The past tense of have a word in your shell-like is had a word in your shell-like.
The third-person singular simple present indicative form of have a word in your shell-like is has a word in your shell-like.
The present participle of have a word in your shell-like is having a word in your shell-like.
The past participle of have a word in your shell-like is had a word in your shell-like.