Rewrite each sentence with the correct comma usage for subordinating conjunctions and prepositions. Use the “Check Answer” button to see mistakes and the “See Explanation” button for feedback.
1. After, the lecture ended, the students went to the cafeteria.
2. Although, the library was crowded, John found a quiet spot to study.
3. Before, the exam started, the professor gave some last-minute tips.
4. Because, the weather was nice, the students decided to study outside.
5. If, you need help, you can visit the tutoring center.
6. Since, the cafeteria was closed, the students ordered pizza.
7. Unless, you submit the assignment on time, you will lose points.
8. While, the professor was speaking, the students took notes.
9. Until, the semester ends, students must focus on their studies.
10. Whenever, you feel stressed, take a break and relax.