English verb conjugation
COULD SLEUTH

Regular verb: sleuth - sleuthed - sleuthed

Affirmation

Simple form	V-ing form
I could sleuth you could sleuth he could sleuth we could sleuth you could sleuth they could sleuth	I could be sleuthing you could be sleuthing he could be sleuthing we could be sleuthing you could be sleuthing they could be sleuthing
Perfect	V-ing perfect
I could have sleuthed you could have sleuthed he could have sleuthed we could have sleuthed you could have sleuthed they could have sleuthed	I could have been sleuthing you could have been sleuthing he could have been sleuthing we could have been sleuthing you could have been sleuthing they could have been sleuthing

Negation

Simple form	V-ing form
I could not sleuth you could not sleuth he could not sleuth we could not sleuth you could not sleuth they could not sleuth	I could not be sleuthing you could not be sleuthing he could not be sleuthing we could not be sleuthing you could not be sleuthing they could not be sleuthing
Perfect	V-ing perfect
I could not have sleuthed you could not have sleuthed he could not have sleuthed we could not have sleuthed you could not have sleuthed they could not have sleuthed	I could not have been sleuthing you could not have been sleuthing he could not have been sleuthing we could not have been sleuthing you could not have been sleuthing they could not have been sleuthing

Interrogative form

Simple form	V-ing form
could I sleuth? could you sleuth? could he sleuth? could we sleuth? could you sleuth? could they sleuth?	could I be sleuthing? could you be sleuthing? could he be sleuthing? could we be sleuthing? could you be sleuthing? could they be sleuthing?
Perfect	V-ing perfect
could I have sleuthed? could you have sleuthed? could he have sleuthed? could we have sleuthed? could you have sleuthed? could they have sleuthed?	could I have been sleuthing? could you have been sleuthing? could he have been sleuthing? could we have been sleuthing? could you have been sleuthing? could they have been sleuthing?

Interro-negative form

Simple form	V-ing form
could I not sleuth? could you not sleuth? could he not sleuth? could we not sleuth? could you not sleuth? could they not sleuth?	could I not be sleuthing? could you not be sleuthing? could he not be sleuthing? could we not be sleuthing? could you not be sleuthing? could they not be sleuthing?
Perfect	V-ing perfect
could I not have sleuthed? could you not have sleuthed? could he not have sleuthed? could we not have sleuthed? could you not have sleuthed? could they not have sleuthed?	could I not have been sleuthing? could you not have been sleuthing? could he not have been sleuthing? could we not have been sleuthing? could you not have been sleuthing? could they not have been sleuthing?