Is it a good sentence?

And then immediately cleaned off our plates, rinsed our dishes, and loaded the dishwasher.

Fragment

For everyone to see.

Fragment

Went to the store to buy a newspaper for his dad.

Fragment

Which made everyone upset.

Fragment

Desmond gave the kid a piece of candy and said sorry.

Good Sentence

Desmond gripped the handlebars and raced toward the boys.

Good Sentence

He didn't dare stop.

Good Sentence

He sees a gang of boys.

Good Sentence

He went to the store to buy a newspaper for his dad.

Good Sentence

The other boys laughed and shouted the mean word again and again.

Good Sentence

We immediately cleaned off our plates, rinsed our dishes, and loaded the dishwasher.

Good Sentence

He see a gang of boys.

S/V doesn't agree

Desmond gave the kid a piece of candy and says sorry.

Verb tense doesn't match

Desmond gripped the handlebars and is racing away.

Verb tenses don't match