English verb conjugation
COULD PROCESS

Regular verb: process - processed - processed

Affirmation

Simple form	V-ing form
I could process you could process he could process we could process you could process they could process	I could be processing you could be processing he could be processing we could be processing you could be processing they could be processing
Perfect	V-ing perfect
I could have processed you could have processed he could have processed we could have processed you could have processed they could have processed	I could have been processing you could have been processing he could have been processing we could have been processing you could have been processing they could have been processing

Negation

Simple form	V-ing form
I couldn't process you couldn't process he couldn't process we couldn't process you couldn't process they couldn't process	I couldn't be processing you couldn't be processing he couldn't be processing we couldn't be processing you couldn't be processing they couldn't be processing
Perfect	V-ing perfect
I couldn't have processed you couldn't have processed he couldn't have processed we couldn't have processed you couldn't have processed they couldn't have processed	I couldn't have been processing you couldn't have been processing he couldn't have been processing we couldn't have been processing you couldn't have been processing they couldn't have been processing

Interrogative form

Simple form	V-ing form
could I process? could you process? could he process? could we process? could you process? could they process?	could I be processing? could you be processing? could he be processing? could we be processing? could you be processing? could they be processing?
Perfect	V-ing perfect
could I have processed? could you have processed? could he have processed? could we have processed? could you have processed? could they have processed?	could I have been processing? could you have been processing? could he have been processing? could we have been processing? could you have been processing? could they have been processing?

Interro-negative form

Simple form	V-ing form
couldn't I process? couldn't you process? couldn't he process? couldn't we process? couldn't you process? couldn't they process?	couldn't I be processing? couldn't you be processing? couldn't he be processing? couldn't we be processing? couldn't you be processing? couldn't they be processing?
Perfect	V-ing perfect
couldn't I have processed? couldn't you have processed? couldn't he have processed? couldn't we have processed? couldn't you have processed? couldn't they have processed?	couldn't I have been processing? couldn't you have been processing? couldn't he have been processing? couldn't we have been processing? couldn't you have been processing? couldn't they have been processing?