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Unit 6 Rain or Shine
语法专题（一般现在时表天气/现在进行时/天气类词汇）
一、核心语法 —— 知识点精讲（学生必背）
1. 一般现在时表天气（核心必考）
用法：表示经常性、习惯性的天气状况，或某地常年的天气特点，贴合本单元“天气”主题（描述不同地方、不同季节的天气）。
标志词：usually, often, always, sometimes, every year, in spring/summer
结构：
肯定：It + is + 天气类形容词 + (in + 地点). / It + 天气类动词 + (in + 地点).
否定：It + is not (isn’t) + 天气类形容词 + (in + 地点).
疑问：Is it + 天气类形容词 + (in + 地点) （回答：Yes, it is. / No, it isn’t.）
核心天气词汇（必考）：
形容词：sunny（晴朗的）, rainy（下雨的）, cloudy（多云的）, windy（有风的）, snowy（下雪的）
动词：rain（下雨）, snow（下雪）, wind（刮风）
例句（贴合单元话题）：
① It is sunny in Beijing every summer.（肯定句：北京每年夏天都是晴朗的。）
② It isn’t rainy in winter here.（否定句：这里冬天不下雨。）
③ —Is it cloudy today —Yes, it is.（疑问句及回答：今天多云吗？是的，多云。）
2. 现在进行时表正在发生的天气/动作（重点必考）
用法：表示此时此刻正在发生的天气变化，或正在进行的与天气相关的动作，贴合本单元“天气与活动”场景。
标志词：now, right now, Look!, Listen!, It’s raining now.
结构：
肯定：It + is + 天气类动词-ing + (now). / 主语 + am/is/are + 动词-ing + 其他.
否定：It + is not (isn’t) + 天气类动词-ing + (now). / 主语 + am/is/are + not + 动词-ing + 其他.
疑问：Is it + 天气类动词-ing + (now) / Am/Is/Are + 主语 + 动词-ing + 其他
天气类动词-ing变化规则（贴合本单元词汇）：
1. 一般 + ing：rain → raining, wind → winding
2. 双写 + ing：snow → snowing（ow结尾，直接加ing，无需双写）
例句（贴合单元话题）：
① It is raining now.（肯定句：现在正在下雨。）
② They are playing football because it isn’t windy.（否定句：因为不刮风，他们正在踢足球。）
③ —Is it snowing outside —No, it isn’t.（疑问句及回答：外面正在下雪吗？不，没有。）
3. 天气相关常用句型（易错重点）
用法：用于询问、描述天气，以及根据天气表达活动安排，是本单元必考句型，贴合日常交流场景。
常用句型（必考）：
1. —What’s the weather like today —It’s sunny/rainy/cloudy.（询问今天天气）
2. —How’s the weather in Shanghai —It’s windy.（询问某地天气）
3. It’s raining, so I can’t go out.（根据天气表达情况）
4. We are having a good time because the weather is fine.（结合现在进行时表达活动）
4. 助动词选择（贴合本单元语法）
描述天气（it作主语）：it → is
主语为I → am；主语为he/she/it/单数 → is；主语为we/you/they/复数 → are
二、核心语法 —— 专项练习题（基础 + 提高）
一、用所给动词的正确形式填空
1. It __________ (be) sunny today. Let’s go to the park.
2. Listen! It __________ (rain) outside. Don’t go out.
3. It usually __________ (snow) in Harbin in winter.
4. —What __________ the weather __________ (be) like now —It’s cloudy.
5. They __________ (play) basketball because it isn’t windy.
6. It __________ (not be) rainy today. We can go for a walk.
7. My mother __________ (wash) clothes now. It’s sunny.
8. —Is it __________ (snow) outside —Yes, it is.
9. It often __________ (wind) in spring here.
10. I __________ (read) a book at home because it’s raining now.
二、单项选择( ) 1. —What’s the weather like today —It __________ sunny.
A. am B. is C. are
( ) 2. Look! It __________ outside. We can’t go swimming.
A. rain B. is raining C. raining
( ) 3. It usually __________ in summer in my hometown.
A. rain B. rains C. is raining
( ) 4. —Is it cloudy today —No, it __________.
A. isn’t B. can’t C. doesn’t
( ) 5. They __________ a picnic because the weather is fine.
A. have B. has C. are having
( ) 6. —How’s the weather in Guangzhou —It __________ windy.
A. is B. are C. be
( ) 7. It __________ snowing now. Let’s make a snowman.
A. is B. are C. am
( ) 8. My father __________ TV now. It’s raining outside.
A. watch B. watches C. is watching
( ) 9. It __________ not rainy today. Let’s play football.
A. is B. are C. do
( ) 10. —What __________ you doing now —I’m reading a book.
A. am B. is C. are
三、句型转换
1. It is sunny today.（否定句）It __________ __________ sunny today.
2. It is raining now.（一般疑问句）__________ it __________ now
3. They are playing football.（对划线提问）__________ __________ they doing
4. It usually snows in winter.（否定句）It __________ usually __________ in winter.
5. Is it cloudy today （肯定回答）Yes, __________ __________.
6. The weather is windy.（对划线提问）__________ __________ the weather like
7. I am reading a book now.（否定句）I __________ __________ reading a book now.
8. It is snowing outside.（改为同义句）It __________ __________ outside.
四、用 am /is/are, 动词原形/动词-ing 填空
1. It __________ (be) cloudy today. We can’t see the sun.
2. Listen! It __________ (rain) outside. Take an umbrella.
3. He __________ (play) basketball now. The weather is fine.
4. It usually __________ (snow) in winter in Beijing.
5. We __________ (not be) playing outside because it’s raining.
6. —__________ it windy today —Yes, it is.
7. My sister __________ (read) a book at home now. It’s rainy.
参考答案
一、用所给词的适当形式填空
1. is 2. is raining 3. snows 4. is; be 5. are playing 6. isn’t 7. is washing 8. snowing 9. winds 10. am reading
二、单项选择
1.B 2.B 3.B 4.A 5.C 6.A 7.A 8.C 9.A 10.C
三、句型转换
1. is not 2. Is; raining 3. What are 4. doesn’t; snow 5. it is 6. What is 7. am not 8. is snowing
四、用 am /is/are, 动词原形/动词-ing 填空
1. is 2. is raining 3. is playing 4. snows 5. aren’t 6. Is 7. is reading

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