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冀教版八年级下册Unit 1单元语法知识梳理与练习
一：单元语法知识梳理 (Unit 1 Spring is coming!)
一、状语从句 (Adverbial Clauses) 之时间状语从句
【规则变化】 状语从句在复合句中作状语，修饰主句中的动词、形容词或副词。本单元重点学习由 when, while, as soon as, until, before, after 等引导的时间状语从句。
【注意】
1. when / while：when 引导的从句动词可以是延续性或短暂性的；而 while 引导的从句动词必须是延续性的，常用于过去进行时。
2. not... until...：意为“直到……才……”，表示主句动作直到 until 所表示的时间才发生。主句常为否定句，谓语多为短暂性动词。
【例句】 When spring comes, everything comes back to life. 当春天来临时，万物复苏。
He was taking a walk while his sister was drawing a picture. 他在散步，而他妹妹在画画。
I didn't realize spring had arrived until I saw the flowers. 直到看到花开，我才意识到春天来了。
二、状语从句的“主将从现”原则
【规则变化】
在时间状语从句 (如 when, as soon as, until 等) 和条件状语从句 (如 if, unless 等) 中，如果主句和从句表示的都是将来的动作，主句要用一般将来时 (will + 动词原形)，从句要用一般现在时表将来。这被称为“主将从现”。
【易错点】 如果主句不是一般将来时，而是祈使句或含有情态动词 (can, must, should 等) 的句子，从句同样要用一般现在时。
【例句】 If it is fine tomorrow, we will go boating. 如果明天天气好，我们将去划船。（主将从现）
I will call you as soon as I get to Kunming. 我一到昆明就给你打电话。（主将从现）
Don't leave the room before you finish your homework. 完成作业前不要离开房间。（主祈从现）
三、原因与让步状语从句及本单元核心短语
【规则变化】
1. 原因状语从句：由 because (因为), since (既然), as (由于) 引导。
2. 让步状语从句：由 although / though (虽然，尽管) 引导。
【注意】在英语中，because 与 so 不能连用；although/though 与 but 不能连用。
【本单元核心短语】
wake... up 叫醒；唤醒
come back to life 复苏；重获新生
in the air 可感觉到；在传播中
neither... nor... 既不……也不…… (遵循就近原则)
hundreds of 数以百计的；许多 (注意前面不能加具体数字，且必加s和of)
take a walk 散步
go boating 去划船
【例句】 Although it's still a little cold, spring is in the air. 尽管还有点冷，但已经能感觉到春天的气息了。
In Kunming, the weather is neither too hot nor too cold. 在昆明，天气既不太热也不太冷。
二：单元语法知识练习
I. 单项选择（10道）
1. ________ spring comes, everything comes back to life.
A. Where
B. When
C. What
D. Why
2. We will go boating if it ________ fine tomorrow.
A. will be
B. is
C. was
D. be
3. The weather in the Spring City is ________ too hot ________ too cold.
A. either; or
B. both; and
C. neither; nor
D. not only; but also
4. Jeremy won't go to bed ________ he finishes his observation diary.
A. until
B. after
C. since
D. because
5. Every year, ________ tourists visit the scenic spots in Kunming.
A. two hundreds
B. hundred of
C. hundreds of
D. two hundreds of
6. He was reading a book about spring ________ his brother was drawing a picture.
A. what
B. while
C. before
D. as soon as
7. The winter is gone and spring is coming. You can feel it ________ the air.
A. on
B. in
C. at
D. to
8. It's time to get up. Please wake me ________ at 6:00 tomorrow morning.
A. up
B. on
C. off
D. down
9. ________ he was very tired after planting trees, he felt very happy.
A. Because
B. If
C. Until
D. Although
10. It's getting warmer. Let's ________ a walk in the park after dinner.
A. to take
B. take
C. taking
D. took
II. 语法填空（3篇）
Passage 1
Spring is coming! We can feel it in the 11. ________ (air). The weather is getting warmer and everything is coming back 12. ________ life. When the spring wind blows, it wakes 13. ________ the sleeping animals. Last weekend, my parents and I took a walk in the park. While we 14. ________ (walk), we saw many welcoming-spring flowers. They looked so beautiful. "If it 15. ________ (not rain) tomorrow, let's go to plant trees," my father said. I was so excited that I couldn't sleep well. Next morning, as soon as the sun 16. ________ (rise), we went to the countryside. We worked hard and didn't rest 17. ________ we finished planting the trees. 18. ________ (although) the work was hard, we felt proud of 19. ________ (we). We won't stop protecting nature 20. ________ we make our city greener.
