C-S Sentences

 A compound sentence can be converted into a simple sentence by combining two independent clauses of the compound sentence into a single clause.

Method 1: By using a Participle (verb+ing)

C-  The dog barked loudly and scared the mailman away.

S  -Barking loudly, the dog scared the mailman away.

Compound: Sarah laughed heartily and hugged her friend tightly.

Simple: Laughing heartily, Sarah hugged her friend tightly.

Compound: The children played joyfully and sang songs loudly.

Simple: Playing joyfully, the children sang songs loudly.

Compound: The birds chirped cheerfully and danced in the sunlight.

Simple: Chirping cheerfully, the birds danced in the sunlight.

Compound: Sarah finished her homework and went to bed.

Simple: Finishing her homework, Sarah went to bed. 

Compound: The train arrived late and caused a lot of inconveniences.

Simple: Arriving late, the train caused a lot of inconveniences.

Method 2: By using a Prepositional Phrase

Compound: They were lost, so they asked for directions.

Simple: Upon being lost, they asked for directions.

Compound: He is wealthy, but he doesn’t like to flaunt his money.

Simple: Despite his wealth, he doesn’t like to flaunt his money.

Compound: She was running late, but she still made it to the meeting on time.

Simple: Despite running late, she made it to the meeting on time.

Compound: He was sick, but he still managed to go to work.

Simple: Despite being sick, he went to work.

Compound: They were scared, so they stayed together.

Simple: Due to their fear, they stayed together.

Compound:  She was hungry, but she didn’t have anything to eat.

Simple:  Despite her hunger, she had nothing to eat.

Method 3: By using an Infinitive

Compound: She needs to study hard, or she won’t pass the exam.

Simple: She needs to study hard to pass the exam.

Compound: He has to eat healthier, or he will get sick.

Simple: He has to eat healthier to avoid getting sick.

Compound: They have to save money, or they won’t be able to buy a house.

Simple: They have to save money to buy a house.

Compound: She should exercise regularly, or she will gain weight.

Simple: She should exercise regularly to avoid gaining weight.

Compound: He must finish his homework, or he won’t be able to go out with his friends.

Simple: He must finish his homework to go out with his friends.

Compound: They have to finish the project tonight, or they will miss the deadline.

Simple: They have to finish the project tonight to meet the deadline.