33. “Don’t go to the park when it gets dark, Peter” said Mrs. Brown
- Mrs. Brown told me not to go to the park when it gets dark
34. We started learning Chinese four years ago.
-We have started learning Chinese for four years.
35. Mr. Pike saves a lot of money because he uses energy-saving bulbs.
-If Mr. Pike didn't use energy-saving bulbs, he wouldn't save a lot of money
36. Tom works more carefully than John.
-John doesn't works as carefully as Tom.