Graham grew noticeably weaker over the course of the past several weeks, suffering from degenerative osteoarthritis of the back and neck.
<fluency> Graham grew noticeably weaker over the course of the past several weeks, suffering from degenerative osteoarthritis of the back and neck.
Graham had grown noticeably weaker over the course of the past several weeks, suffering from degenerative osteoarthritis of the back and neck.