英语的逻辑关系有多种，掌握这些逻辑关系有利于我们读懂英文文章，理清文章中的各种逻辑关系，也有助于我们掌握文章主旨大意，这对于我们做对阅读题目还是有很大帮助的。
1. 因果关系
常见标志：
because (of), cause, in that, for, as,since, due to, so, so that, hence, therefore, thereby, thus, as a result (of), result from, result in, accordingly, consequently, so...that, so...as to, lead to, derive from, reflect, present, on the basis of, be based on, portray(描写，描绘), imply, make, spring from, given, if...then, when...then, as long as, require, rely on, depend on, according to, by way of,considering, on account of, in view of.
例句：
Many illnesses result from lack of exercise.
Rainstorms caused amage every year.
The decline insales is due to several factors.
As a result, physicians may be reluctant to treat the mother aggressively at the time of initial diagnosis.
Throughout the trial, he portrayed himself as the victim.
2. 递进关系
常见标志：
even, indeed ..., not only ... but also,let alone, furthermore, then, also, besides, additionally, furthermore, in addition, what is more, indeed, even
例句：
He refused to give the document up, even under pressure.
Scientists must learn to communicate with the public, be willing to do so, and indeed consider it their duty to do so.
She not only finished the task ahead of time, but also came to help us.
3. 解释关系
特点：解释内容与被解释对象同义。
常见标志：
冒号 (:), 破折号 (—), 同位语, 定语从句，Be 动词
例句：
The idea that youcan do this work well without thinking is quite wrong.
（同位语从句用来解释说明 the idea）
There are 50 boys in my class, who can speak English very well.
（非限制性定语从句用来解释说明 50 boys）
4. 转折关系
特点：转折前项与转折后项语义相反。
注意：如果转折前后描述的是相同主体，则不可以是绝对意义的相反。
常见标志：
although, though, even though, but, as,however, despite, in spite of, nevertheless, nonetheless, while, regardless of,even if, even though, yet, and yet, in fact, on the contrary, by contrast, on the other hand, unfortunately, whereas, unlike, rather than, instead of, contrary to
例句：
The fields give high and stable yields regardless of climatic circumstances.
He still went home, despite the midnight.（尽管，仍然）
She carries her age very well, she looks 50 but in fact she's more than 60.
5. 对比关系
特点：对比的两部分语义相反。
常见标志：
in contrast, on the contrary, far from, on the other hand, rather than, instead of, not A but B, more A than B; shift fromA to B, decay from A to B, replace A with B, distinguish from A to B, A ispreferable to B
例句：
You pay your income tax going in, rather than going out.
This book is not mine, but hers.
They need to shift from farming to industry.
6. 比较关系
特点：比较的对象要有可比性。
常见标志：
比较级 + than (bigger than, more than …), as … as
例句：
That would be more than I have expected.
Lily was prettier than her sister.
He can speak English as well as she does.
7.并列关系
常见标志：
and，and also, or, neither...nor, either...or, likewise, similarly, equally, in the same way, as well as, the same...as
例句：
This is the same pen as I lost yesterday.
He lent money,made donations and encouraged others to do likewise.
I decide to deal with the problems in the same way as you do.
8.让步关系
常见标志：
although, though, even though, even if, nevertheless, despite, in spite of
例句：
Though this is the final day of this term, they still discipline themselves.
In spite of the heavy rain, they continued their work.
Even if you fail again, you should not give up.
9.列举关系
常见标志：
first-second-last of all, first-then, to begin with -to continue/ next on one hand-on the other hand, for one thing, for another thing, one…another, some…others, still others
例句：
You should work harder. For one thing, you have a poor basis; for another thing, most students make more efforts than before.
10.举例关系
常见标志：
such as, for example, for instance, of these /those /them, to illustrate, as an illustration, more specifically speaking, namely
例句：
For example, nowadays some people begin to choose a city to live in.
We need to concentrate on our target audience, namely women aged between 20 and 30.
11.总结关系
常见标志：
in brief, in short, in a word, in general, in conclusion, altogether, to sum up, to summarize, to conclude, to generalize, to put it in one word, above all
例句：
In conclusion, walking is a cheap, safe, enjoyable and readily available form of exercise.