修饰形容词的状语从句通常由从属连词引导，用来表示时间、地点、原因、条件、目的、结果、让步、比较、方式等概念。这些从句可以放在被修饰的形容词之前或之后，具体位置取决于句子的结构和需要强调的程度。以下是一些常见的修饰形容词的状语从句类型及其连接词：

时间状语从句

连接词：when, while, as, before, after, as soon as, till, until, since, once, hardly...when, no sooner...

例句：I was reading a book when he came.

原因状语从句

连接词：because, since, as

例句：He is not here, because his mother is ill.

条件状语从句

连接词：if, unless

例句：If it rains, we will stay at home.

目的状语从句

连接词：in order that, so that

例句：They studied hard in order that they could pass the exam.

地点状语从句

连接词：where, wherever

例句：Go wherever you want.

结果状语从句

连接词：so that, so that, in order that

例句：He bought a car so that he could travel more easily.

让步状语从句

连接词：although, though, even though, however

例句：Although it was cold, we decided to go hiking.

比较状语从句

连接词：than, as...as

例句：She is taller than her sister.

方式状语从句

连接词：in which, by which, with which

例句：They traveled to Japan in a plane.

在构造这类句子时，需要注意从句的引导词和主句之间的关系，以及从句内部的语法结构，确保句子意思通顺且符合语法规则。