"Are there any parts [...]" is falsely corrected to "Are there is any parts [...]"

## Description

The sentence
> Are there any parts that need more testing?

gets corrected to
> Are there is any parts that need more testing?

which is wrong.
## Resources

Should be obvious.

## Screenshots

No source file or test is named. Start by reproducing the correction for “Are there any parts that need more testing?” and trace which grammar-checking rule produces the incorrect wording. Done means this sentence remains grammatically correct after correction, with a regression test covering the behavior.

Written by the indexing model from the issue text.