The children were told not to skate on the pond (by me）.manytimes 怎么没了不好意思 看漏了。 The children are told not to skate on the pond many times (by me). 还是用现在时are比较好。还有，我个人觉得by me不要加上去比较好。你英语好吗 你是学生吗呵呵！是学生，英语一般般啦……1. They promised Mary a new doll for her birthday 2. we had to repair our TV set 这两个怎么做1 Mary was promised a new doll for her birthday (by them).2 Our TV set had to be repaired.