2.具体步骤
1）找主干：先读句干，快速查找出主、谓、宾。再看修饰语，抓住整句肢体结构。
2）剔从句：抓住分句的主，谓语和引导词等关键信息，以确认从句在主句中的成分。
3）辨分句：根据句中的关联词来确认各分句和分句之间的逻辑关系（并列、转折、递进、对比等），把各层分句的意思加以连贯就构成了长句的句意。如：
Also, it is not uncommon any more to find carpenters with college degrees and carpenters with a solid knowledge of mathematics, which would enable them to deal with more difficult house designs.
这个句子的主句是：it is not uncommon any more to find carpenters…形式主语to find后面有两个宾语：carpenters with college degrees和carpenters with a solid knowledge of mathematics, 这两个宾语都有一个with引起的后置定语： with college degrees和with a solid knowledge of mathematics，后者又被一个which引导的非限定性定语从句which would enable them to deal with more difficult house designs所修饰。
这样的长句，如果没有扎实的语言基本功，就很难在短时间内理出头绪。
3.常考句式
1）多重复合句：重点是以it为形式主语的复合句。例：
It is generally believed that teaching is as much an art as it is a science.
However, today, more and more consumers are choosing“green”and demanding that the products they buy could be safe for environment.
2）被动句。例：
If the plants are killed, or are prevented from light so that they cannot grow normally, the corals will die.
3）倒装句。例：
Present at the meeting were Professor Smith, professor Brown, Sir Hugh and many other celebrities.
4）双重否定→肯定。例：
Never does he fail to attend the evening school. （=He always attends the evening school.）
5）“否定+比较结构”表最高级意义。例：
I've never heard a more interesting story than the one you told me just now. （=The story you told me just now is most interesting.）
当然，在平时训练中应注意词汇量的扩充，并且善于分析根词和构词法。在语法复合句的复习上应系统的强化训练，不囿于传统的语法层面，要多阅读，拓宽视野，才能提高阅读能力。