must fathom
Verbe régulier : fathom - fathomed- fathomed
Traduction française : sonder - pénétrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must fathom
you must fathom
she must fathom
we must fathom
you must fathom
they must fathom 	I must be fathoming
you must be fathoming
she must be fathoming
we must be fathoming
you must be fathoming
they must be fathoming	I must have fathomed
you must have fathomed
she must have fathomed
we must have fathomed
you must have fathomed
they must have fathomed	I must have been fathoming
you must have been fathoming
she must have been fathoming
we must have been fathoming
you must have been fathoming
they must have been fathoming	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't fathom
you mustn't fathom
she mustn't fathom
we mustn't fathom
you mustn't fathom
they mustn't fathom 	I mustn't be fathoming
you mustn't be fathoming
she mustn't be fathoming
we mustn't be fathoming
you mustn't be fathoming
they mustn't be fathoming	I mustn't have fathomed
you mustn't have fathomed
she mustn't have fathomed
we mustn't have fathomed
you mustn't have fathomed
they mustn't have fathomed	I mustn't have been fathoming
you mustn't have been fathoming
she mustn't have been fathoming
we mustn't have been fathoming
you mustn't have been fathoming
they mustn't have been fathoming	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I fathom?
must you fathom?
must she fathom?
must we fathom?
must you fathom?
must they fathom? 	must I be fathoming?
must you be fathoming?
must she be fathoming?
must we be fathoming?
must you be fathoming?
must they be fathoming? 	must I have fathomed?
must you have fathomed?
must she have fathomed?
must we have fathomed?
must you have fathomed?
must they have fathomed? 	must I have been fathoming?
must you have been fathoming?
must she have been fathoming?
must we have been fathoming?
must you have been fathoming?
must they have been fathoming? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I fathom?
mustn't you fathom?
mustn't she fathom?
mustn't we fathom?
mustn't you fathom?
mustn't they fathom? 	mustn't I be fathoming?
mustn't you be fathoming?
mustn't she be fathoming?
mustn't we be fathoming?
mustn't you be fathoming?
mustn't they be fathoming? 	mustn't I have fathomed?
mustn't you have fathomed?
mustn't she have fathomed?
mustn't we have fathomed?
mustn't you have fathomed?
mustn't they have fathomed? 	mustn't I have been fathoming?
mustn't you have been fathoming?
mustn't she have been fathoming?
mustn't we have been fathoming?
mustn't you have been fathoming?
mustn't they have been fathoming?