条件句(CONDITIONAL SENTENCE 简称 CONDITIONAL)在这里是指由“条件状语分句+主句”构成的复杂句。这种句式通常分为“真实条件句”和“非真实条件句”两大类,每一大类又各有其基本形式与变体形式。本文拟就主旬和从句中动词形式的互相搭配来阐述各类条件句的区别和意义。一、真实条件句真实条件句指句中所提条件在说话人看来有可能实现的条件句。这种 The conditional sentence (CONDITIONAL SENTENCE referred to as CONDITIONAL) here refers to a complex sentence composed of “conditional adverbial clause + main sentence”. Such sentence patterns are usually divided into two categories: “real conditional sentences” and “non-true conditional sentences”. Each major category has its own basic form and variant form. This article intends to elaborate the differences and meanings of various types of conditional sentences in terms of the collocation of the verb forms in the main tense and clauses. First, the real conditions of the actual conditions of the sentence conditions in the sentence refers to the condition of the speaker possible conditions. This kind