not have guffawed?
must you not have guffawed?
must they not have guffawed? 	must I not have been guffawing?
must you not have been guffawing?
must he not have been guffawing?
must we not have been guffawing?
must you not have been guffawing?
must they not have been guffawing?