English verb conjugation
COULD FILCH

Regular verb: filch - filched - filched

Affirmation

Simple form	V-ing form
I could filch you could filch he could filch we could filch you could filch they could filch	I could be filching you could be filching he could be filching we could be filching you could be filching they could be filching
Perfect	V-ing perfect
I could have filched you could have filched he could have filched we could have filched you could have filched they could have filched	I could have been filching you could have been filching he could have been filching we could have been filching you could have been filching they could have been filching

Negation

Simple form	V-ing form
I couldn't filch you couldn't filch he couldn't filch we couldn't filch you couldn't filch they couldn't filch	I couldn't be filching you couldn't be filching he couldn't be filching we couldn't be filching you couldn't be filching they couldn't be filching
Perfect	V-ing perfect
I couldn't have filched you couldn't have filched he couldn't have filched we couldn't have filched you couldn't have filched they couldn't have filched	I couldn't have been filching you couldn't have been filching he couldn't have been filching we couldn't have been filching you couldn't have been filching they couldn't have been filching

Interrogative form

Simple form	V-ing form
could I filch? could you filch? could he filch? could we filch? could you filch? could they filch?	could I be filching? could you be filching? could he be filching? could we be filching? could you be filching? could they be filching?
Perfect	V-ing perfect
could I have filched? could you have filched? could he have filched? could we have filched? could you have filched? could they have filched?	could I have been filching? could you have been filching? could he have been filching? could we have been filching? could you have been filching? could they have been filching?

Interro-negative form

Simple form	V-ing form
couldn't I filch? couldn't you filch? couldn't he filch? couldn't we filch? couldn't you filch? couldn't they filch?	couldn't I be filching? couldn't you be filching? couldn't he be filching? couldn't we be filching? couldn't you be filching? couldn't they be filching?
Perfect	V-ing perfect
couldn't I have filched? couldn't you have filched? couldn't he have filched? couldn't we have filched? couldn't you have filched? couldn't they have filched?	couldn't I have been filching? couldn't you have been filching? couldn't he have been filching? couldn't we have been filching? couldn't you have been filching? couldn't they have been filching?