英语Grammar评优课ppt课件

这是一份英语Grammar评优课ppt课件，共29页。PPT课件主要包含了状语从句→简单句，宾语从句→简单句，定语从句→简单句等内容，欢迎下载使用。
我们可以用介词短语把状语从句转换成简单句，我们可以用介词把宾语从句和定语从句转换成简单句。
Sentences (Ⅱ) 简单句和复合句的转换
A Using adverbial clauses r simple sentences
状语从句和简单句之间的转换
We can rewrite sme adverbial clauses in simple sentences with prepsitinal phrases beginning with at the age f, because f and withut.
Neil Armstrng received his student pilt’s licence when he was 16.→Neil Armstrng received his student pilt’s licence at the age f 16. Peple might flat in space because the gravity is slw.→Peple might flat in space because f the lw gravity. Humans cannt survive if there is n fd, water r xygen.→Humans cannt survive withut fd, water r xygen.
注意：转换时要注意时态和意思的一致性和准确性。
通过because f, withut, at the age f介词短语将状语从句转换为简单句。
时间状语从句可借助介词短语转化为简单句。
because引导的原因状语从句用介词短语because f可转换成简单句。
if nt引导的条件状语从句可借助withut短语转化为简单句。
Daniel is writing abut visiting anther planet. Help him rewrite the sentences using the wrds in brackets.
Learning abut uter space
1. Neil Armstrng tk his first flight when he was nly six. (at the age f) ______________________________________ ______________________________________2. Yuri Gagarin became the first man t g int uter space at the age f 27. (when) ______________________________________ ______________________________________
Neil Armstrng tk his first flight at the age f six.
Yuri Gagarin became the first man t g int uter space when he was 27.
3. Peple might mve t anther planet in the future because the ppulatin n the earth is increasing rapidly. (because f) __________________________________________ __________________________________________ __________________________________________4. If there is n fresh fd, meals will nt be as tasty as they are n the earth. (withut) __________________________________________ __________________________________________
Peple might mve t anther planet in the future because f the rapid increase in ppulatin.
Meals will nt be as tasty as they are n the earth withut fresh fd.
5. It wuld be funny t play ftball n Mars because f the lw gravity. (because) ______________________________________ ______________________________________6. Withut special bts, yu cannt walk n Mars. (if…nt ) ______________________________________ ______________________________________
It wuld be funny t play ftball n Mars because the gravity is lw.
If yu dn’t have special bts, yu cannt walk n Mars.
B Using bject clauses r simple sentences
We can rewrite sme bject clauses in simple sentences with prepsitins like f and abut.
宾语从句和简单句之间的转换
注意：常用动词和介词的搭配： remind smebdy f… 使某人想起… be sure/certain abut… 对…确信
The smell f the pills reminds them that fd n the Earth is tasty.→The smell f the pills reminds them f the tasty fd n the Earth. Are they sure that space travel will be very fast?→Are they sure abut the fast speed f space travel?
通过f, abut介词将宾语从句转换为简单句。
可以用介词 f 把宾语从句转换为简单句。
可以用介词abut把宾语从句转换为简单句。
Millie knws little abut the planet Mars. She is asking Daniel fr mre infrmatin. Rewrite Millie’s sentences using the wrds in brackets.
Abut the planet Mars
Millie: (1) Are yu aware hw far Mars is away frm the Sun?Daniel: Yes. Mars is abut 142,000,000 miles away frm the Sun. It takes Mars abut tw Earth years t cycle arund the Sun nce.Millie: (2) Are scientists in agreement that living n Mars wuld be pssible fr humans in the future?Daniel: N. But they’re wrking hard t learn mre abut Mars.Millie: (3) D they think that the lw gravity n Mars might be a prblem?Daniel: Yes, they d.Millie: (4) Are yu aware that transprt culd be like n Mars?Daniel: It culd be much better than that n the Earth. Hwever, scientists aren’t sure whether peple culd grw plants n Mars.Millie: (5) I wnder hw many peple wuld like t mve t Mars. (6) I think peple shuld knw that life n Mars wuld be different frm that n the Earth.
