Unit 6 Crossing Cultures 语法讲解（英语新教材人教版八年级下册）

Unit 6 Crossing Cultures —— so...that ,unless ,as soon as语法详解 一、so ... that 的用法（如此……以至于……） 1. so + 形容词 + that 从句 用法：so 后面接形容词，引导结果状语从句，表示“如此……以至于……”。 例句： The story was so interesting that I read it twice.（这个故事如此有趣，以至于我读了两遍。） 练习题： ( ) 1. The box was ______ heavy that I couldn't carry it. A. so B. such C. very 2. so + 副词 + that 从句 用法：so 后面接副词，引导结果状语从句。 例句：He ran so fast that nobody could catch him.（他跑得如此快，以至于没人能追上他。） 练习题： ( ) 2. She sang ______ beautifully that everyone clapped. A. so B. such C. very 3. so...that 与 too...to 的转换 用法：当 that 从句为否定句时，可与 too...to 结构互换。 例句： The girl is so short that she can't reach the top. = The girl is too short to reach the top. 练习题： ( ) 3. The problem was so difficult that I couldn't solve it. (改为同义句) The problem was ______ difficult ______ me ______ solve. A. too; for; to B. so; for; to C. too; of; to 4. so...that 与 enough to 的转换 用法：当 that 从句为肯定句时，可与形容词/副词 + enough to 互换，但需要注意反义转换。 例句：· He is so strong that he can lift the box. = He is strong enough to lift the box. 练习题： ( ) 4. She is so clever that she can work out the problem. (改为同义句) She is ______ ______ to work out the problem. A. too clever B. clever enough C. so clever 5. such...that 的用法 用法：such 修饰名词，结构为 such + (a/an) + 形容词 + 名词 + that 从句。 例句：· Water is such an important substance that we cannot live without it.（水是如此重要的物质，以至于没有它我们无法生存。） 练习题： ( ) 5. It was ______ beautiful weather that we went to the beach. A. so B. such C. such a 6. so 与 such 的特殊用法（many/much/few/little） 用法：当名词前有 many, much, few, little（表示数量）时，要用 so，不用 such。 例句：· They bought so much beef that they couldn’t finish it.（他们买了如此多的牛肉，以至于吃不完。） 练习题： ( ) 6. There were ______ few tickets left that we couldn't get any. A. so B. such C. such a 二、unless 的用法（如果不；除非） 1. unless 引导条件状语从句 用法：unless 意为“除非；如果不”，引导条件状语从句。遵循“主将从现”原则（主句用将来时，从句用一般现在时）。 例句：· In Turkey, people don’t kiss one another unless they are good friends.（在土耳其，除非是好朋友，否则人们不会亲吻彼此。） 练习题： ( ) 7. You will miss the train ______ you hurry up. A. unless B. if C. because 2. unless 与 if...not 的转换 用法：unless 常可与 if...not 互换，但注意语气差异。 例句：· You will fail unless you work hard. = You will fail if you do not work hard. 练习题： ( ) 8. Unless it rains, we will go hiking. (改为同义句) ______ it ______ rain, we will go hiking. A. If; doesn't B. If; not C. If; won't 3.as long as 的用法 用法：as long as 意为“只要”，引导条件状语从句，也可与 unless 进行意义对比。 例句：· Everything is possible as long as you work hard.（只要你努力，一切皆有可能。）练习题： ( ) 9. You can succeed ______ you keep trying. A. unless B. as long as C. until 三、as soon as 的用法（一……就……） 1. as soon as 引导时间状语从句 用法：as soon as 意为“一……就……”，引导时间状语从句，强调两个动作紧接着发生。遵循“主将从现”原则。 例句：· In Japan, we bow as soon as we meet a teacher.（在日本，我们一见到老师就鞠躬。） 练习题： ( ) 10. I'll tell him the news ______ he comes back. A. as soon as B. unless C. while 2. as soon as 的位置与转换 用法：as soon as 从句可放在句首或句末，放在句首时用逗号隔开。可与 the moment 互换。 例句：· As soon as I arrived, it began to rain. = The moment I arrived, it began to rain.（我刚到，天就开始下雨了。） 练习题： ( ) 11. ______ she saw me, she ran away. A. As soon as B. Unless C. As long as 3. 主将从现原则在条件/时间状语从句中的应用 用法：在 unless, as soon as, if, when 等引导的状语从句中，若主句用将来时，从句用一般现在时。 例句：· We will go out if it is sunny tomorrow.