Question

I'll return this book as soon as I have read it.

I'll return this book as soon as I have read it.
这句话I have read it这里为什么用现在完成时？不应该是将来完成时，因为还并没有读完这本书啊…

Answer 1

　　I'll return this book as soon as I have read it.中文译作：我已看完这本书就归还它。句中return，意思是：归还；as soon as意思是：一......就
　　as soon as 一…就…; 一经;
　　1. As soon as he got inside, the dog shook himself.

　　他一进来，狗就开始摇头摆尾。
　　2. They stopped you as soon as you deviated from the script.
　　一旦你偏离了剧本的内容，他们就会喊停。

Answer 2

主将从现