1. Are yu aware _____________________________________ (distance)?2. D scientists agree _____________________________________ (pssibility)?3. Have they thught _____________________________________ (prblem)?
f the distance between Mars and the sun
abut the pssibility f living n Mars
abut the lw gravity prblem
4. Are yu aware ___________________________________ (transprt)?5. I wnder ____________________________________ ____________________________________ (number).6. I think peple shuld knw _____________________________________ ____________________________________ (differences).
f the transprt n the Mars
the number f the peple wh wuld like t mve t Mars
the differences between life n Mars and that n Earth
C Using defining relative clauses r simple sentences
We can rewrite sme defining relative clauses in simple sentences with prepsitins like with and in.
定语从句和简单句之间的转换
Peple might live in huses which have huge cmfrtable rms.→Peple might live in huses with huge cmfrtable rms. On Mars yu might see peple wh wear special bts.→On Mars yu might see peple in special bts.
通过with, in 介词将定语从句转换为简单句。
可以用介词 with 把定语从句转换为简单句。
可以用介词 in 把定语从句转换为简单句。
Simn is writing abut Mars. Rewrite the defining relative clauses in simplesentences with prepsitins with r in.
Curius abut Mars
1. Mars is a planet that has an envirnment similar t that f the earth. ______________________________________ ______________________________________2. Astrnauts wh wear space suits and helmets might stay n Mars fr hurs. _______________________________________ _______________________________________
Mars is a planet with an envirnment similar t that f the Earth.
Astrnauts in space suits and helmets might stay n Mars fr hurs.
3. It is difficult t breathe n a planet that has much thinner air than that n the Earth. ______________________________________ ______________________________________4. On Mars there might be peple wh carry air tanks n their backs. ______________________________________ ______________________________________
It is difficult t breathe n a planet with much thinner air than that n the Earth.
On Mars there might be peple with air tanks n their backs.
Simn is interested in stries abut aliens. He even writes t aliens. Replace each f the underlined parts in his letter with anther expressin.
Dear aliens,Humans are thinking abut mving t anther planet (1) because the pllutin n the Earth is very serius. Many peple d nt dubt (2) that life n Mars wuld be very interesting, but I am nt sure. We culd nt play ftball n Mars (3) because f the lw gravity. Life wuld be bring fr me (4) if I culd nt play ftball.
because f the serius pllutin.
abut interesting life n Mars.
because the gravity is lw
withut playing ftball.
Maybe this prblem culd be slved by building indr playgrunds (5) which have the same ftball fields as thse n the Earth.By the way, wuld strangers be welcme? I hpe t hear frm yu sn.Simn
with the same ftball fields as thse n the Earth.
Language pints
Are scientists in agreement that living n Mars wuld be pssible fr humans in the future?科学家们一致认为人类将来生活在火星上是可能的吗?agreement n. 同意、协议 in agreement 同意、一致 I’m glad we are in agreement abut ne thing, at least. 我很高兴我们至少能就一件事达成共识。
【拓展】agree的用法 ① agree with sb. 同意某人 I can’t agree with yu mre. 我非常同意你的看法。 ② agree t sth. 同意某事 D yu agree t the plan?你同意这个计划吗？ ③ agree n sth. 在某事上达成一致意见 They finally agreed n the design f the bridge. 他们最终在这座桥的设计上达成了一致意见。 ④ agree t d sth. 同意做某事 They dn’t agree t marry their daughter t the man. 他们不同意把女儿嫁给那位男士。
同义句转换1. D yu knw the girl wh is hlding tw bks in her hand? D yu knw the girl ______ tw bks in her hand?2. The man in a blue shirt is ur English teacher. The man ________ ________ a blue shirt is ur English teacher.3. The phts remind me that I travelled t the UK five years ag. The phts ________ ________ ________ my trip t the UK five years ag.4. Are yu certain that Tm is satisfied with the plan? Are yu ________ ________Tm’s satisfactin with the plan?
remind me f
certain abut
1. Review the grammar we’ve learned tday.2. Finish the related exercises. 3. Preview Integrated skills&Study skills .