| If I had been, | I would not have been able to get home for lunch. |
| If 从句(过去完成) | 主句 could/would/should/might + have done |
| 名词性从句 | 主语从句 | Lesson 43 |
|---|---|---|
| 宾语从句 | Lesson 26 | |
| 表语从句 | Lesson 29 | |
| 同位语从句 | Lesson 46 | |
| 形容词性(定语)从句 | 定语从句(非限定) | Lesson 36 |
| 定语从句(限定) | Lesson 28 |
含义:一个句子做状语(描述时间、原因、方式、结果...)对主句进行补充。
位置:围绕着主句展开,可放到句首、句中、句尾。
写法:主句 + 从属连词 + 完整的陈述句 状语从句的“从属连词”不做成分,只表示逻辑关系(原因、条件、让步...),状语从句的类型由“从属连词”决定!
| 副词性从句(状语从句) | 时间状语从句 * | when ; while ; since ; as ; before ; till ; until ; as soon as … |
|---|---|---|
| 地点状语从句 | where ; wherever | |
| 条件状语从句 * | if ; unless (= if not 除非) | |
| 目的状语从句 | so that … ; in order that | |
| 原因状语从句 * | beacause ; since ; as ; for … | |
| 结果状语从句 * | so/such … that … ; so that …(所以) | |
| 方式状语从句 | like ; as ; as if… | |
| 比较状语从句 | than ; as | |
| 让步状语从句 * | though ; although ; even though ; even if … |