19. Nobody has ever treated me with such kindness.

20.They have not caught the thieves

21. Did Ann discover the mistake?

22. Tommy didn`t break the chair.

23. She doesn`t the housework every morning.

24. She cooked the meals carefully.

25. She will put the flower vase in the living room.

26. Jane has just finished the needlework.

27. She is singing English songs now.

28. Could Jenny lock the door? 

29. We had lost the key.

30. I had not closed the window.  

31. Had she solved the problem? 

32. Millions of people will visit the museum .   

33. You will not do it. 

35. John gave me a nice present.

36. I bought my mother some flowers

37. Has she phoned him? 

38. The teacher won’t correct exercises tomorrow.

39. This well­known library attracts many people.
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