Unit 1 Science and Scientists Discover Useful Structures 表语从句（ppt课件）-2022新人教版（2019）《高中英语》选择性必修第二册.pptx

1、名词性从句之表语从句名词性从句之表语从句Learning Aims1.to understand the use of predicative clauses in reading materials;2.to master the usage of conjunctions of predicative clauses;3.to apply predicative clauses to essay writing properly.名词性从句之主语从句名词性从句之主语从句That he will pass the exam is certain.What is subject clause?

2、a sentence performed as the subject of the main clause.名词性从句之表语从句名词性从句之表语从句What is predicative clause?Predicative clause:a sentence performed as the predicative of the main clause.The fact is that he has passed the exam.表语从句位置表语从句位置Find out the predicative clauses:1.One theory was that bad air cause

3、d the disease.2.The question is who will be the winner.3.It sounds as if someone is knocking at the door.4.It seems that he was late for the train.5.That is because he didnt understand me.表语从句位置表语从句位置Where is predicative clause?Behind the link verbs1.One theory was that bad air caused the disease.2.

4、The question is who will be the winner.3.It sounds as if someone is knocking at the door.4.It seems that he was late for the train.5.That is because he didnt understand me.系动词系动词a.状态系动词:beb.持续系动词:keep,remain,stayc.表像系动词:seem,appear,lookd.感官系动词:feel,smell,sound,taste.e.变化系动词:become,grow,turnf.终止系动词:p

5、rove,turn out连接词连接词Circle the conjuctions 1.One theory was that bad air caused the disease.2.The question is who will be the winner.3.It sounds as if someone is knocking at the door.4.It seems that he was late for the train.5.That is because he didnt understand me.连接词连接词连接词意义作用从属连词that无意义不做成分whether

6、“是否”不做成分连接词连接词连接词意义作用 连接代词What(ever)“所的东西”主 宾 表 Which(ever)“哪一个”主宾表定Who(ever)“谁”主宾表定whose“谁的”定whom“谁”宾连接词连接词连接词意义作用 连接副词when(ever)“的时候”时间状语where(ever)“的地方”地点状语why“为什么”原因状语how(ever)“怎样”方式状语连接词连接词连接词意义作用 其他连接词（组）because“因为”原因状语as if/though“似乎/好像”不做成分Exercise The problem is _I have lost his number.That

7、 was _happened at the initial stage of our groups research.What we cared about was_aspect we needed to develop.He did not watch the game last night.That was _ he had to help his little sister with her homework.what which because why that thatwhatwhichbecause易错考点易错考点1 1：特殊句式：特殊句式1）That/This/It is why

8、+结果 “这就是为什么”That/This/It is because+原因 “那是因为”2)The reason（why 定语从句）is+that表语从句 “的原因是”Exercise He was late for school this morning.Thats _he stayed up too late last night.He stayed up too late last night.Thats _ he was late for school this morning.The reason why he was late for school was _he stayed

9、up late last night.thatbecausewhy易错考点易错考点1 1：特殊句式特殊句式3)It seems/looks/sounds 等词+as if/though表语从句“看上去/听上去似乎”It seems as if he benefits a lot from the project.It looks as if he were drunk.注：若表达真实的情况，就用陈述语气 若表述与客观事实不符或相反的假设，则用虚拟语气Exercise It seems _he knew nothing about the accident.The question is _ t

10、hey will go by plane or by train.My suggestion is _ we(should)start early tomorrow.I got angry with him.Thats _he didnt understand me.The weather here is cold and wet.Thats _i dont want to go for a walk.The reason why he didnt come was _he had not received the invitation.as if whetherthatbecausewhyt

11、hat易错考点易错考点2 2：特殊词特殊词 suggestion,advice,proposal,order,command,request,requirement,demand等做主语时，表语从句的谓语动词用（should）+do的形式，should 可以省略。例：My suggestion is that we _(set)off early tomorrow.Her order was that all the students_(be)quiet.His request is that we_(work)hard.(should)set(should)be(should)work名句积

12、累名句积累1.Research is what Im doing when I dont know what Im doing.(Werner von Braun)2.The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.(Isaac Asimov)3.There are only two ways to live your life.One is as though nothing is a miracle.The other is as though everything is a miracle.(Albert Einstein)考点总结考点总结表语从句位置连接词特殊句式特殊词定义