4. If David weren't so clumsy, he wouldn't have any accidents.

5. If I weren't so busy, I would write to my friends regularly.

6. If Sandra arrives a bit early, she can help you get things ready.

7. If the bus weren't so crowded, I would ride it to school every morning.

8. If the office wasn't closed, Mark would be able to get in.

9. If people realised how important it is to conserve energy, they would do many things about it.

10. If you want a chat, give me a ring.

11. If it weren't raining, we would finish the game.

12. If the driver in front hadn't stopped suddenly, the accident wouldn't have happened.

13. If the airport hadn't been closed, Sarah would have been able to fly to Rome.

14. If Carol hadn't been studying, she would have answered the phone.

4. David Has So Many Accidents Because He's So Clumsy.
If David Was Not So Clumsy, He Wouldn't Have So Many Accidents
5. I'm So Busy, So I Don't Write To My Friends Regularly.
If I Were Not Busy, I Would Write To My Friends Regularly
6. Sandra May Arrive A Bit Early. She Can Help You Get Things Ready.
If Sandra Arrives A Bit Early, She Can Help You Get Things Ready.
7. I Don't Ride The Bus To School Very Morning Because It's Always So Crowded.
If The Bus Is Not Always Crowded, I Will Ride The Bus To School Every Morning
8.the Office May Be Closed, So Mark Won't Be Able To Get In.
If The Office Is Not Closed, Mark Will Be Able To Get In
9. People Don't Realise How Important It Is To Conserve Energy, So They Do Nothing About It.
If People Realise How Important It Is To Conserve Energy, They Will Do Something About It.
10. You May Want A Chat, So Just Give Me A Ring.
If You Want A Chat, Just Give Me A Ring.
11. It Is Raining, So We Won't Finish The Game.
If It Were Not Raining, We Would Finish The Game
12. The Accident Happened Because The Driver In Front Stopped Suddenly.
If The Driver Hadn't Stopped Suddenly, The Accident Would Not Have Happened
13. The Airport Was Closed, So Sarah Wasn't Able To Fly To Rome.
If The Airport Hadn't Been Closed, Sarah Would Have Been Able To Fly To Rome
14. Carol Didn't Answer The Phone Because She Was Studying.
If Carol Hadn't Been Studying, She Would Have Answer The Phone.

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