英語句子成分－狀語講解 什么是狀語？
修飾動詞、形容詞、副詞或整個句子的詞、短語或從句（狀語從句），叫狀語。狀語在句中可以表示：時間、地點、目的、原因、結(jié)果、條件、讓步、程度、方式、比較、方向以及伴隨等情況。能擔任狀語的有：副詞、介詞短語、動詞不定式、名詞以及if,whether，when,while,as soon as,because , until ,before 等引導(dǎo)的狀語從句。例如：
1、副詞
He can play the guitar well. (程度)
Please read aloud!（方式）
I'm going to Beijing today.（時間）
It is raining hard.（方式）
Luckily, he didn't hurt himself.（方式）
We all went into the classroom excitedly.（方式）
Come in , please!（方向）
2 、介詞短語
He stayed at home.（地點）
Thank you for your help.（原因）
Ann run to the door quickly.（方向）
My teacher went into his office with a smile.（方式）
Lily is taller than her sister. (比較)
I'm going to the hospital .（地點）
I like to go to school by bus.（方式）
I have been to Mount Huang with my parents.（方式）
People kept in touch with their friends and relatives far away mainly by letter or telegram. (方式)
We shall leave for Shanghai tomorrow. （地點）
But in order to help support their family, they had to work for the bosses.
3、動詞不定式
The little boy is too young to look after himself.（結(jié)果）
I haven't got money enough to buy the new bike.（結(jié)果）
4、名詞
Wait a minute, please.（時間）
Come this way, please.（方向）
Come home earlier this evening.（時間）
Thanks a lot. (程度)
People's living conditions have improved a lot. (程度)
5、狀語從句
If it rains tomorrow, we will stay at home.（條件）
When we get there, we shall come to see you right away. （時間）
I'll not come to his party unless I get his invitation. （條件）
I can't go shopping in big stores unless I travel for a couple of hours.
I'll write an E-mail to you as soon as I get to America.（時間）
Jack stays in bed because he is ill today. （原因）
I got up early this morning so that I could catch up the train. (目的)
The movie is so interesting that I have seen it twice. （結(jié)果）
Life was so hard that people had no time or money to enjoy leisure activities. （結(jié)果）
Father came back while I was cooking the supper. （時間）
△在時間狀語從句和條件狀語從句中，不能使用任何形式的將來時（一般將來時或過去將來時）。當它們用于修飾時態(tài)為將來時的主句時，其本身則不能在時態(tài)上與主句保持一致，而用一般現(xiàn)在時來代替一般將來時，或用過去將來時來代替過去將來時。
△狀語在句子中的位置。