1.was convinced I was no longer interested in hearing him tell of his adventures during the long weeks when he was far away from the house.

【参考译文】他以前总给我离家时的长时间内经历的冒险故事，而（我）相信，自己再也不会像以前那样那么感兴趣了。
【结构解析】这里用了hear sb. do sth.的结构，意思是“是听见某人干什么事情”，这个动作可能持续了很久，但是这个句子不强调你在这个过程的什么时候听见的。而hear sb doing sth 是听见某人“正在”干某事，强调这个句子所描述的瞬间。

2.The time's come to show you something.

【参考译文】该给你看些东西的时候了。
【结构解析】这句话相当于"It is the time to show you something"。

3.My father opened his pocket knife and cut the branch he'd selected with pious care

【参考译文】父亲打开他的袖珍小刀，极其小心地切下他选的那支。
【结构解析】“ he'd selected with pious care”前面省略了"which"，这里做定语从句，修饰“ branch”。