状语是啥?He lives in London. 这里的状语是IN吗?再举几个带状语的例句...并注明里面的状语是哪个.

不是.是in London.
I go to school by bike.by bike 是方式状语
I was born in China.in China是地点状语
I was born in 1993.in 1993 是时间状语
I didn't go to school yesterday because I was ill.because I was ill 是原因状语从句
We plant trees to protect our environment.to protect our environment作目的状语 为了……
If it doesn't rain tomorrow,we will have a picnic.If it doesn't rain tomorrow是条件状语从句
Although it's raining,the farmers are still working in the field.Although it's raining 是让步状语从句.
当然,以上我列举的还不全,这些是比较常见的.你最好买本语法书看详细的.状语包括很多,还有伴随状语什么的.努力哦!

上这个网：http://baike.baidu.com/view/111834.html?wtp=tt

英语中,修饰动词、形容词、副词等的句子成分叫状语

状语：修饰动词、形容词、副词或整个句子用的；通常由副词、介词短语、动词不定式、分词或从句担任。例：he runs fast。（fast是）。至于你说的那个，应该不是。
注：其实，这些英语各种词的专业解释，英汉字典上都有，你去看看。

He lives in London. in London就是状语。介词+时间，地方的一般都是状语。

不是 in 是介词
状语应该是in London
E.G.
He was in that car.
in that car就是修饰这个人的位置，就是状语