he have eaten vs he had eaten

Some examples from the web:

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Some examples from the web:

• Tom was unable to remember what he had eaten for breakfast.
• He went for a swim in the sea and because he had eaten too much... he got stomach cramps and drowned.
• I asked if he had eaten already.
• What if he had eaten your books?
• How many he had eaten in ten years.;
• Later he told me he had eaten at the restaurant in Nishi-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?
• But Logi had not only eaten the meat, he had eaten the bones, and the trencher as well.
• And after the same manner, He also took the cup when he had eaten, saying,
• He had eaten one of my wife's special egg dishes.