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 couldn't sleuth you couldn't sleuth he couldn't sleuth we couldn't sleuth you couldn't sleuth they couldn't sleuth	I couldn't be sleuthing you couldn't be sleuthing he couldn't be sleuthing we couldn't be sleuthing you couldn't be sleuthing they couldn't be sleuthing
Perfect	V-ing perfect
I couldn't have sleuthed you couldn't have sleuthed he couldn't have sleuthed we couldn't have sleuthed you couldn't have sleuthed they couldn't have sleuthed	I couldn't have been sleuthing you couldn't have been sleuthing he couldn't have been sleuthing we couldn't have been sleuthing you couldn't have been sleuthing they couldn't 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
couldn't I sleuth? couldn't you sleuth? couldn't he sleuth? couldn't we sleuth? couldn't you sleuth? couldn't they sleuth?	couldn't I be sleuthing? couldn't you be sleuthing? couldn't he be sleuthing? couldn't we be sleuthing? couldn't you be sleuthing? couldn't they be sleuthing?
Perfect	V-ing perfect
couldn't I have sleuthed? couldn't you have sleuthed? couldn't he have sleuthed? couldn't we have sleuthed? couldn't you have sleuthed? couldn't they have sleuthed?	couldn't I have been sleuthing? couldn't you have been sleuthing? couldn't he have been sleuthing? couldn't we have been sleuthing? couldn't you have been sleuthing? couldn't they have been sleuthing?