Passage 2
Jeremy wrote an observation diary yesterday. He noticed that the ice had melted 21. ________ the weather got warmer. He also saw some little bugs 22. ________ (play) in the grass. He watched them carefully 23. ________ his mother called him for dinner. He told his mother what he saw. His mother smiled and said, "Many animals wake up 24. ________ their long winter sleep when spring 25. ________ (come)." Jeremy decided to keep a diary every day. He believes that if he 26. ________ (observe) nature carefully, he 27. ________ (learn) a lot. He thinks that nature is 28. ________ (amaze). He wants to protect the plants 29. ________ animals. He won't give up his hobby 30. ________ he becomes a great scientist.
Passage 3
Kunming is a beautiful city. It is 31. ________ (call) the Spring City. The weather there is 32. ________ too hot 33. ________ too cold all year round. Every year, 34. ________ (hundred) of tourists visit Kunming to enjoy the scenery. When they 35. ________ (arrive) in Kunming, they are always surprised by the colorful flowers. Many people like to go 36. ________ (boat) on Dianchi Lake. While they are boating, they can see many seagulls. People often feed them 37. ________ bread. If you 38. ________ (visit) Kunming, you will fall in love with it. You'd better take a camera with you so that you can take many beautiful 39. ________ (photo). Don't leave 40. ________ you try the local food—Crossing-the-bridge Noodles!
【参考答案与解析】
I. 单项选择
1.【答案】B
【解析】句意：当春天来临时，万物复苏。考查时间状语从句。根据句意可知，主从句表示时间关系，“当……时候”用 When 引导。故选B。
2.【答案】B
【解析】句意：如果明天天气好，我们将去划船。考查条件状语从句中的“主将从现”。if引导条件状语从句，主句用一般将来时(will go)，从句用一般现在时(is)表示将来。故选B。
3.【答案】C
【解析】句意：春城的天气既不太热也不太冷。考查本单元核心词组。neither... nor... 意为“既不……也不……”，符合昆明四季如春的气候特征。故选C。
4.【答案】A
【解析】句意：杰里米直到写完观察日记才会上床睡觉。考查时间状语从句。not... until... 为固定搭配，意为“直到……才……”。故选A。
5.【答案】C
【解析】句意：每年，数以百计的游客来昆明的景点游玩。考查数词表达。表示“数以百计的/许多”，用 hundreds of，前面不能加具体数字。故选C。
6.【答案】B
【解析】句意：他在读一本关于春天的书，而他弟弟在画画。考查时间状语从句。前后两句都是过去进行时，表示两个延续性动作同时进行，应用 while 引导。故选B。
7.【答案】B
【解析】句意：冬天过去了，春天正在到来。你能在空气中感觉到它。考查核心短语。in the air 意为“可感觉到；在传播中”。故选B。
8.【答案】A
【解析】句意：该起床了。请明天早上6点叫醒我。考查动词短语。wake up 意为“叫醒；唤醒”，代词作宾语须放在中间 (wake me up)。故选A。
9.【答案】D
【解析】句意：尽管种树后他很累，但他感到很开心。考查让步状语从句。“很累”和“开心”构成逻辑上的转折关系，用 although (虽然，尽管) 引导。故选D。
10.【答案】B
【解析】句意：天气变暖了。晚饭后我们去公园散步吧。考查固定搭配。Let's 后接动词原形，take a walk 意为“散步”。故选B。
II. 语法填空
Passage 1 答案及解析：
11. air。in the air 是课本核心短语，意为“可感觉到，在空气中”。
12. to。come back to life 是固定短语，意为“复苏；重获新生”。
13. up。wake up 意为“唤醒”，wake 动词后加副词 up。
14. were walking。由 While 引导的从句常用过去进行时，表示主句动作发生时，从句动作正在进行。
15. doesn't rain。If 引导的条件状语从句，遵循“主将从现”或“主祈从现”的原则，主句是 Let's...，从句用一般现在时。
16. rose。as soon as 引导的时间状语从句，描述过去的事情，用一般过去时。rise 的过去式是 rose。
17. until。not... until... 结构，意为“直到……才……”，我们一直没有休息，直到种完树。
