1, Mary was accused of cheating in the exam by Peter.
2, Mary thanked Peter for giving her that lovely gift.
3, Peter father blamed him for having shouted at that poor old woman.
4, The policeman stopped Tom from entering that building.
5, Peter denied having broken those windows the previous night.
6, Dick apologized Linda for keeping her waiting so long.
7, Jack admitted having broken the Japanese vase the previous night.