英语作文拓展长句的三大方法：

    The most important factor因素 we have to take into consideration is sth./that…

    The most important thing I want to talk about is that…sth./ that…

    It is also of great importance to pay close attention to…that

    Besides what is mentioned above上诉的,it is necessary to think about…
   
    In addition to除…之外 what is talked about above, I want to tell you sth. about…

    1. 写引导词：包括起承转合例（让句子变得高端）

    起: in the first place首先, first and foremost首要的, to begin/start with

    承: second (ly),in the second place, furthermore而且,此外, moreover而且,此外, what’s more, in addition另外, besides

    转:but, however, on the contrary与此相反, in contrast/comparison相比之下, nonetheless虽然如此,但是; nevertheless尽管如此,然而;

    合: last but not least最后同样重要的，so, therefore,

    in conclusion最后，综上所述, to conclude最后, in a/one word, in general,

    例: for instance, for example, such as,

    When it comes to.... 说起…

    经典引导句型

    There is no doubt that/in saying that…

    There is no exaggeration夸张 in saying that…

    It is known to us all that,

    It is well-known that…

    It is apparent/obvious显然的 that…it is not hard to understand that…

    It is not too much to say that…

    It is commonly/widely/generally agreed that… (acknowledged公认的 that…/ believed that)

    2. 写插入语（让句子变得客观）

    that is to say

    to a certain extent在某种程度上，to some degree在一定程度上，to a larger degree在很大程度上

    for one reason or another因为某种原因, to put it in another way换言之

    directly or indirectly 直接或间接

    in other words 换句话说

    as a matter of fact 事实上

    例：English is, to a large degree, important.  be后

    Computer, directly or indirectly, influences our life.  行前

    Computer can, as a matter of fact, influence our life.  助行间

    例句：It is known to us all that, English is, to a large degree, very important due to that English is becoming a global/world language. /is becoming more and more (increasingly) popular

    There is no doubt in saying that computer, directly or indirectly, to a large degree, influences our life primarily owing to that (computer can make our work and study faster) computer can improve the efficiency of our work and study.

    It is hard to understand that doing part-time job can, to a large extent, broaden our horizon in that we can understand more about the society by knowing a lot of people.

    3. 写从句（让句子变得漫长）

    名词性定语从句:that, who

    时间状语从句:before, when, after, during

    地点状语从句:where)

    原因状语从句:because, because of that..

    primarily/mainly owing to that,

    partly/partially due to that,

    in that 例： I like you in that you are very kind.

    假设状语从句:if, on condition that… in case that…