（如果明天天气好，我们就出去。） · I will call you when I arrive.（我一到就给你打电话。） 练习题： ( ) 12. He will pass the exam ______ he studies hard. A. if B. unless C. as soon as 4、 易错点总结 so 与 such 的混淆 正确：so beautiful a girl / such a beautiful girl 错误：such beautiful a girl many/much/few/little 前用 so 正确：so many people 错误：such many people unless 与 if 的混淆 正确：unless you hurry = if you don't hurry 错误：unless you don't hurry 主将从现的遗漏 正确：I will call you as soon as I get home. 错误：I will call you as soon as I will get home. as soon as 与 as long as 混淆 as soon as（一……就……）表时间 as long as（只要）表条件 【综合练习】 一、单项选择 ( ) 1. The weather was ______ hot that we stayed indoors all day. A. so B. such C. too ( ) 2. You won't pass the exam ______ you work harder. A. as soon as B. unless C. if ( ) 3. I'll tell her the news ______ she arrives. A. unless B. as long as C. as soon as ( ) 4. There were ______ many people in the hall that we couldn't find a seat. A. so B. such C. such a ( ) 5. She is ______ clever that she can answer all the questions. A. so B. such C. too 二、用适当的词填空 so, such, unless, as soon as, as long as 1. The film was ______ boring that I fell asleep. 2. It was ______ a wonderful performance that everyone clapped. 3. You can stay here ______ you keep quiet. 4. ______ you promise to be careful, you can go out. 5. I'll call you ______ I get home. 三、句型转换 1. The box is so heavy that I can't lift it. (改为同义句) The box is ______ heavy ______ me ______ lift. 2. You will be late unless you leave now. (改为同义句) You will be late ______ you ______ leave now. 3. She is so young that she can't go to school. (改为同义句) She is ______ young ______ go to school. 4. We will go for a picnic if it doesn't rain tomorrow. (改为同义句) We will go for a picnic ______ it ______ tomorrow. 5. He got up so early that he caught the first bus. (改为同义句) He got up early ______ ______ catch the first bus. 四、完成句子 1. 这部电影如此有趣，以至于我想再看一遍。 The movie was ______ interesting ______ I want to see it again. 2. 除非你努力学习，否则你不会成功。 You won't succeed ______ you study hard. 3. 我一到家就给你打电话。 I'll call you ______ ______ ______ I get home. 4. 只要不下雨，我们就去公园。 We'll go to the park ______ ______ ______ it doesn't rain. 5. 这个问题太难了，我回答不了。 The question is ______ difficult for me ______ answer. 五、短文改错 下列句子中各有一处错误，请找出并改正。 1. The story was such interesting that I read it twice.___________________ 2. You will miss the bus unless you don't hurry up.___________________ 3. I will tell him the news as soon as he will come back.___________________ 4. There were such many people in the park that we couldn't walk.___________________ 5. She is enough old to drive a car.___________________ ( 1 ) 学科网（北京）股份有限公司 $ Unit 6 Crossing Cultures —— so...that ,unless ,as soon as语法详解 一、so ... that 的用法（如此……以至于……） 1. so + 形容词 + that 从句 用法：so 后面接形容词，引导结果状语从句，表示“如此……以至于……”。 例句： The story was so interesting that I read it twice.（这个故事如此有趣，以至于我读了两遍。） 练习题： ( ) 1. The box was ______ heavy that I couldn't carry it. A. so B. such C. very 【答案】A。考查so...that结构。heavy是形容词，前面用so，构成so...that。句意：箱子如此重，以至于我搬不动。 2. so + 副词 + that 从句 用法：so 后面接副词，引导结果状语从句。 例句：He ran so fast that nobody could catch him.（他跑得如此快，以至于没人能追上他。） 练习题： ( ) 2. She sang ______ beautifully that everyone clapped. A. so B. such C. very 【答案】A。考查so...that结构。