because和because of的区别 要短语和对应的句子（简洁，不要太难的单词） 谁答得好赏金越多！！！

because + 从句
study because I want to learn.
我学习是因为我想学到知识。

because of+ 名词，代词
I came back because of the rain.
因为下雨, 所以我回来了。

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祝你学习进步，更上一层楼！(*^__^*)】

I did it because they asked me to do it!

我做这事是因为他们请我做啊！

《新英汉大辞典》

They bumped her off because she knew too much.

因为她知道太多，所以他们把她干掉了。

《21世纪大英汉词典》

We could not reason out which way the robbers escaped, because we were unable to find any trace of them.

我们推断不出这些强盗是从哪个方向逃走的，因为我们找不到他们的任何踪迹。

》

because连词，加上句子
because of介词短语，加上名词短语
I was late because it rained havily.
I was late because of the heavy rain.

because 接句子 because of 接短语