What is the complete subject and predicate in sentence when he looked at corn was angry?

Let's break down the sentence "When he looked at corn, he was angry":

* Complete Subject: "He"

* Complete Predicate: "looked at corn, he was angry"

Here's why:

* Subject: The subject of a sentence is who or what the sentence is about. In this case, it's "he".

* Predicate: The predicate tells us what the subject does or is. It includes the verb and any other words that modify the verb. Here, the predicate includes the verbs "looked" and "was" along with the prepositional phrase "at corn" and the adjective "angry".