辨析句子构成1.You don't know what difficulty I had (managing to ge

辨析句子构成
1.You don't know what difficulty I had (managing to get this ticket).I hope the film is really worth seeing.{为什么是managing?}
2.He left the place making up his mind never (to) set foot on the land.{为什么要to?}
3.We all felt sorry for him,but he seemd to have got used to (being spoke to)like that.{为什么是being spoke啊?不是主动吗?}