1. **If you type more carefully, you would make less mistakes.**
   - **Correction:** **"would make"** should be **"would make fewer"**.
   - **Corrected Sentence:** If you type more carefully, you would make **fewer** mistakes.

2. **If I know his social media account, I could let you know.**
   - **Correction:** **"know"** should be **"knew"**.
   - **Corrected Sentence:** If I **knew** his social media account, I could let you know.

3. **His life would be in danger if don't take him to the hospital as soon as possible.**
   - **Correction:** **"don't"** should be **"you don't"**.
   - **Corrected Sentence:** His life would be in danger if **you don't** take him to the hospital as soon as possible.

4. **If you didn't leave now, I will call the security.**
   - **Correction:** **"will"** should be **"would"**.
   - **Corrected Sentence:** If you didn't leave now, I **would** call the security.

5. **If you keep talking to your friends in class, you wouldn't understand the lesson.**
   - **Correction:** **"wouldn't"** should be **"won't"**.
   - **Corrected Sentence:** If you keep talking to your friends in class, you **won't** understand the lesson.

6. **Her parents will be happy if she studied hard.**
   - **Correction:** **"studied"** should be **"studies"**.
   - **Corrected Sentence:** Her parents will be happy if she **studies** hard.

7. **You won’t make it to the bus stop in time unless you ran faster.**
   - **Correction:** **"ran"** should be **"run"**.
   - **Corrected Sentence:** You won’t make it to the bus stop in time unless you **run** faster.

8. **If she were a member of the club, she will get a discount.**
   - **Correction:** **"will"** should be **"would"**.
   - **Corrected Sentence:** If she were a member of the club, she **would** get a discount.

9. **If Tom doesn’t try harder, he wouldn’t win the art competition.**
   - **Correction:** **"wouldn't"** should be **"won't"**.
   - **Corrected Sentence:** If Tom doesn’t try harder, he **won't** win the art competition.

10. **You can’t order a meal at this restaurant if you arrived here too early.**
    - **Correction:** **"arrived"** should be **"arrive"**.
    - **Corrected Sentence:** You can’t order a meal at this restaurant if you **arrive** here too early.