(
课件网) 状语从句的省略 知识点1：什么是状语从句的省略？ - 定义：在特定条件下，状语从句中与主句重复的主语和谓语（多为be动词）可省略，使句子更简洁 - 原句：When he was walking in the park, he met a friend. - 省略后：When walking in the park, he met a friend. 省略的核心条件（1） - 条件1：主句和从句的主语必须一致 - 正确：While she was reading, she took notes. → While reading, she took notes. - 错误：While she was reading, her brother came in.（主语不一致，不可省略） 省略的核心条件（2） - 条件2：从句的谓语中必须包含be动词（am/is/are/was/were） - 正确：If it is necessary, we will help you. → If necessary, we will help you. - 错误：Because he worked hard, he succeeded.（谓语无be动词，不可省略） 常见可省略的状语从句类型（1）——— 时间状语从句 - 引导词：when, while, as（当……时） - 省略形式：引导词 + 现在分词/过去分词/形容词/介词短语 - 例句： - When (I was) waiting for the bus, I saw a car accident. - While (he was) in London, he learned English. 常见可省略的状语从句类型（2）——— 条件状语从句 - 引导词：if, unless - 省略形式：引导词 + 现在分词/过去分词/形容词/名词 - 例句： - If (it is) possible, I will visit you tomorrow. - Unless (you are) invited, don’t go to the party. 常见可省略的状语从句类型（3）——— 让步状语从句 - 引导词：though, although, even if, even though - 省略形式：引导词 + 现在分词/过去分词/形容词 - 例句： - Though (he was) tired, he kept working. - Even if (I am) busy, I will attend the meeting. 常见可省略的状语从句类型（4）——— 方式/比较状语从句 - 引导词：as（按照）, than（比） - 省略形式：保留核心词，省略重复部分 - 例句： - Do as (you are) told.（方式状语从句） - She is taller than (she was) before.（比较状语从句） 省略的具体形式（分情况） 1. 从句谓语为“be + 现在分词” → 省略“主语 + be”，保留“引导词 + 现在分词” - 例：While (they were) discussing the plan, they had an argument. 2. 从句谓语为“be + 过去分词” → 省略“主语 + be”，保留“引导词 + 过去分词” - 例：If (the bridge is) built, it will save time. 3. 从句谓语为“be + 形容词/介词短语” → 省略“主语 + be”，保留“引导词 + 形容词/介词短语” - 例：When (he is) ill, he stays at home. 注意事项（1）——— 主语不一致时不可省略 - 错误示例： - When crossing the street, a bike hit him.（省略后逻辑主语为“a bike”，与“crossing”的实际主语“he”不一致） - 正确表达： - When he was crossing the street, a bike hit him. 注意事项（2）——— 某些固定搭配的省略 - 常见固定省略结构： - if necessary（如果有必要） - if possible（如果可能） - when necessary（必要时） - though tired（尽管累） 1. While _____ (walk) in the forest, we saw a deer. 2. If _____ (accept) for the job, she will move to Beijing. 3. Though _____ (be) young, he knows a lot. 4. He didn’t speak until _____ (speak) to. 5. When _____ (be) in trouble, she always asks for help. 6. Unless _____ (invite), I won’t go to the party. 7. _____ (be) busy, she still found time to read. 8. Do as _____ (tell) and you’ll succeed. 9. While _____ (study) abroad, he made many frien ... ...
