To keep your writing interesting, vary your sentence structure. If you write a lot of sentences with a simple subject-and-verb structure, your audience may nod off. You can use two easy methods to make your sentences more interesting: use compound subjects or use compound predicates. A compound subject means two or more people, places or things go before the verb. A compound predicate means two or more people, places or things go after the verb.

Compound Subjects

Write a sentence with a compound subject by using two or more nouns before the verb. This comes in handy when describing things such as team sports or group activities. Example: Joe, Jill and Jim set up the picnic table. Ross and Roy rowed the boat.

Keep the verb the same, no matter how many nouns the subject contains. Example: Ross and Roy rowed the boat. Ross, Roy, Roger and Jeremy rowed the boat.

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Make these simple sentences into one sentence that has a compound subject. Fran raced on skates. Marie raced on skates. Answer: Fran and Marie raced on skates.

Compound Predicates

Write a compound predicate when one person, place or thing does two things. Example: Sharon sings in the shower and washes her hair. Two actions come from one subject. You can do two things at once, right? So can a sentence.

Change the verb with a compound predicate. The two actions the subject takes require two verbs to describe the action. Example: The bear growled and chased Jim.

Change these simple sentences into one sentence with a compound predicate. The dog wagged his tail. The dog barked. Answer: The dog wagged his tail and barked.

Compound Subjects with Compound Predicates

Use a compound subject and compound predicate if two or more people take two or more actions. Example: Jerry and Joe ate ice cream and went swimming. Three nouns can do two things. Example: The bear, the dog and the cat floated on the raft and jumped off when it came ashore.

Combine simple sentences into compound sentences. Jim ate ice cream. Jim went swimming. Joe ate ice cream, too. Joe joined Jim in swimming. Then Billy ate ice cream. Billy went swimming, too. Change to: Jim, Joe and Billy ate ice cream and went swimming.

Combine three sentences into one by using a compound subject with a compound predicate. Ralph traveled to the mountains and fished in a stream. Randy joined him on the trip. They also invited Frank. Answer: Ralph, Randy and Frank traveled to the mountains and fished in a stream.

About the Author

Kevin Johnston writes for Ameriprise Financial, the Rutgers University MBA Program and Evan Carmichael. He has written about business, marketing, finance, sales and investing for publications such as "The New York Daily News," "Business Age" and "Nation's Business." He is an instructional designer with credits for companies such as ADP, Standard and Poor's and Bank of America.