beautifully是副词，前面用so。句意：她唱得如此动听，以至于大家都鼓掌了。 3. so...that 与 too...to 的转换 用法：当 that 从句为否定句时，可与 too...to 结构互换。 例句： The girl is so short that she can't reach the top. = The girl is too short to reach the top. 练习题： ( ) 3. The problem was so difficult that I couldn't solve it. (改为同义句) The problem was ______ difficult ______ me ______ solve. A. too; for; to B. so; for; to C. too; of; to 【答案】A。考查too...to结构。too + adj + for sb + to do。句意：这个问题太难了，我解决不了。 4. so...that 与 enough to 的转换 用法：当 that 从句为肯定句时，可与形容词/副词 + enough to 互换，但需要注意反义转换。 例句：· He is so strong that he can lift the box. = He is strong enough to lift the box. 练习题： ( ) 4. She is so clever that she can work out the problem. (改为同义句) She is ______ ______ to work out the problem. A. too clever B. clever enough C. so clever 【答案】B。考查enough to结构。clever enough to do意为“足够聪明去做”。句意：她足够聪明，能解出这道题。 5. such...that 的用法 用法：such 修饰名词，结构为 such + (a/an) + 形容词 + 名词 + that 从句。 例句：· Water is such an important substance that we cannot live without it.（水是如此重要的物质，以至于没有它我们无法生存。） 练习题： ( ) 5. It was ______ beautiful weather that we went to the beach. A. so B. such C. such a 【答案】B。考查such...that结构。weather是不可数名词，用such + 形容词 + 名词。句意：天气如此好，以至于我们去了海滩。 6. so 与 such 的特殊用法（many/much/few/little） 用法：当名词前有 many, much, few, little（表示数量）时，要用 so，不用 such。 例句：· They bought so much beef that they couldn’t finish it.（他们买了如此多的牛肉，以至于吃不完。） 练习题： ( ) 6. There were ______ few tickets left that we couldn't get any. A. so B. such C. such a 【答案】A。考查so...that结构。few表示数量少，用so修饰。句意：剩下的票如此之少，以至于我们一张也买不到。 二、unless 的用法（如果不；除非） 1. unless 引导条件状语从句 用法：unless 意为“除非；如果不”，引导条件状语从句。遵循“主将从现”原则（主句用将来时，从句用一般现在时）。 例句：· In Turkey, people don’t kiss one another unless they are good friends.（在土耳其，除非是好朋友，否则人们不会亲吻彼此。） 练习题： ( ) 7. You will miss the train ______ you hurry up. A. unless B. if C. because 【答案】A。考查unless引导条件状语从句。句意：除非你快点，否则你会错过火车。unless = if not。 2. unless 与 if...not 的转换 用法：unless 常可与 if...not 互换，但注意语气差异。 例句：· You will fail unless you work hard. = You will fail if you do not work hard. 练习题： ( ) 8. Unless it rains, we will go hiking. (改为同义句) ______ it ______ rain, we will go hiking. A. If; doesn't B. If; not C. If; won't 【答案】A。考查unless = if...not。主句将来时，从句用一般现在时。句意：如果不下雨，我们就去远足。 3.as long as 的用法 用法：as long as 意为“只要”，引导条件状语从句，也可与 unless 进行意义对比。 例句：· Everything is possible as long as you work hard.（只要你努力，一切皆有可能。）练习题： ( ) 9. You can succeed ______ you keep trying. A. unless B. as long as C. until 【答案】B。考查as long as引导条件状语从句。句意：只要你不懈努力，你就能成功。as long as表示“只要”。三、as soon as 的用法（一……就……） 1. as soon as 引导时间状语从句 用法：as soon as 意为“一……就……”，引导时间状语从句，强调两个动作紧接着发生。遵循“主将从现”原则。 例句：· In Japan, we bow as soon as we meet a teacher.（在日本，我们一见到老师就鞠躬。） 练习题： ( ) 10. I'll tell him the news ______ he comes back. A. as soon as B. unless C. while 【答案】A。考查as soon as引导时间状语从句。句意：他一回来我就告诉他这个消息。 2. as soon as 的位置与转换 用法：as soon as 从句可放在句首或句末，放在句首时用逗号隔开。可与 the moment 互换。 例句：· As soon as I arrived, it began to rain. = The moment I arrived, it began to rain.（我刚到，天就开始下雨了。） 练习题： ( ) 11. ______ she saw me, she ran away. A. As soon as B. Unless C. As long as 【答案】A。考查as soon as引导时间状语从句。句意：她一看见我就跑开了。强调动作紧接着发生。 3. 主将从现原则在条件/时间状语从句中的应用 用法：在 unless, as soon as, if, when 等引导的状语从句中，若主句用将来时，从句用一般现在时。 例句：· We will go out if it is sunny tomorrow.