Looking on the internet deeply has found these results:

he had eaten is the most popular phrase on the web.

he have eaten 1152,000 results on the web	he had eaten 1594,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Tom was unable to remember what he had eaten for breakfast. nippori where Mr. Yamada practices the difficult art of 'action cooking.' Do I understand that he asked for more after he had eaten his supper? I asked if he had eaten already. How many he had eaten in ten years.; He went for a swim in the sea and because he had eaten too much... he got stomach cramps and drowned. What if he had eaten your books? Later he told me he had eaten at the restaurant in Nishi

he have eaten

1152,000 results on the web

he had eaten

1594,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Tom was unable to remember what he had eaten for breakfast.
nippori where Mr. Yamada practices the difficult art of 'action cooking.'
Do I understand that he asked for more after he had eaten his supper?
I asked if he had eaten already.
How many he had eaten in ten years.;
He went for a swim in the sea and because he had eaten too much... he got stomach cramps and drowned.
What if he had eaten your books?
Later he told me he had eaten at the restaurant in Nishi