请帮我改正一下语法She pulled down the wallpaper to see what behaind it was.和She pulled down the wallpaper to see what was behaind it.哪一个是对的,再帮我改一下这句话的语法（如果有错误）.
问题描述：
请帮我改正一下语法
She pulled down the wallpaper to see what behaind it was.和
She pulled down the wallpaper to see what was behaind it.哪一个是对的,再帮我改一下这句话的语法（如果有错误）.
答
She pulled down the wallpaper to see what was behind it.是这样的!
答
She pulled down the wallpaper to see what was behind it.
答
She pulled down the wallpaper to see what was behind it.（应该是behind）是对的 因为what 是从句的主语.
答
第二句是对的，不过behaind写错了，要改成behind
She pulled down the wallpaper to see what was behind it.她拉下墙纸看看后面有什么。