让步状语从句 让步状语从句 一、引导让步状语从句的从属连词 主要的有although, though, even though, even if等： Although he is poor, he’s still happy. 虽然他很穷，他仍然很快乐。 I wil...

时间状语从句 时间状语从句（Time clauses） 一、引导时间状语从句的从属连词 引导时间状语从句的从属连词很多，如较基本的有before, after, when, while, as, since, till, until, as soon as ...

连词的作用 连词是一种虚词，不能担任任何一个句子成分，但可以起连接的作用，即连接词与词或句与句，例如： We may be leaving today or tommorrow.我们可能今天或是明天走。（连接词与词） No...

引导时间状语从句的连词 这类连词主要有： when: Don\'t get excited when you talk.讲话时别激动。 When he got up he felt dizzy.他站起身时感到头晕。 When he comes I\'ll tell him about i...

引导条件状语从句的连词 条件状语从句主要由if,unless,supposing(suppose)引导： if: I must leave if that\'s the case. 如果情况如此我就得走了。 What would Diana think of him if he faile...

引导目的状语从句的连词 引导目的状语从句的连词主要有下面这些： in order that: He left early in order that his children would not be alone in the house. 他早早动身，以免孩子们单独待...

引导结果状语从句的连词 1）结果状语从句主要由so...that和such...that引导： so...that: He was so young that you must excuse him. 他那样年轻，你得原谅他。 Bill pitched so well that eve...

引导原因状语从句的连词 1）引导原因状语从句的连词主要有because, as, since: because: Because it was wet he took a taxi. 由于下雨他叫了一辆出租车。 He was worried because he hadn\'t h...

引导让步状语从句的连词 引导让步状语从句的连词主要有下面这些： although: Although(Though)everyone played well, we lost the game. 尽管每个人都打得不错，我们却输了比赛。 He said they ...

介词短语 介词不能单独担任一个成分，必须构成介词短语来担任一个成分。能和介词构成短语的有下面这些： 1）名词： Who\'s knocking at the door? 谁在敲门？ I put the calculator into my poc...