Similarly 0 grammatical errors flagged: "My name John. What your name? What day today?"

I was initially impressed. But then I tested a bunch, it wasn't catching some really basic things. Mostly hit or miss.

What the duck is that test

Nominative vs objective

There's a little more going on than that.

In addition to case, it's testing tense (went to have seen) and plural vs. posessive (ducks cousin)

Yeah, I stopped parsing after "Me and Jennifer".

Goes the other way around too. For

> In large, this is _how_ anything crawler-adjacent tends to be

It suggests

> In large, this is how _to_ anything crawler-adjacent tends to be