must outfumble
Verbe régulier : outfumble - outfumbled- outfumbled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must outfumble
you must outfumble
she must outfumble
we must outfumble
you must outfumble
they must outfumble 	I must be outfumbling
you must be outfumbling
she must be outfumbling
we must be outfumbling
you must be outfumbling
they must be outfumbling	I must have outfumbled
you must have outfumbled
she must have outfumbled
we must have outfumbled
you must have outfumbled
they must have outfumbled	I must have been outfumbling
you must have been outfumbling
she must have been outfumbling
we must have been outfumbling
you must have been outfumbling
they must have been outfumbling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not outfumble
you must not outfumble
she must not outfumble
we must not outfumble
you must not outfumble
they must not outfumble 	I must not be outfumbling
you must not be outfumbling
she must not be outfumbling
we must not be outfumbling
you must not be outfumbling
they must not be outfumbling	I must not have outfumbled
you must not have outfumbled
she must not have outfumbled
we must not have outfumbled
you must not have outfumbled
they must not have outfumbled	I must not have been outfumbling
you must not have been outfumbling
she must not have been outfumbling
we must not have been outfumbling
you must not have been outfumbling
they must not have been outfumbling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I outfumble?
must you outfumble?
must she outfumble?
must we outfumble?
must you outfumble?
must they outfumble? 	must I be outfumbling?
must you be outfumbling?
must she be outfumbling?
must we be outfumbling?
must you be outfumbling?
must they be outfumbling? 	must I have outfumbled?
must you have outfumbled?
must she have outfumbled?
must we have outfumbled?
must you have outfumbled?
must they have outfumbled? 	must I have been outfumbling?
must you have been outfumbling?
must she have been outfumbling?
must we have been outfumbling?
must you have been outfumbling?
must they have been outfumbling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not outfumble?
must you not outfumble?
must she not outfumble?
must we not outfumble?
must you not outfumble?
must they not outfumble? 	must I not be outfumbling?
must you not be outfumbling?
must she not be outfumbling?
must we not be outfumbling?
must you not be outfumbling?
must they not be outfumbling? 	must I not have outfumbled?
must you not have outfumbled?
must she not have outfumbled?
must we not have outfumbled?
must you not have outfumbled?
must they not have outfumbled? 	must I not have been outfumbling?
must you not have been outfumbling?
must she not have been outfumbling?
must we not have been outfumbling?
must you not have been outfumbling?
must they not have been outfumbling?