1.地点状语从句：地点状语从句多由where 或wherever 引起：
Winters were very long wherehe lived.
I'm standing where the brook and the river meet.
He left the camera where it was.
Wherever he went, he took her with him.
Sleep wherever you like.
You can sit any where you like.
Everywhere I go, I find the same thing.
2.原因状语从句：原因状语从句多由because, as, since, seeing ( that ), considering that 等连词引起：
You only do it becauseyou have to.
As he had been up since 4 a.m., h e was very tired.
He can't come with us sincehesill.
Stay in bed longer today, seeing that you were late last night.
Considering he's only been learning English a year he speaks it very well.
Now that you have the chance you had better avail yourself of it.
下面这类句子中的从句也表示原因(关于这类句子可参阅练习 ) :
I'm glad that you are all safe.
I'm proud that you had the thought.
1. Cross the stream where it is shallowest.
2. Where I live there are plenty of sheep.
3. Please keep sitting where you are.
4. Where bees are, there is honey.
5. Where the money is, there is the power.
6. We'll go wherever you say.
1. Since it was sunday, he stayed longer in bed.
1. since it was Sunday
2. As you are sorry, I'll forgive you.
2. As you re sorry
3. He distrusted me because I was new.
3. because I was new
6. Now ( that ) you are well again, you can travel.
6. Now ( that ) you are well again