Ответ:
1 The shop assistant promised that he would deal with my complaint very soon.
2 The shop arrangement is in process at the moment.
3 I think there's no need to pay so much for a pair of jeans.
4 I think you had to talk to the bank manager and discuss the overdraft.
5 You'd regret buying such an old car.
6 The dentist said he would see me in a few minutes.
7 I'm tired so I don't feel like going out tonight.
8 When I came back, a new alarm system was being installed in our house.