21) She had gone out2) It had changed a lot3) She had arrangd to do something else4) The film had already begun5) I have not seen him for five years6) She had just have breakfasted31) returned2) had finished3) He though that he had lost the money4) Ann told me that she had seen an interesting film.5) When I came home, mother hadn't cooked dinner yet.41) had been typing2) had been waiting3) Had it been raining..?4) had been having5) had been training6) had been talking7) How long had you been watching..?8) had been sailing