（如果明天天气好，我们就出去。） · I will call you when I arrive.（我一到就给你打电话。） 练习题： ( ) 12. He will pass the exam ______ he studies hard. A. if B. unless C. as soon as 【答案】A。考查条件状语从句的“主将从现”。句意：如果他努力学习，他就会通过考试。if 引导条件状语从句。 4、 易错点总结 so 与 such 的混淆 正确：so beautiful a girl / such a beautiful girl 错误：such beautiful a girl many/much/few/little 前用 so 正确：so many people 错误：such many people unless 与 if 的混淆 正确：unless you hurry = if you don't hurry 错误：unless you don't hurry 主将从现的遗漏 正确：I will call you as soon as I get home. 错误：I will call you as soon as I will get home. as soon as 与 as long as 混淆 as soon as（一……就……）表时间 as long as（只要）表条件 【综合练习】 一、单项选择 ( ) 1. The weather was ______ hot that we stayed indoors all day. A. so B. such C. too ( ) 2. You won't pass the exam ______ you work harder. A. as soon as B. unless C. if ( ) 3. I'll tell her the news ______ she arrives. A. unless B. as long as C. as soon as ( ) 4. There were ______ many people in the hall that we couldn't find a seat. A. so B. such C. such a ( ) 5. She is ______ clever that she can answer all the questions. A. so B. such C. too 【答案】1. A；2. B；3. C；4. A；5. A 【解析】1. A。考查so...that结构。hot是形容词，用so修饰。 2. B。考查unless引导条件状语从句。句意：除非你更努力，否则你不会通过考试。 3. C。考查as soon as引导时间状语从句。句意：她一到我就告诉她这个消息。 4. A。考查so修饰many。many people前用so。 5. A。考查so...that结构。clever是形容词，用so。 二、用适当的词填空 so, such, unless, as soon as, as long as 1. The film was ______ boring that I fell asleep. 2. It was ______ a wonderful performance that everyone clapped. 3. You can stay here ______ you keep quiet. 4. ______ you promise to be careful, you can go out. 5. I'll call you ______ I get home. 【答案】1. so；2. such；3. as long as；4. As long as；5. as soon as 三、句型转换 1. The box is so heavy that I can't lift it. (改为同义句) The box is ______ heavy ______ me ______ lift. 2. You will be late unless you leave now. (改为同义句) You will be late ______ you ______ leave now. 3. She is so young that she can't go to school. (改为同义句) She is ______ young ______ go to school. 4. We will go for a picnic if it doesn't rain tomorrow. (改为同义句) We will go for a picnic ______ it ______ tomorrow. 5. He got up so early that he caught the first bus. (改为同义句) He got up early ______ ______ catch the first bus. 【答案】1. too; for; 2. if; don't；3. too; to；4. unless; rains；5. enough to 四、完成句子 1. 这部电影如此有趣，以至于我想再看一遍。 The movie was ______ interesting ______ I want to see it again. 2. 除非你努力学习，否则你不会成功。 You won't succeed ______ you study hard. 3. 我一到家就给你打电话。 I'll call you ______ ______ ______ I get home. 4. 只要不下雨，我们就去公园。 We'll go to the park ______ ______ ______ it doesn't rain. 5. 这个问题太难了，我回答不了。 The question is ______ difficult for me ______ answer. 【答案】1. so; that；2. unless；3. as soon as；4. as long as；5. too; to 五、短文改错 下列句子中各有一处错误，请找出并改正。 1. The story was such interesting that I read it twice.___________________ 2. You will miss the bus unless you don't hurry up.___________________ 3. I will tell him the news as soon as he will come back.___________________ 4. There were such many people in the park that we couldn't walk.___________________ 5. She is enough old to drive a car.___________________ 【答案】1. such → so；2.去掉don't 或 unless → if；3. will come → comes；4. such → so；5. enough old → old enough ( 1 ) 学科网（北京）股份有限公司 $