English verb conjugation
CAN FATHOM

Regular verb: fathom - fathomed - fathomed

Affirmation

Simple form	V-ing form
I can fathom you can fathom he can fathom we can fathom you can fathom they can fathom	I can be fathoming you can be fathoming he can be fathoming we can be fathoming you can be fathoming they can be fathoming
Perfect	V-ing perfect
I can have fathomed you can have fathomed he can have fathomed we can have fathomed you can have fathomed they can have fathomed	I can have been fathoming you can have been fathoming he can have been fathoming we can have been fathoming you can have been fathoming they can have been fathoming

Negation

Simple form	V-ing form
I can't fathom you can't fathom he can't fathom we can't fathom you can't fathom they can't fathom	I can't be fathoming you can't be fathoming he can't be fathoming we can't be fathoming you can't be fathoming they can't be fathoming
Perfect	V-ing perfect
I can't have fathomed you can't have fathomed he can't have fathomed we can't have fathomed you can't have fathomed they can't have fathomed	I can't have been fathoming you can't have been fathoming he can't have been fathoming we can't have been fathoming you can't have been fathoming they can't have been fathoming

Interrogative form

Simple form	V-ing form
can I fathom? can you fathom? can he fathom? can we fathom? can you fathom? can they fathom?	can I be fathoming? can you be fathoming? can he be fathoming? can we be fathoming? can you be fathoming? can they be fathoming?
Perfect	V-ing perfect
can I have fathomed? can you have fathomed? can he have fathomed? can we have fathomed? can you have fathomed? can they have fathomed?	can I have been fathoming? can you have been fathoming? can he have been fathoming? can we have been fathoming? can you have been fathoming? can they have been fathoming?

Interro-negative form

Simple form	V-ing form
can't I fathom? can't you fathom? can't he fathom? can't we fathom? can't you fathom? can't they fathom?	can't I be fathoming? can't you be fathoming? can't he be fathoming? can't we be fathoming? can't you be fathoming? can't they be fathoming?
Perfect	V-ing perfect
can't I have fathomed? can't you have fathomed? can't he have fathomed? can't we have fathomed? can't you have fathomed? can't they have fathomed?	can't I have been fathoming? can't you have been fathoming? can't he have been fathoming? can't we have been fathoming? can't you have been fathoming? can't they have been fathoming?