In this topic, we're going to identify certain key components in a sentence. There are 2 aspects we're looking into.
We normally look into this analysis for grammar checking and gain understanding about the subject.
In this aspect:
I (subject) am happy (predicate).
He (subject) is good and happy person (predicate).
As time goes by (predicate), Serena (subject) gains enormous power to defeat the dragon (predicate).
In this aspect:
Chris (subject) ate cereal (direct object).
Chris (subject) threw me (indirect object) a Frisbee (direct object).
Chris (subject) gave a gift-card (direct object) to me (indirect object).