作者：whisper

链接：http://proprogrammar.com:443/article/213

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    状语从句的概述

    （一） 状语从句的含义

    （二） 状语从句的写法  

    When the United States built its industrial infrastructure, it didn't have the capital to do so.

    （三）状语从句的位置

    As the economy picks up, opportunities will abound for aspiring leaders. 句首

    Opportunities will abound for aspiring leaders, as the economy picks up. 句尾

    Opportunities, as the economy picks up, will abound for aspiring leaders. 句中

    状语从句的分类

    （一）时间状语从句

    when / while / as
    before / after since / until
    as soon as / by the time
    each time / every time
    the next time

    In 1995 the United States can look back on five years of solid growth while Japan has been struggling.

    As the brain fades, we refer to these occurrences as “senior moments.”

    Carter sifted through rubble in the Valley of the Kings for seven years before he located the tomb in 1922.

    Grammar, punctuation, and spelling can wait until you revise.

    As soon as that report runs, we'll suddenly get 500 new internet sign‐ups from Ukraine…

    （二）地点状语从句

    where

    Now, rivals will be charging sales tax where they hadn't before.

    （三）原因状语从句

    because
    since
    as
    now that

    Our legal system was designed to set law apart from politics precisely because they are so closely tied.

    Since desire and will are damaged by the presence of thoughts that do not accord with desire, Allen concluded: “We do not attract what we want, but what we are.”

    （四）结果状语从句

    so… that…
    such… that…
    so that…

    Indeed, homelessness has reached such proportions that local governments can’t possibly cope.

    We define such sold media as owned media whose traffic is so strong that other organizations place their content or e‐commerce engines within that environment.

    Transitions should connect one paragraph to the next so that there are no abrupt or confusing shifts. 

    （五）目的状语从句

    so that…
    in order that…

    In December 2010 America’s Federal Trade Commission (FTC) proposed adding a “do not track” (DNT) option to internet browsers, so that users could tell advertisers that they did not want to be followed.

    （六）条件状语从句

    if
    once
    as long as / so long as

    If connections can be bought, a basic premise of democratic society... is undermined.

    Once a discovery claim becomes public, the discoverer receives intellectual credit.

    If you see a conversation as a fight or competition, you can win by cheating as long as you don't get caught.

    （七）让步状语从句

    although / though
    even if / even though
    while
    however

    Although sadness also precedes tears, evidence suggests that emotions can flow from muscular responses.

    After all, it has an ad business too, which it says will comply with DNT requests, though it is still working out how.

    None of these will be easy but you can start even if others refuse to.

    （八）比较状语从句

    than
    as

    But phones run on batteries, and batteries can die faster than we realize.

    In the general population today, at this genetic, environmental level, we’ve pretty much gone as far as we can go, …

    （九）方式状语从句

    as
    as if

    During most of his walking life he will take his code for granted, as the businessman takes his ethics.

    Beethoven’s music tends to move from chaos to order as if order were an imperative of human existence.

    注意as

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