2017中考英語副詞知識點:副詞的構(gòu)成

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副詞的構(gòu)成
    從形態(tài)上看,大多數(shù)副詞都是由"形容詞+后綴-ly"構(gòu)成的,例如:slowly, heavily, truly, terribly等。
    形容詞變副詞:
    ①.在形容詞詞尾直接加-ly。如:real-really; helpful-helpfully; careful-carefully; slow-slowly; quick-quickly; quiet-quietly
    ②.以輔音字母加y結(jié)尾的形容詞要變y為i,然后再加-ly。如:busy-busily; angry-angrily; easy-easily
    ③.某些以輔音字母加不發(fā)音的字母e結(jié)尾和以-ue結(jié)尾的形容詞要先去掉e,然后再加-y或-ly。如:terrible-terribly; true-truly; gentle-gently
    注意: friendly; motherly; lovely,weekly,lively等詞是形容詞而非副詞。
    ④.英語中還有少數(shù)與形容詞同形的副詞,例如:daily, early, fast, hard, high, long, near, straight, well等。請比較它們的詞義和用法:
    the high jump 跳高項目(形容詞) to jump high 跳得高(副詞)
    a fast car 行得快的汽車(形容詞)to drive fast 開快車(副詞)
    an early riser 早起的人(形容詞)to get up early 起得早(副詞)
    a straight line直線(形容詞)Go straight ahead. 一直朝前走。(副詞)