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Complex Sentences worksheet for students to identify main clauses in sentences.

Worksheet titled "Complex Sentences" with instructions to underline the main clause in each sentence, featuring eight example sentences and illustrations of books and an owl reading.

Worksheet titled "Complex Sentences" with instructions to underline the main clause in each sentence, featuring eight example sentences and illustrations of books and an owl reading.

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Show Answer Key & Explanations Step-by-step solution for: Complex Sentence Worksheets - Main Clause | Free English Worksheets
To find the main clause in a complex sentence, we need to look for the part of the sentence that can stand alone as a complete thought. This part usually contains the subject and the verb and doesn't start with a "subordinating conjunction" (words like *because, although, when, if, until, after*). The other part of the sentence depends on the main clause to make sense.

Here is the step-by-step breakdown for each sentence:

1. "Even though he liked soccer, he never played it with his friends."
* *Even though he liked soccer* starts with "Even though," so it is the dependent part.
* *he never played it with his friends* is the complete thought.
* Main Clause: he never played it with his friends

2. "He played on the computer after he ate dinner."
* *after he ate dinner* starts with "after," making it dependent.
* *He played on the computer* is the complete thought.
* Main Clause: He played on the computer

3. "Ever since he lived in the new house, he has made it to work on time."
* *Ever since he lived in the new house* starts with "Ever since," so it is dependent.
* *he has made it to work on time* is the complete thought.
* Main Clause: he has made it to work on time

4. "Becca never has desert until her father has had some."
* *until her father has had some* starts with "until," making it dependent.
* *Becca never has desert* is the complete thought.
* Main Clause: Becca never has desert

5. "Simon bought a new car because he got a pay rise."
* *because he got a pay rise* starts with "because," so it is dependent.
* *Simon bought a new car* is the complete thought.
* Main Clause: Simon bought a new car

6. "When houses get cheaper, I’m going to buy one."
* *When houses get cheaper* starts with "When," making it dependent.
* *I’m going to buy one* is the complete thought.
* Main Clause: I’m going to buy one

7. "Trish decided to quit baseball because she wasn’t very good."
* *because she wasn’t very good* starts with "because," so it is dependent.
* *Trish decided to quit baseball* is the complete thought.
* Main Clause: Trish decided to quit baseball

8. "Mandy couldn’t have any food until she finished her homework."
* *until she finished her homework* starts with "until," making it dependent.
* *Mandy couldn’t have any food* is the complete thought.
* Main Clause: Mandy couldn’t have any food

Final Answer:
1. <u>he never played it with his friends</u>
2. <u>He played on the computer</u>
3. <u>he has made it to work on time</u>
4. <u>Becca never has desert</u>
5. <u>Simon bought a new car</u>
6. <u>I’m going to buy one</u>
7. <u>Trish decided to quit baseball</u>
8. <u>Mandy couldn’t have any food</u>
Parent Tip: Review the logic above to help your child master the concept of simple or compound sentences worksheet 5th grade.
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