18. Although / Though。引导让步状语从句，意为“虽然工作很辛苦”，句首需大写。
19. ourselves。be proud of oneself 意为“为自己感到骄傲”，主语是 we，故用 ourselves。
20. until。再次考查 not... until... 句型，表示“直到我们把城市变得更绿，我们才停止保护自然”。而且符合“主将从现”。
Passage 2 答案及解析：
21. because / as / when。冰融化是因为天气变暖了。填 because 表示原因，或 when/as 表示时间均可。
22. playing。see sb. doing sth. 意为“看到某人正在做某事”，强调动作正在进行。
23. until。他一直仔细观察它们，“直到”妈妈叫他吃晚饭。
24. from。wake up from... 意为“从……中醒来”。
es。when 引导的时间状语从句，陈述客观规律，用一般现在时，spring为第三人称单数。
26. observes。if 引导的条件状语从句，主将从现，从句用一般现在时。
27. will learn。条件状语从句的主句，用一般将来时 will learn。
28. amazing。修饰物 (nature) 用 -ing 结尾的形容词 amazing (令人惊叹的)。
29. and。连接 plants 和 animals 两个并列成分，用 and。
30. until。not give up... until... 直到成为伟大的科学家才放弃（即绝不放弃）。
Passage 3 答案及解析：
31. called。被动语态 be called (被叫做)。
32. neither。neither... nor... 既不……也不……，本单元核心词组。
33. nor。搭配 neither 使用。
34. hundreds。hundreds of 意为“数以百计的；许多的”。
35. arrive。when 引导时间状语从句，描述经常发生的动作，主语 they 对应动词原形。
36. boating。go boating 意为“去划船”，固定搭配。
37. with。feed... with... 意为“用……喂养……”。
38. visit。If 引导的条件状语从句，主将从现，用动词原形 visit。
39. photos。many 后接可数名词复数 photos。
40. before / until。在你品尝当地美食（过桥米线）“之前”或“直到”品尝后，才离开。冀教版八年级下册Unit 1单元语法知识梳理与练习
一：单元语法知识梳理 (Unit 1 Spring is coming!)
一、状语从句 (Adverbial Clauses) 之时间状语从句
【规则变化】 状语从句在复合句中作状语，修饰主句中的动词、形容词或副词。本单元重点学习由 when, while, as soon as, until, before, after 等引导的时间状语从句。
【注意】
1. when / while：when 引导的从句动词可以是延续性或短暂性的；而 while 引导的从句动词必须是延续性的，常用于过去进行时。
2. not... until...：意为“直到……才……”，表示主句动作直到 until 所表示的时间才发生。主句常为否定句，谓语多为短暂性动词。
【例句】 When spring comes, everything comes back to life. 当春天来临时，万物复苏。
He was taking a walk while his sister was drawing a picture. 他在散步，而他妹妹在画画。
I didn't realize spring had arrived until I saw the flowers. 直到看到花开，我才意识到春天来了。
二、状语从句的“主将从现”原则
【规则变化】
在时间状语从句 (如 when, as soon as, until 等) 和条件状语从句 (如 if, unless 等) 中，如果主句和从句表示的都是将来的动作，主句要用一般将来时 (will + 动词原形)，从句要用一般现在时表将来。这被称为“主将从现”。
【易错点】 如果主句不是一般将来时，而是祈使句或含有情态动词 (can, must, should 等) 的句子，从句同样要用一般现在时。
【例句】 If it is fine tomorrow, we will go boating. 如果明天天气好，我们将去划船。（主将从现）
I will call you as soon as I get to Kunming. 我一到昆明就给你打电话。（主将从现）
Don't leave the room before you finish your homework. 完成作业前不要离开房间。（主祈从现）
三、原因与让步状语从句及本单元核心短语
【规则变化】
1. 原因状语从句：由 because (因为), since (既然), as (由于) 引导。
2. 让步状语从句：由 although / though (虽然，尽管) 引导。
【注意】在英语中，because 与 so 不能连用；although/though 与 but 不能连用。
【本单元核心短语】
wake... up 叫醒；唤醒
come back to life 复苏；重获新生
in the air 可感觉到；在传播中
neither... nor... 既不……也不…… (遵循就近原则)
hundreds of 数以百计的；许多 (注意前面不能加具体数字，且必加s和of)
take a walk 散步
go boating 去划船
【例句】 Although it's still a little cold, spring is in the air. 尽管还有点冷，但已经能感觉到春天的气息了。
In Kunming, the weather is neither too hot nor too cold. 在昆明，天气既不太热也不太冷。
二：单元语法知识练习
I. 单项选择（10道）
1. ________ spring comes, everything comes back to life.
