Question

joining sentences
a compound sentence is made by putting together two or more simple sentences containing related information.

• the parts are usually joined by a conjunction such as and, or, or but.
• a comma is placed before the conjunction.

i wrote a paper on fingerprints. i presented it to my class.
i wrote a paper on fingerprints, and i presented it to my class.
use conjunctions and commas to combine each pair of simple sentences into a compound sentence. underline the conjunction.

1. im interested in police work. i dont want to be a police officer.
2. fingerprints expand as a person grows. they dont change.
3. i love to study fingerprints. i would like to learn more about them.
4. i can be a police officer. i can be a firefighter.
5. fingerprints are important. they have become a good tool for the courts.
6. dna is also valuable. it has only recently been perfected.

Explanation:

To form compound sentences, we use conjunctions 'and', 'or', 'but' as per the relationship between the simple - sentences and place a comma before the conjunction.

Answer:

1. I'm interested in police work, but I don't want to be a police officer.
2. Fingerprints expand as a person grows, but they don't change.
3. I love to study fingerprints, and I would like to learn more about them.
4. I can be a police officer, or I can be a firefighter.
5. Fingerprints are important, and they have become a good tool for the courts.
6. DNA is also valuable, but it has only recently been perfected.