33. The garden hasn't been dug yet
34. It cannot be denied that she has a beautiful voice
35. Neither she nor I have been there before
36. There used to be dreadful fogs
37. So fast did she speak that nobody understand her
38. Busy as my parents are, they try to find time for thier children
39. My father was so ill that he couldn't go to my sister's wedding party
40. The agreement which was signed yesterday, ended six-month negotiation