语境对于学习与研究英语表示将来时间的条件句是非常重要的。条件句与语境之间有着不同的关系，这些关系决定着条件句的语义和动词形式。本文根据语境对条件句是否具有制约作用将条件句分为语境条件句和非语境条件句，继而剖析了这两种条件句的语言特点及内部语义关系，然后在此基础之上指出了它们的句法特点及动词形式的使用规律。 Context is very important for learning and studying English conditional sentences that indicate future times. There are different relations between conditional sentences and contexts. These relations determine the semantic and verbal forms of conditional clauses. Based on whether context has a restrictive effect on conditional clauses, this paper divides conditional clauses into conditional clauses and non-conditional clauses, and then analyzes the linguistic features and internal semantic relations between the two conditional clauses. Based on this, we point out Their syntactic features and the law of the verb form.