Unit2 Out of this world Grammar and usage （ppt课件） (2)-2024新牛津译林版（2020）《高中英语》选择性必修第三册.pptx

1、Grammar Subject clauseUnit2Step1:lead-inStep1:lead-inEnjoy a short video to learn why we explore universe?Step2:review and exploreStep2:review and exploreActivity1 Circle the subject in each sentence1.We live in this wonderful,rich and active universe.2.Our job is to explore the universe.3.How this

2、could be done was a challenging question at the time.4.What concerned Nan Rendong most was the panel.发现新规：When a sentence serves as subject,we call it subject clause主语从句：用从句来充当句子的主语Find the sentences with subject clauses in the article.Exploring the rulesExploring the rulesWorking out the rulesWorki

3、ng out the rulesthatwhether it 复合句形容词性从句副词性从句名词性从句定语从句状语从句主语从句宾语从句表语从句同位语从句1.Category of Subject Clauses1.Category of Subject Clauses 2.Definition of Subject Clauses2.Definition of Subject ClausesWhether hell be able to come is not yet known.主语从句：用从句来充当句子的主语 Observe and AnalyseObserve and AnalyseUnd

4、erline the Subject Clausesin these sentence and circle the leading words(引导词）1.Whether there is life on other planets remains to be seen.2.Who will solve the problem is unknown.3.That the data gathered by them provided valuable information.4.What advances China will make in the future.5.Where we sho

5、uld put the album is a problem.6.Why China is one of the world leaders in space exploration.7.How it laid the foundation for future exploration.3.Leading words of Subject Clauses.3.Leading words of Subject Clauses.词性名词性从句连接词连接词在从句中所充当成分从属连词p that,whether,if连接代词p who(ever)p whom(ever)p what(ever)p wh

6、ich(ever)p whose(ever)连接副词p when(ever)p where(ever)p how(ever)p why不做成分不做成分主、宾、主、宾、表、定表、定状语状语 Translate and SummarizeTranslate and SummarizeComplete the following sentences and focus on the word order in Subject Clauses.1.Where Nan Rendong chose to build FAST (南仁东选择在哪里修建天眼）was not an accident.2.Whet

7、her they could grow more vegetables (他们是否能在太空种出更多蔬菜）was not clear then.3.How to further explore space（如何进一步探索太空）is highly expected.Attention:主语从句用陈述语序 Activity3 Explore the structures of the following sentence.Activity3 Explore the structures of the following sentence.It is clear that telescopes are

8、 crucial tools for space exploration and developing the required technology will help astronomers all over the world make exciting discoveries.Observe and SummarizeObserve and Summarize Subject-Predicate Agreement(主谓一致）主语从句的主谓一致问题主语是从句充当的话，谓语动词一般用三单，但what引导主从时，谓语动词的单复数取决于表语的单复数1.That you are coming

9、to London is the best news I have heard.2.What we need most now are doctors.3.What struck me was that they had all suffered a lot.it主语从句常用主语从句常用 it 作作形式主语形式主语放放句首句首,从句为真正的主语从句为真正的主语，放在句末，使句子更平衡。，放在句末，使句子更平衡。1.It+be+It+be+形容词形容词 +that+that从句从句常用句型clear,obvious,necessary,possible,likely,.It is clear t

10、hat the girl told a lie.2.It+be+名词词组+that从句a pity,no wonder,a shame,a good idea.It is a pity that he missed such an interesting film.3.It+be+过去分词+that从句 believed,said,reported,suggested.It is suggested that the lab building(should)be built next year.It is said that he is the best student in the clas

11、s.表示命令，建议，请求，坚持的从句中要用虚拟语气（ordered,suggested,required,advised)4.It+seem,happen,appear,occur to 等不及物动词+that 从句It appears that they have made the same mistake.It happened that I was out that day.Whether they are able to grow more vegetables in space depends on how much time it takes.2.Whether they are

12、able to grow more vegetables in space depend on how much time it takes.主语是从句充当的话，谓语动词一般用三单。主语是从句充当的话，谓语动词一般用三单。（what引导从句例外）引导从句例外）Access your progress|P21-B1Access your progress|P21-B11.The space mission went so well was beyond our expectations.That the space mission went so well was beyond our expe

13、ctations.3.It was not clear how long he will stay on the space station.It was not clear how long he would stay on the space station.It is not clear how long he will stay on the space station.4.What the lunar probe did not land was a worry for the people back on the earth.That the lunar probe did not

14、 land was a worry for the people back on the earth.5.That makes the Chinese people happy is that China has successfully launched a space rocket.What makes the Chinese people happy is that China has successfully launched a space rocket.Applying the rules|P21-B2Applying the rules|P21-B2包括三个阶段绕、落、回eb探月

15、卫星谁也说不准的事 ac软着陆奠定基础月面采样Write down your prediction about the development of space exploration,using subject clauses.Possible answer:It is clear that many exciting things will happen in the development of space exploration in the future.I think manned space missions to Mars will happen in my lifetime

16、and a permanent base on Mars will also be established.Hopefully,new energy sources will be developed,which will make space flight cheaper and faster.But how soon and how far we advance in developing the required technology to do so depends on the collaboration between the many countries around the world.It is possible that the technology will be available before 2040 and I am looking forward to that.