English verb conjugation
SHOULD FATHOM

Regular verb: fathom - fathomed - fathomed

Affirmation

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

Negation

Simple form	V-ing form
I should not fathom you should not fathom she should not fathom we should not fathom you should not fathom they should not fathom	I should not be fathoming you should not be fathoming she should not be fathoming we should not be fathoming you should not be fathoming they should not be fathoming
Perfect	V-ing perfect
I should not have fathomed you should not have fathomed she should not have fathomed we should not have fathomed you should not have fathomed they should not have fathomed	I should not have been fathoming you should not have been fathoming she should not have been fathoming we should not have been fathoming you should not have been fathoming they should not have been fathoming

Interrogative form

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

Interro-negative form

Simple form	V-ing form
should I not fathom? should you not fathom? should she not fathom? should we not fathom? should you not fathom? should they not fathom?	should I not be fathoming? should you not be fathoming? should she not be fathoming? should we not be fathoming? should you not be fathoming? should they not be fathoming?
Perfect	V-ing perfect
should I not have fathomed? should you not have fathomed? should she not have fathomed? should we not have fathomed? should you not have fathomed? should they not have fathomed?	should I not have been fathoming? should you not have been fathoming? should she not have been fathoming? should we not have been fathoming? should you not have been fathoming? should they not have been fathoming?