关于英语各种从句改为主语从句 ..其偶帮助

Whether we are going shopping today depends on the weather. （Whether 引导主语从句）

It suddenly occurred to me that I wanted to travel to Europe. （that 引导主语从句,it 是形式主语）【楼主的句子有错误,漏了want的-ed,后面还漏了to】

It doesn't matter to me whether she is please or not. （Whether 引导主语从句,it 是形式主语）

1. Whether we are going shopping or not today depends on the weather.
2. The idea that I want to travel to Europe suddenly came up to me.
3. Whether she is pleased or not isn't important to me.

1.We will decide whether we are going shopping today depending on the weather.
Wether we will go shopping today depends on the weather.
2.Suddenly I had an idea that I want travel to Europe.