Here are the answers to the word forms and rewrite tasks based on the provided text:

### Word Forms
46. home -> **homeless**
47. punish -> **punishment**
48. entertain -> **entertainment**
49. improve -> **improvement**
50. decide -> **decision**
51. enjoy -> **enjoyment**
52. match -> **matching**
53. devote -> **devotion**
54. imprison -> **imprisonment**

### Rewrite
31. Speaking English fluently is not easy.
**It is not easy to speak English fluently.**

32. You remembered to post the letter, didn’t you?
**You didn’t forget to post the letter, did you?**

33. It is a six hours flight from London to New York.
**The flight takes six hours from London to New York.**

34. We spent our childhood in that beautiful mountain resort, and we always remember it.
**We always remember spending our childhood in that beautiful mountain resort.**

35. The circus shows are exciting. The whole family enjoys them.
**The circus shows are exciting for the whole family.**

36. Le Van Tam was very brave. Everyone admired him.
**Le Van Tam was admired by everyone for being very brave.**

37. The problem is so difficult that I can’t explain it.
**The problem is too difficult for me to explain.**

38. The fire has destroyed almost all the houses in the neighbourhood.
**Almost all the houses in the neighbourhood have been destroyed by the fire.**

39. The robbers made the bank manager hand over the money.
**The bank manager was forced to hand over the money by the robbers.**

40. “I don’t remember what I did yesterday,” she said.
**She told me that she didn’t remember what she did yesterday.**

Feel free to adjust any responses or ask for further clarification!