27. If I were you , I would stay home. 2

28. If she was taller , she would play basketball. 2

29. If I had money now , I would buy a car. 2

30. If he were my enemy , I would hate him. 2

31. If the be coldy , we won't go for a walk. 1

33. If the summer ends , children will go to school. 1

34. If I sing this song , I will be very happy. 1

35. If I drink a lot of coffee , I won't sleep. 1

36. If you were busy now , you would work hard. 2

37. If I do this exercise , I will be so tired. 1

38. If I be free , I will go sleep. 1

39. If I take ice to water , it melts. 0

( надеюсь правильно )