逻辑词用法，希望对大家复习GRE阅读，掌握长难句有所帮助。接下来一起来看看今天网带给同学们的GRE备考内容：GRE阅读逻辑词之表充分条件和必要条件
以下是表示充分条件的逻辑词汇总：
逻辑词条词性例句
充分条件ifconj.If I work hard, I will get good grades.
充分条件as long asadv.As long as I work hard, I will get good grades.
充分条件provided thatadv.Provided that I work hard, I will get good grades.
充分条件限定性定语Those who work hard will get good grades.
充分条件have only toYou have only to work hard to get good grades.
以下是表示必要条件的逻辑词汇总：
逻辑词条词性例句
必要条件only ifconj.Only if you work hard can you get good grades.
必要条件only + prep.prep.Only with hard work can you get good grades.
必要条件withoutprep.Without hard work, you cannot get good grades.
必要条件unlessconj.Unless you work hard, you cannot get good grades.
必要条件untilconj.Until you work hard, you cannot get good grades.
必要条件not untilconj.It is not until you work hard can you get good grades.
以上为今天网带给同学们的GRE备考内容：表结果和表结论。预祝大家GRE考试取得好成绩！