12 If you saved electricity, you wouldn't pay a lot of money
13 If we had enough money, we would buy those new comics
14 If she were free today, she could go to the movie with her friends
15 If he weren't lazy, he wouldn't fail the final exam
16 If the weather were fine, the children would play outdoor
17 If Thu could swim, she would go to the swimming pool with her friends
18 If people saw the UFO, they would call the National UFO Reporting Center
19 If she kept the refrigerator door closed, she could save the energy
20 If there weren't much traffic, the air wouldn't be polluted by the waste smoke
21 If Ba were fast enough, he could catch the school bus
12. You dont save electricity. You pay a lot of money.
->If you don't save electricity, you will pay a lot of money
13. We dont have enough money, so we dont buy those new comics.
->If we had enough money, we would buy those new comics
14. She is not free today, so she cant go to the movie with her friends.
-> If she were free today, she could go to the movie with her friends
15. He is so lazy. He fails the final exam.
->If he weren't lazy, he wouldn't fail the final exam
16. The weather is not fine. The children dont play outdoors.
->If the weather were fine, the children would play outdoors
17. Thu cannot swim, so she doesnt go to the swimming pool with her friends.
-> If Thu could swim, she woudl go to the swimming pool with her firiends
18. People dont see the UFO, so they dont call the National UFO Reporting Centre.
-> If people saw the UFO, they would call the National UFO Reporting Centre
19. She doesnt keep the refrigerator door closed, so she cannot save the energy.
->If she kept the refrigerator door closed, she could save the money
20. There is much traffic, so the air is polluted by the waste smoke.
->If there weren't much traffic, the aire wouldn't be polluted by the waste smoke
21. Ba isnt fast enough to catch the school bus.
->If Ba were fast enough, he would catch the school bus
