“是”和“BE”是汉、英两种语言中最常用的词素。它们用途众多且在各自句法的范畴似乎有着不少互相吻合的共同点,因此人们常把它们视为两种语言中的对等词汇而互为转译。其实,只要我们稍加分析就不难看出它们在句法功能上的异同所在而不致于望文生义妄自替代的。这里,我们拟对它们最常用的三种功能略为剖析比较,以就教于诸位读者。 “Yes” and “BE” are the most commonly used morphemes in Chinese and English. They have many purposes and seem to have many similarities in their respective syntactic categories. Therefore, they are often regarded as transliterations in the two languages. Actually, as long as we analyze a little, it is not hard to see that they are similar in function of syntax but not in Scripture. Here, we intend to analyze the three most commonly used functions of them in order to teach to you readers.