1.

• Run-On: The sun set we went home.
• Correction: The sun set, and we went home.

2.

• Complete Sentence: The cat slept on the warm blanket.

3.

• Run-On: She baked a cake it smelled delicious.
• Correction: She baked a cake, and it smelled delicious.

4.

• Complete Sentence: The children played in the park all afternoon.

5.

• Run-On: We went to the movies we got popcorn.
• Correction: We went to the movies, and we got popcorn.

6.

• Complete Sentence: The flowers in the garden are blooming.

7.

• Run-On: He was tired he went to bed early.
• Correction: He was tired, so he went to bed early.

8.

• Complete Sentence: The dog chased the squirrel up the tree.

9.

• Run-On: The phone rang no one answered it.
• Correction: The phone rang, but no one answered it.

10.

• Complete Sentence: The snow covered the ground overnight.

11.

• Run-On: The car broke down we called for help.
• Correction: The car broke down, so we called for help.

12.

• Complete Sentence: The teacher explained the lesson clearly.

13.

• Run-On: She loves reading she visits the library often.
• Correction: She loves reading, so she visits the library often.

14.

• Complete Sentence: The cake was baked to perfection.

15.

• Run-On: The train was late we missed our connection.
• Correction: The train was late, and we missed our connection.

16.

• Complete Sentence: The wind howled through the night.

17.

• Run-On: I finished my homework I watched TV.
• Correction: I finished my homework, and then I watched TV.

18.

• Complete Sentence: The baby laughed at the funny faces.

19.

• Run-On: He forgot his keys he couldn’t get into the house.
• Correction: He forgot his keys, so he couldn’t get into the house.

20.

• Complete Sentence: The coffee was too hot to drink.

21.

• Run-On: She practiced the piano she improved quickly.
• Correction: She practiced the piano, and she improved quickly.

22.

• Complete Sentence: The boat sailed smoothly across the lake.

23.

• Run-On: The doorbell rang I opened the door.
• Correction: The doorbell rang, and I opened the door.

24.

• Complete Sentence: The sunflowers grew tall in the garden.

25.

• Run-On: He forgot his lunch he was hungry all day.
• Correction: He forgot his lunch, so he was hungry all day.

26.

• Complete Sentence: The cat purred as it sat on my lap.

27.

• Run-On: The storm came quickly we took shelter.
• Correction: The storm came quickly, so we took shelter.

28.

• Complete Sentence: The apples were ripe and ready to pick.

29.

• Run-On: The dog barked loudly the neighbors complained.
• Correction: The dog barked loudly, so the neighbors complained.

30.

• Complete Sentence: The stars twinkled in the night sky.

31.

• Run-On: The cookies were fresh we ate them all.
• Correction: The cookies were fresh, and we ate them all.

32.

• Complete Sentence: The bird built a nest in the tree.

33.

• Run-On: The cake was delicious everyone asked for seconds.
• Correction: The cake was delicious; everyone asked for seconds.

34.

• Complete Sentence: The phone buzzed with a new message.

35.

• Run-On: The movie was interesting we talked about it afterward.
• Correction: The movie was interesting, so we talked about it afterward.

36.

• Complete Sentence: The bus arrived on time at the station.

37.

• Run-On: The dog was dirty it needed a bath.
• Correction: The dog was dirty, so it needed a bath.

38.

• Complete Sentence: The rain poured down in heavy sheets.

39.

• Run-On: The alarm went off I jumped out of bed.
• Correction: The alarm went off, and I jumped out of bed.

40.

• Complete Sentence: The flowers wilted in the hot sun.

41.

• Run-On: The cat was hungry it meowed loudly.
• Correction: The cat was hungry, so it meowed loudly.

42.

• Complete Sentence: The teacher handed out the assignments.

43.

• Run-On: She went to the store she bought milk.
• Correction: She went to the store, and she bought milk.

44.

• Complete Sentence: The clouds drifted lazily across the sky.

45.

• Run-On: The baby cried we gave her a bottle.
• Correction: The baby cried, so we gave her a bottle.

46.

• Complete Sentence: The dog wagged its tail happily.

47.

• Run-On: The cat chased the mouse it hid under the couch.
• Correction: The cat chased the mouse, and it hid under the couch.

48.

• Complete Sentence: The wind blew the leaves across the yard.

49.

• Run-On: The ice cream melted quickly it was hot outside.
• Correction: The ice cream melted quickly because it was hot outside.

50.

• Complete Sentence: The girl skipped down the sidewalk.