Name Grammar 1.3.2 Coordinating Conjunctions A compound sentence is made up of two simple sentences joined by a conjunction such as and, but, or, and so. A comma comes before the conjunction. And joins two similar ideas. But joins two different ideas. Or joins two possible ideas. So shows that the second idea happens because of the first. > Write the conjunction that best joins the simple sentences. Then write the compound sentence. 1. Gina wrote to Betsy. She wrote to Erin. 2. Daniel was at the pool. Miriam was not at the pool. 3. I know you’re tired. I will let you rest. 4. Tony likes almonds. He does not like peanuts. 5. Felicity’s family will be out of town. She will not go to the party. > Revisit your piece of writing. Edit the draft to make sure all coordinating conjunctions are used correctly. Grade 3 • Compound Sentences Printable © Houghton Mifflin Harcourt Publishing Company. All rights reserved.