九年级英语冀教版上册-Unit3-Unit-3-单元语法写作课件.pptx--（课件中不含音视频）

1、语法点集中攻坚模块要点大本营模块一法练写作Unit 3 Safety祈使句的构成、意义及运用祈使句的构成、意义及运用祈使句表示命令、请求、建议或劝告等等。通常省略主语，谓语动词用原形，句末用感叹号或句号，读降调。考点考点 1 1祈使句祈使句的结构的结构1.Do型(即：行为动词宾语其他)Stand up，please.请起立。考向一考向一肯定肯定祈使句祈使句的类型的类型语法点集中攻坚2.Be型(即：Be表语其他)Be quiet，please.请安静。3.Let型(即：Let宾语动词原形其他)Let me help you.让我帮助你。Please _ here earlier!We dont

2、want to miss the last bus to the library.A.arrive B to arrive C.arriving D.arrives【点拨点拨】please 开头的祈使句，后跟动词原形。开头的祈使句，后跟动词原形。典例典例A考向二考向二【重点重点】否定祈使句的类型。否定祈使句的类型。1.Dont动词原形 eg：Dont open the window.不要开窗户。Dont be late.别迟到。【点拨点拨】分析句子结构知，空格所在句为祈使句，分析句子结构知，空格所在句为祈使句，祈使句祈使句是用动词原形开头的，否定句用是用动词原形开头的，否定句用Dont。_ r

3、un in the hallways,Mike.Sorry,Ms.Clark.湘西A.Dont B.Please C.No典例典例A_tell a lie.A.Hardly B.NotC.No D.Never【点拨点拨】此题用此题用分析句子结构法分析句子结构法。由句意。由句意“不要撒不要撒谎。谎。”可知为否定祈使句。否定祈使句类型有：可知为否定祈使句。否定祈使句类型有：Dont动词原形；动词原形；No名词名词/动名词；动名词；Never动动词原形。只有词原形。只有D项符合用法。项符合用法。典例典例D2Never动词原形 eg：Never give up!千万不要放弃！3.No名词/动名词其他，

4、这种形式多用于公共场 合的提示语，意为“禁止”。eg：No smoking！禁止吸烟！No photos！禁止拍照！4Let引导的祈使句的否定形式是：Let宾语not 动词原形其他成分；也可在let前加Dont。Lets 开头的祈使句，必须在Lets 后加not。eg：Let him not play.Dont let him play.别让他玩。Lets not tell him about it.咱们别告诉他这件事。考点考点 2 2【难点难点】祈使句的相关句型转换祈使句的相关句型转换考向一考向一“Lets动词原形动词原形”结构，表示提建议，可结构，表示提建议，可与与“Shall we动词原

5、形动词原形”或或“Why not动动词原形词原形”相互转换。相互转换。eg：Lets go fishing.Shall we go fishing？Why not go fishing？都表示提议“我们去钓鱼吧”。考向二考向二“祈使句祈使句and/or简单句简单句”可以转换为含可以转换为含if引导的条件状语从句的复合句。引导的条件状语从句的复合句。eg：Hurry up，or you will be late.If you dont hurry up,you will be late.快点，否则你会迟到。Tell him the truth at once,or he will be angr

6、y.(改为主从复合句)_ _ dont tell him the truth atonce,he will be angry.天水【点拨点拨】“祈使句祈使句+and/or+陈述句陈述句”结构可转结构可转换为换为带有带有“ifnot”条件句的主从复合句。条件句的主从复合句。典例典例If youYou cant play the guitar in the classroom.(改为祈使句)新疆_ _ the guitar in the classroom.【点拨点拨】祈使句祈使句以动词原形开头，变否定句在前面以动词原形开头，变否定句在前面加加dont。典例典例Dont play一、一、用所给词的

7、适当形式填空用所给词的适当形式填空1Your mother is waiting for you._(not be)late.2_(look)out!The car is coming!3(宿迁)Dont_(drop)litter everywhere.Always keep our school clean.4_(give)me ten minutes and see what it will be like.5(中考滨州)_(not smoke)here，Rick.Smoking is not allowed in public places.6Lets_(not say)anything

8、 about it.Dont beLook dropGiveDont smokenot say【点拨点拨】固定句型法固定句型法。Please加动词原形开头为祈使句，加动词原形开头为祈使句，属固定句型。属固定句型。二、单项选择二、单项选择7(上海)Please _ your exam papers once again before handing them in.Agoing over Bwent over Cgo over Dto go overC【点拨点拨】考查祈使句的否定形式。由句子意思考查祈使句的否定形式。由句子意思“吉姆，当吉姆，当你在路上走着的时候不要看书。这很危险。你在路上走着的

9、时候不要看书。这很危险。”可知选可知选A。8(中考扬州)Jim,_ read books while you are walking in the street.Its very dangerous.OK,thank you.Adont Bdoesnt Cwont DcantA【点拨点拨】考查否定祈使句和动名词作主语的用法。句意为：考查否定祈使句和动名词作主语的用法。句意为：不要玩火。玩火是危险的。前一句否定祈使句用不要玩火。玩火是危险的。前一句否定祈使句用Dont动词原形构成，排除选项动词原形构成，排除选项B、D；后一句中有动词；后一句中有动词is，动名，动名词或动词不定式可放在句首充当句子

