English verb conjugation
COULD HEAL

Regular verb: heal - healed - healed

Affirmation

Simple form	V-ing form
I could heal you could heal he could heal we could heal you could heal they could heal	I could be healing you could be healing he could be healing we could be healing you could be healing they could be healing
Perfect	V-ing perfect
I could have healed you could have healed he could have healed we could have healed you could have healed they could have healed	I could have been healing you could have been healing he could have been healing we could have been healing you could have been healing they could have been healing

Negation

Simple form	V-ing form
I could not heal you could not heal he could not heal we could not heal you could not heal they could not heal	I could not be healing you could not be healing he could not be healing we could not be healing you could not be healing they could not be healing
Perfect	V-ing perfect
I could not have healed you could not have healed he could not have healed we could not have healed you could not have healed they could not have healed	I could not have been healing you could not have been healing he could not have been healing we could not have been healing you could not have been healing they could not have been healing

Interrogative form

Simple form	V-ing form
could I heal? could you heal? could he heal? could we heal? could you heal? could they heal?	could I be healing? could you be healing? could he be healing? could we be healing? could you be healing? could they be healing?
Perfect	V-ing perfect
could I have healed? could you have healed? could he have healed? could we have healed? could you have healed? could they have healed?	could I have been healing? could you have been healing? could he have been healing? could we have been healing? could you have been healing? could they have been healing?

Interro-negative form

Simple form	V-ing form
could I not heal? could you not heal? could he not heal? could we not heal? could you not heal? could they not heal?	could I not be healing? could you not be healing? could he not be healing? could we not be healing? could you not be healing? could they not be healing?
Perfect	V-ing perfect
could I not have healed? could you not have healed? could he not have healed? could we not have healed? could you not have healed? could they not have healed?	could I not have been healing? could you not have been healing? could he not have been healing? could we not have been healing? could you not have been healing? could they not have been healing?