Simple Subjects and Predicates Worksheet featuring a story about Doug's chores and a boy sweeping.

Task Overview:

The task is to identify and mark the simple subjects and simple predicates in each sentence provided. Here's a breakdown of what these terms mean:

- Simple Subject: The smallest noun, pronoun, or gerund that performs the action in the sentence.
- Simple Predicate: The verb or verb phrase reduced to its smallest form that describes the action or state of the subject.

Solution:

Below are the sentences with the simple subjects underlined and the simple predicates circled.

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#### 1. Doug usually plays video games around this time.
- Underlined (Simple Subject): Doug
- Circled (Simple Predicate): plays

#### 2. Today is different though.
- Underlined (Simple Subject): Today
- Circled (Simple Predicate): is

#### 3. Today Doug is cleaning up messes around the house.
- Underlined (Simple Subject): Doug
- Circled (Simple Predicate): is cleaning

#### 4. His mother gave him a long list of chores.
- Underlined (Simple Subject): His mother
- Circled (Simple Predicate): gave

#### 5. The long list seemed overwhelming to Doug.
- Underlined (Simple Subject): The long list
- Circled (Simple Predicate): seemed

#### 6. His sister, Katie, finished her chores a long time ago.
- Underlined (Simple Subject): Katie
- Circled (Simple Predicate): finished

#### 7. Doug has been stalling.
- Underlined (Simple Subject): Doug
- Circled (Simple Predicate): has been stalling

#### 8. Katie helped her brother Doug with his chores a little bit.
- Underlined (Simple Subject): Katie
- Circled (Simple Predicate): helped

#### 9. That made Doug happier than a dog in a dirt pile.
- Underlined (Simple Subject): That
- Circled (Simple Predicate): made

#### 10. Soon though he was playing video games on the couch again.
- Underlined (Simple Subject): he
- Circled (Simple Predicate): was playing

#### 11. Many of Doug's chores were still incomplete.
- Underlined (Simple Subject): Many of Doug's chores
- Circled (Simple Predicate): were

#### 12. Then Katie saw her brother playing video games without her.
- Underlined (Simple Subject): Katie
- Circled (Simple Predicate): saw

#### 13. Having felt used, Katie left her brother alone.
- Underlined (Simple Subject): Katie
- Circled (Simple Predicate): left

#### 14. A little later in the afternoon, Doug went to get a glass of juice from the refrigerator.
- Underlined (Simple Subject): Doug
- Circled (Simple Predicate): went

#### 15. He saw Katie playing with her dolls in her bedroom.
- Underlined (Simple Subject): He
- Circled (Simple Predicate): saw

#### 16. At first he was upset with her.
- Underlined (Simple Subject): he
- Circled (Simple Predicate): was

#### 17. Then Doug realized his mistake in not helping her.
- Underlined (Simple Subject): Doug
- Circled (Simple Predicate): realized

#### 18. Holding his head down in regret, Doug apologized to his sister Katie.
- Underlined (Simple Subject): Doug
- Circled (Simple Predicate): apologized

#### 19. Katie graciously accepted his apology.
- Underlined (Simple Subject): Katie
- Circled (Simple Predicate): accepted

#### 20. Together, both of them finished the list of chores.
- Underlined (Simple Subject): both of them
- Circled (Simple Predicate): finished

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Final Answer:

The simple subjects are underlined, and the simple predicates are circled in each sentence as shown above.

Boxed Final Answer:
\boxed{\text{See detailed solution above.}}