Помогите перевести предложения используя Participle 2

1 Every woman knows that when she is in a bad mood, she should buy something new, or (she should) have her hair done (done) 2 He had his coffee delivered to his room (delivered) 3 Unseen, he was watching carefully everybody and everything (unseen) 4 Coming into the room, he found the table set (set) 5 if asked, answer  (asked) 6 The table having been set, Mother invited the guests (set)