Grammar for Elementary school students

Supri has an English book.

Betty rides a bicycle.

Rama sings a beautiful song.

Sinta listens to music.

All words printed in bold are nouns. So, What is a noun?

He has an English book.

She rides a bicycle.

They sing beautiful songs.

We watch news programs on TV.

All words printed in bold are pronoun. So, What is pronoun?

Anton and Ani read an English book.

Rama and Sinta ride a bicycle.

Santi sings a beautiful song.

Bima listens to music.

All words printed in bold are verbs. So, What is verb?

Ahmad runs quickly.

Raka and Siiti walk slowly.

Santi sings an English song beautifully.

Bima speaks English well.

All words printed in bold are adverbs. So, What is Adverb?

Tono writes an interesting story.

Rama and Sinta ride an expensive bicycle.

Santi sings a beautiful song.

Bima has a big house.

All words printed in bold are Adjectives. So, What is Adjective?