英語語法基礎入門:as long as和so long as的用法

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    1.首先,as...as 是比較級,所以as long as 的意思是“像……一樣長”,否定結構是not so long as. 注意:long 既可以指“長度”,也可以指“時間”。例如:
    This line is four times as long as that one.
    這條線是那條線的四倍長。
    2 . 表示條件,意思是“只要”。例如:
    As long as you tell truth , I”ll try to help you .
    只要你說實話,我會盡力幫助你。
    You may take this book away so long as you return it on time .
    只要你準時把書還回來,你可以拿走它。
    3 . 表示原因,意思是“既然,由于,因為”。.例如:
    So long as the weather is changeable these days , we‘d better get in wheat in time .
    因為近日天氣可能變化,我們趕快收割麥子。
    So long as you are going to town tomorrow , you can do something for me .
    既然你明天到城里去,你可以為我做點事。
    4、用法注意事項
    在多數(shù)情況下,as long as / so long as 意思相同,兩者可以互換使用。但下列情況下,通常只用as long as.
    (1) 在表示時間“長達…之久”時,往往用as long as。例如:
    They all continued their regard for me as long as they lived.
    他們畢生都在關心著我.
    For almost as long as Juanita could remember, climbing the hill seemed as easy as breathing, and as natural.
    在胡安妮塔的記憶中,爬山就如同呼吸一樣簡單而自然。
    (2) 在表示“既然,因為” 的含義時,多用as long as。例如:
    As long as we‘ve driven this far, we might as well go on.
    我們既然已經(jīng)駛得這么遠了,就不妨繼續(xù)前進.
    As long as you are here, go on.
    你既然已經(jīng)來到這里了,就干吧.
    These stories reinforced the idea that all individuals, no matter how poor, were capable of becoming wealthy so / as long as they were hardworking.
    這些故事強化了一種思想,那就是,所有人,不管有多窮,只要勤勞,都能變富有。
    --It‘s said it‘s going to turn colder and freeze later on.
    聽說過些時候天氣要變冷,有冰凍.
    --As long as it doesn‘t spoil the weekend.
    只要不在周末就沒事。