什么是状语从句？
状语就是在一句话中，表达该句的时间，地点，方式，原因，条件等的成分。 那么状语从句就是用一个从句，表示状语。
小升初考试需要掌握的状从：
一般可分为九大类，分别表示时间、条件、结果、目的、让步、地点、原因、比较和方式。
难点：
a.掌握连词
b.注意时态，特别是时间，条件状语从句中的主将从现，主从时态一致原则
（1）时间状语从句
连词：when，while ，as soon as , not…until ， before，after，since,etc.
注意：主将从现，主从时态一致
eg.：I will visit my good friend when I have time.
Someone knocked at the door when/while I was sleeping.
He didn't go to bed until he finished his homework.
（2）地点状语从句
连词:where, wherever, anywhere, everywhere,nowhere
You can go anywhere you like.
（3）条件状语从句
连词: if，unless除非, as/so long as只要,once一旦
eg.:If it doesn't rain tomorrow，we will go there by bike.
You'll fail in the exam unless you work harder.
（4）结果状语从句：
连词: so taht，so+adj./adv.+that, such+n.+that
eg.: She was so angry that she couldn't speak.
She worked hard so that everything got ready by 6 o'clock.
（5）目的状语从句
连词: so that，in order that
eg.: Please speak more slowly so that we can make full notes.
（6）让步状语从句
连词: although, though, as, even though/if, whether…or not, no matter+疑问词/疑问词-ever
（7）原因状语从句
连词:because, since/now that, as
语气的强弱：because，since次之，as最弱
（8）比较状语从句
连词:as…as, not as/so…as, …than
（9）方式状语从句
连词:as，as if/though好像
