Unit 1 Period I 3.单元语法专项（作业课件）-【优翼·学练优】2026-2027学年九年级英语上册同步备课（外研版·新教材）

该初中英语课件聚焦九年级条件状语从句与原因状语从句，系统梳理定义、引导词、从句位置及时态等核心语法点，通过“定义解析—例句示范—位置辨析—时态归纳”的学习支架，帮助学生构建从基础理解到灵活运用的知识脉络。 其亮点在于深度融合新课标要求，通过学科融合题（如“温度低于0℃水结冰”）、文化人物题（如邓稼先事迹转换）及微语言语法短文填空，提升学生语言能力与思维品质。多样题型设计（填空、转换、语篇应用）助力语法巩固，既帮助学生强化综合运用能力，也为教师提供系统教学资源，提高课堂效率。

优翼 优翼 《学练优》·九年级英语·WY(通 用) 优翼 单元语法专项 1语法精讲10 定义 在复合句中，表示主句动作发生的前提条件的句子。 引导条件状语从句时意为“如果”。如：We will go on a trip if it is fine tomorrow. f 注意：if引导宾语从句时意为“是否”。如：Idon'tknow if she is at home. 意为“除非，如果不”，相当于if.not。如：Unless you hurry,you will miss the bus. =If you don't hurry,you will miss the bus. 引导词 unless 件状语 as long as意为“只要”，语气比if强。如：As long as we keep trying,.we will find a way to 拓展 solve the problem. 句 从句可位于主句前，也可位于主句后。若从句在前，则主从句之间须用 隔开。 I will come if I have time.=If I have time,I will come. 从句的位置 -e 主句为一般将来时，从句用一般现在时，即“ ”。如：You won'tfully experience the culture of a country unless you go there in person. 主句中含有情态动词，从句用一般现在时，即“主情从现”。如：You may be healthier 时态 if you have less sugar. 主句为祈析使句，从句用一般现在时，即“主祈从现”。如：Have a good rest if you are tired. 优 定义 在复合句中，表示主句动作发生的原因的句子。 意为“因为”，表示直接原因，从句常位于主句后（表示强调时也可放在主句前）。 因状语从句 Henry didn't come to school because he was ill. because 注意：because和so不能同时用在一个句子里。 意为“既然；由于；因为”，表示显然的理由，从句常位于主句前。如：Since itis 引导词 late,I shall go home right now. since s意为“由于；因为”，表示附带说明双方已知的原因，从句常位于主句前。如： As it is raining,you'd better take a taxi. 拓展 fo意为“由于；因为”，并不说明直接原因，只提供一些补充说明，从句只能放 在主句后且须用逗号隔开。如：I stayed at home,for it rained heavily. 优翼 1语法精练10 I.用括号内单词的正确形式填空。 1.Please wake me up if Susan come). 2.If Tom (get)up early,he can catch the bus. 3.Henry (not go)to the park unless he finished his homework. 优 4. 新课标学科融合 If the temperature (drop)below 0C,water freezes. 5.I don't know if it sunny tomorrow,If it sunny,I will go hiking.(be) 优 Ⅱ.按要求完成句子，词数不限。 1.If you don't learn cultural customs,you may nake mistakes.（改为同义句) You may make mistakes you learn cultural customs. 优 2。新课标榜样人物 Deng Jiaxian worked hard to make our country strong,so many teenagers look up to him.（改为同义句) Many teenagers look up to Deng Jiaxian he worked hard to make our country strong. 优翼 3.Panda Huahua is very cute.I like it.（改为复合 句) 4.You want to improve your English.Practise more.（改为复合句) 优 Ⅲ.微语篇练语法 阅读下面短文，从方框中选择单 词并用其正确形式填空。 since if unless because want see Today's teenagers have great qualities.1. we encourage them,they can achieve great things. For example,they care about the world deeply, and this is partly 2. they can learn more than ever.As long as we believe in them,we 3. their creativity.4.they are good at using technology they can solve problems in smart ways.We should support them if we 5.them to grow well.Life can be quite challenging,and they do feel stressed sometimes.That's why we won't really understand them 6.we listen to them.They are our future,so let's trust them and help them shine. 优翼 11课时精练10 I,从方框中选择单词并用其正确形式填空。 folk group disappear volunteer programme 1.As the sun rose,the fog gradually 2.We can learn a lot about traditional culture from arts, 3.David works as a in the nursing home on weekends. 优篷 4.The after-school study in our school has improved students'grades greatly. 5.新课标学习方法Working in is helpful because we can learn from each other, 优 正确形式。 Wu Zeyin,14,comes from Hubei,China.He 1.(move)to Botswana with his family at the age of four."I can see only a few kinds of fruits and vegetables at supermarkets here.They don't look good,but 2.(they )prices are high,”Wu said. Because of the desert climate in Botswana,it is 3.(true)difficult for farmers there to grow fruit and vegetables.Botswana has to buy lots of fruit and vegetables from other 4. (country）,such as South Africa.Botswana has been working with China to find a 5. (solve)to this problem.In July 2022,Botswana started a programme to grow China's water-saving rice.Knowing it,Wu wanted to help with 优翼 local agriculture(农业）in his way.“I dreamed of 6. (create）an app for local farmers,”Wu said, Wu has a good brain and he has 7. (make)his dream come true by developing a new app called Farm Assistant.The app can teach farmers how to grow vegetables such as 8. potato )onions,carrots and cabbages.With the app,farmers can click on a picture of a vegetable 9.(see its seed price,watering needs,selling price,etc.After the farmers plant the seeds,the app can remind them what they need to do at different times.Wu hopes his app can help make the farmers'work a lot 10.(easy)than before. What a useful app and what a smart boy! 优翼 声明 本文件著作权为创作公司所有，仅限于教师教 学及其他非商业性和非盈利性用途。如发现盗用、 转卖、网络传播等侵权行为，本公司将依法追究其 相应法律责任。 部分素材选自网络，如有争议，请联系删改。