How would you correct the following sentence?
If she had had more self-awareness, she could of been great.
If she had more self-awareness, she could of been great.
If she'd had more self-awareness, she could of been great.
If she had had more self awareness, she could of been great.
If she had had more self-awareness, she could have been great.
She could of been great if she had had more self-awareness.
No change