英语同源副词的区别

　

在英语中,某些形容词词形同时也可作副词,但这些形容词还有加后缀-ly 副词的形式,因此这类词就有两种副词形式，它们在用法上有些可以互换，有些是有区别。

    一般地说，可以互换的这类词，形容词词形的副词表示比较具体的概念，经常用语口语中，不太正式；后缀-ly形式的副词，表示比较抽象的概念，有引申义，并有一定感情色彩，变副词比较级时，用此类副词，如修饰动词和分词，放在它们前面。

    1) cheap: often used instead of cheaply, esp. in casual conversation and with

    verbs like buy and sell

    Do you like this shirt? I bought it really cheaply.

    cheaply I can't sell you more cheaply.

    2) clean: completely, used with (1) verb forget (2) the proposition over,

    through (3) adv away out

    I ~ forget. The ball sailed ~ over the roof.

    The prisoner got ~ away. I am afraid I am clean out of food.

    cleanly: precisely in a clean manner, often used with v cut.

    He caught the ball ~ . The doctor cut ~ through the abdominal wall.

    3) clear: not touching

    Please stand clear of the gate.

    clearly: distinctly, obviously, similar to the meaning of clear

    I can't see ~ without my glasses.

    We ~need to think again.

    4) close: near

    Come close, I want to tell you something.

    closely: carefully, with great attention

    Study this ~ it's very important.

    5) dead: exactly completely, used in certain expressions

    ~ right, ~ sure, ` tired, ~ slow, ~ ahead, ~ drunk, ~ straight

    deadly: fatally

    He was ~ injured in the crash.

    6) direct: used instead of directly in talking about journeys and timetables

    The plane goes ~ from London to Houston.

    7) easy: used in certain expressions

    Take it easy. easy come, easy go.

    Easier said than done.

    easily I can do very easily.

    8) fair: used in the expression play ~, fight ~

    fairly: justly, honestly

    You must do it ~.