Sentence 1: The boy is very happy.
The → Article
boy → Noun
is → Verb
very → Adverb
happy → Adjective
Sentence 2: She runs quickly.
She → Pronoun
runs → Verb
quickly → Adverb
Sentence 3: They are playing in the field.
They → Pronoun
are playing → Verb
in → Preposition
the → Article
field → Noun
I really enjoying the learning English with saylor.