才) by the time(到…为止)依旧是连接词后加陈述语序。
举例：when当…的时候(一般情况下主句是将来时的时候，从句要用一般现在时。)
Mozart started writing music when he was four years old.
（2）原因状语从句：在一个句子中作原因状语的句子。
连接词：由连词because, since, as引导, 也可由for, now that 等词引导。
举例：I didn’t go to school yesterday because I was ill.
（3）条件状语从句：在一个句子中作条件状语的句子。
连接词：if如果, unless (=if not) 除非。(让步)
举例：If it doesn’t rain tomorrow, we will go hiking.
（4）目的、结果状语从句
目的状语从句是指在一个句子中充当目的状语的句子。 结果状语从句是指在一个句子中充当结果状语的句子
目的状语从句连接词so that, so…that , in order that 引导。
结果状语从句连接词 so…that, such…that, so much/many…that引导。
举例：so…that 如此…以至于
The scientist’s report was so instructive that we were all very excited.
（5）让步状语从句
让步状语从句是指在句子中作让步的状语的句子 连接词：though, although.，whether…or not 举例：Although he is rich, yet he is not happy. 3.no matter从句
结构：\matter +特殊疑问词疑问词+陈述语序\或\特殊疑问词+后缀ever+陈述语序\
如：No matter what happened, he would not mind. 注意：no matter 不能引导主语从句和宾语从句。
3. 定语从句
定语是指在句子中用来修饰名词、代词的成分。
如：I will give my teacher a bunch of beautiful flower.(中beautiful就是定语)
定语从句是指在一个句子中作定语的句子，定语从句要放在所修饰的词后 如：I have met the doctor who is in the No.1 hospital.
定语从句的连接词：
连接代词：who、which、whom、whose、that 连接副词：when、where、why
初中三年语法内容大汇总,总有你需要的!