10、主语，所以可以用动词或动词不定式可放在句首充当句子主语，所以可以用动名词名词playing或不定式或不定式to play，故选，故选A。9(中考梅州)_play with fire._with fire is dangerous.ADont；Playing BNot；Playing CDont；Play DNot to；To playA【点拨点拨】考查祈使句的否定形式。运用考查祈使句的否定形式。运用前后照应法前后照应法来做。来做。这是一道陷阱题。看到这是一道陷阱题。看到worry，往往会不假思索地写出，往往会不假思索地写出Dont worry，但是稍微注意就会发现这里是，但是稍微注意就会发现这

11、里是worried，是，是形容词，所以不要忘记用形容词，所以不要忘记用be动词，故选动词，故选B。10(长春)_along the street,and you can find the hotel on your right，next to the market.AWalk BTo walk CWalks DWalking11_worried about me,Mom.Im 15 years old now.ADont BDont be CNot DNot beA B 12(中考黄石)Im leaving for Xisai Mountain this afternoon._you have

12、 packed everything.ATo be sure BBeen sure CBeing sure DBe sure 13(中考眉山)_swim alone in the river _？ANot；dont you BNot；do you CDont；will you DDont；shall we【点拨点拨】考查祈使句的反意疑问句。此类祈使句的否定句，考查祈使句的反意疑问句。此类祈使句的否定句，在动词原形前加在动词原形前加dont，反意疑问句用，反意疑问句用will you。故选。故选C。DC【点拨点拨】考查日常交际用语。考查日常交际用语。Excuse me意为意为“打扰了打扰了”；T

13、hats all right意为意为“没关系没关系”；Sorry意为意为“对不起对不起”；It doesnt matter意为意为“没关系没关系”。根据语境，故选。根据语境，故选C。14(中考徐州)Please dont throw paper on the ground._，I wont.AExcuse me BThats all right CSorry DIt doesnt matter C 15Lets go out for a walk，_？Ado we Bwill you Cshall we Dwont you【点拨点拨】考查考查Lets祈使句的反意疑问句。祈使句的反意疑问句。Le

14、ts后边的反意后边的反意疑问句，常用疑问句，常用shall we。但是以。但是以Let us开头的祈使句，反意开头的祈使句，反意疑问句一般用疑问句一般用will you。故选。故选C。C 返回模块要点大本营 People always think about s 1.But many s 2 accidents h 3 in peoples homes.People can prevent certain accidents.Many accidents happen because people are c 4.So be c 5.Here are some safety tips for

15、preventing accidents in the kitchen.Dont stand on chairs.Many people hurt t 6 by falling off chairs.afety erious areless arefulhemselves appenDont use water to put out kitchen fires.Use baking soda or s 7i 8.Be careful with k 9and scissors.Many people cut themselves in the kitchen.Be careful with fi

16、re and h 10 when you cook.You dont want to b 11 yourself.alt nstead eatnives urn返回模块一法练写作“三步分层法”写安全话题作文为增强安全意识，学校英语俱乐部将开展“如何提升自我保护能力”的讨论。请以“How to protect ourselves”为题，写一篇英语短文。内容必须包括以下要点：宿迁 1.尊敬师长，与同学友好相处；2.公共场所，举止文明，不追逐打闹；3.不乱交网友，不泄露个人信息；4.(自主发挥，至少两点)注意事项：1.词数：90 左右，标题与结尾已给出，不计入总词数；2.文中不得出现真实的地名、校名

17、、人名等信息。How to protect ourselves_Danger is never as far away as we think.Take good care of ourselves at all times!How to protect ourselves No matter who you are and what you do,safety is the most important.How to protect ourselves is especially important to us students.Firstly,we should respect the t

18、eachers and elders,and at the same time,we need to get on well with our classmates.Secondly,we should behave properly in public.Dont run after each other.Dont crowd into a small space especially when we go upstairs or downstairs.范文范文:Thirdly,we should be careful when we make friends,especially on th

19、e Internet.Dont let out our exact information to strangers.Last but not least,its important for us to eat more healthy food and obey the traffic rules.Danger is never as far away as we think.Take good care of ourselves at all times!本文使用“三步分层法”。第一部分：引出话题：说明学生安全的重要性。No matter who you are.；How to protect.等句式的运用，表达准确。第二部分：细节陈述：陈述应该如何做才是安全的。especially 的使用，突出了重点。Firstly.等的使用使短文条理清晰。when引导的时间状语从句的使用，使得文章结构多样化。名师点评：第三部分：结论启示：强调总结安全的重要性，提醒注意安全的意义。祈使句的使用引起人们对本文观点的重视。总评：本文用“三步分层法”写作。三步：一、引出话题。二、细节陈述。三、结论启示。返回