A. Where
B. When
C. What
D. Why
2. We will go boating if it ________ fine tomorrow.
A. will be
B. is
C. was
D. be
3. The weather in the Spring City is ________ too hot ________ too cold.
A. either; or
B. both; and
C. neither; nor
D. not only; but also
4. Jeremy won't go to bed ________ he finishes his observation diary.
A. until
B. after
C. since
D. because
5. Every year, ________ tourists visit the scenic spots in Kunming.
A. two hundreds
B. hundred of
C. hundreds of
D. two hundreds of
6. He was reading a book about spring ________ his brother was drawing a picture.
A. what
B. while
C. before
D. as soon as
7. The winter is gone and spring is coming. You can feel it ________ the air.
A. on
B. in
C. at
D. to
8. It's time to get up. Please wake me ________ at 6:00 tomorrow morning.
A. up
B. on
C. off
D. down
9. ________ he was very tired after planting trees, he felt very happy.
A. Because
B. If
C. Until
D. Although
10. It's getting warmer. Let's ________ a walk in the park after dinner.
A. to take
B. take
C. taking
D. took
II. 语法填空（3篇）
Passage 1
Spring is coming! We can feel it in the 11. ________ (air). The weather is getting warmer and everything is coming back 12. ________ life. When the spring wind blows, it wakes 13. ________ the sleeping animals. Last weekend, my parents and I took a walk in the park. While we 14. ________ (walk), we saw many welcoming-spring flowers. They looked so beautiful. "If it 15. ________ (not rain) tomorrow, let's go to plant trees," my father said. I was so excited that I couldn't sleep well. Next morning, as soon as the sun 16. ________ (rise), we went to the countryside. We worked hard and didn't rest 17. ________ we finished planting the trees. 18. ________ (although) the work was hard, we felt proud of 19. ________ (we). We won't stop protecting nature 20. ________ we make our city greener.
Passage 2
Jeremy wrote an observation diary yesterday. He noticed that the ice had melted 21. ________ the weather got warmer. He also saw some little bugs 22. ________ (play) in the grass. He watched them carefully 23. ________ his mother called him for dinner. He told his mother what he saw. His mother smiled and said, "Many animals wake up 24. ________ their long winter sleep when spring 25. ________ (come)." Jeremy decided to keep a diary every day. He believes that if he 26. ________ (observe) nature carefully, he 27. ________ (learn) a lot. He thinks that nature is 28. ________ (amaze). He wants to protect the plants 29. ________ animals. He won't give up his hobby 30. ________ he becomes a great scientist.
Passage 3
Kunming is a beautiful city. It is 31. ________ (call) the Spring City. The weather there is 32. ________ too hot 33. ________ too cold all year round. Every year, 34. ________ (hundred) of tourists visit Kunming to enjoy the scenery. When they 35. ________ (arrive) in Kunming, they are always surprised by the colorful flowers. Many people like to go 36. ________ (boat) on Dianchi Lake. While they are boating, they can see many seagulls. People often feed them 37. ________ bread. If you 38. ________ (visit) Kunming, you will fall in love with it. You'd better take a camera with you so that you can take many beautiful 39. ________ (photo). Don't leave 40. ________ you try the local food—Crossing-the-bridge Noodles!

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