高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists说课ppt课件

这是一份高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists说课ppt课件，共22页。PPT课件主要包含了表语从句之引导词，S+V+P，Exercise等内容，欢迎下载使用。

Learning Aims
1. Enable the students t master the usage f predicative in this unit.2. Enable the students t use the predicative patterns flexibly.3. Train the students t apply sme skills by ding the relevant exercises.
感知以下课文原句，补全方框下的小题
1.One thery was that bad air caused the was that chlera was caused by an infectin frm germs in fd r seemed that the wman liked the water frm the pump s much that she had it delivered t her huse every truth was that the water frm the Brad Street pump had been infected by waste.
以上4个句子中的加颜色部分都是从句，这些从句在词性上相当于一个 ，故被称作 从句，而且从句作 ，所以又被称作 从句。
1.概念：在主从复合句中，相当于名词的从句被称为名词性从句。2.分类：名词性从句包括：主语从句、宾语从句、表语从句和同位语从句。3.连接词
【观察例句】
What the place impressed me mst was that it has many places f interest. 这个地方给我印象最深的是这里有很多名胜。This is where I dn’t agree with yu. 这就是我不同意你的地方。That is why he was late fr class again.那就是他又一次上课迟到的原因。
主语+系动词+引导词+简单句（表语从句）系动词: be, lk, remain, seem等。引导词连接词： that/whether/as if/ as thugh连接代词：wh/whse/which/what连接副词：when/where/why/hw
定义：在主从复合句中充当表语的从句叫做表语从句。表语从句和主语指同一内容， 它对主语进行解释，说明，使主语的内容具体化。
【观察例句】1.The fact is that he hasn’t yet recvered frm illness. 2.The reasn why he has t g is that his mther is ill in bed.3. My advice is that yu (shuld) practise speaking English as ften as pssible.
【归纳用法】that在表语从句中既不充当成分,又没有意义，且不可以省略。在表示“建议，劝说，命令”的名词idea, suggestin, request, prpsal 等后面的表语从句中，谓语动词用“shuld+动词原形”，shuld可以省略。
引导词的用法 (that)
what 在表语从句中充当______________ 表示____________________________.1. The questin is what caused the accident. 2. That muntain is n lnger what it used t be .3. What he tld yu was what had been discussed at the meeting.
什么，什么样子，或所…的（人或事）
引导词的用法 (what)
wh 在表语从句中充当______________表示____.The prblem is wh culd d the wrk2. My truble is wh (whm) I can turn t.
引导词的用法 (wh)
[即学即练]——用that, wh /whm, what填空1.The prblem is _________ we can get t replace village is n lnger _______ it was ver twenty years questin is _______ caused the gave yu the idea______he’d be here?
whether在表语从句中表 ______ ,但_______句子的成分。 1.What the dctr really dubts is whether my mther will recver frm the serius disease sn. 2.The questin is whether it is wrth ding.
引导词的用法 (whether )
[名师点津]　if不能引导表语从句
当表语从句中主语、宾语、表语具备，但是还是要表示疑问含义，可以断句子中缺少状语，常常用相应的特殊疑问词引导，有 why 表 , when表 , where表 , hw表 等。This is hw he did it.That is why the brthers wanted t make a bet.That’s why we’ve given yu the letter.
引导词的用法(why/when/where/hw)
[即学即练]——用 whether,when ,why, hw填空1.That’s_______ I lef s prblem was __________he culd cme n time.3. The first time we met each ther was _____ we studied in that schl.4. The truble is _____ we can master mdern science and technlgy in a shrt time.

【观察例句】1.I didn't phne her, and that was why she gt angry with me.我没有给她打电话。那就是她对我生气的原因。 2.I didn't phne her, and that was because I gt angry with her.我没有给她打电话。那是因为我 生她的气了。
【归纳用法】why 和 because 引导的表语从句的区别：That's because... 意为“那是因为·····”，强调原因；That's why... 意为“那是······的原因”，强调结果。
why 与because 引导表语从句的区别
1.That is .那就是我想让你在这儿工作的原因。2.I was late fr schl this mrning. last night.今天早上我上学迟到了。那是因为我昨晚睡得太晚了。
why I want yu t wrk here
That’s because I stayed up t late
Predicative 表语
Predicative is used ______ the link verb.
A sentence which is used as predicative is Predicative Clause表语从句.
②感官动词：sund, taste,smell, lk, feel;
③表示变化的词：g,get, turn, becme.
Ⅰ.Fill in the reasn fr yur mistake is _______ yu lack cnfidence in prblem is __________ the air pllutin can be cntrlled.3.I dn’t like yu. That is _______ yu are s was ____________ we camped last time.5.I’d like t start my wn business --- that's _____ I’d d if I had the mney.
Ⅱ.补全句子1.The fact was 　.事实是他没有做真正的努力。2.The questin is 　　 .问题是这部电影是否值得看。3.Nw she has knwn Millie fr years.现在看起来好像她认识米莉已有好多年了。4.My advice is as ften as pssible.我的建议是你尽可能经常地练习说英语。5.That’s .那就是我第一次遇见她的地方。
that he didn’t really try
whether the film is wrth seeing
it seems as thugh/if
that yu (shuld) practise speaking English
where I first met her
Ⅲ.语法填空(用适当的连接词填空)　　Everyne knew 1. Wendy was a famus writer，but n ne knew 2. she came frm and 3. she was brn in 1961 was still a mystery. 4. they did knw was 5. she was lved by pr peple because she always helped 6. was in need f mney.Wendy was generus and helpful，but sme peple thught she was chasing fame.Wendy said she didn’t understand 7. they were s narrw-minded，but it didn’t matter 8. thers thught f her.She just wanted t d 9. she thught was right.She thught that was 10. the meaning f life lied.