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(共18张PPT)
UNIT 3　CONSERVATION
单元典型句式结构讲解及对应练习
1教材原句] For example,it stops coconut hairs from getting into other food during transport.
stop...from doing结构
归纳
随堂练习
单句语法填空
①Effective customer service policies,obviously,can stop customers from 　　　　　　　(switch) to competitors.
②The coach adjusted the defense to prevent the star player from
　　　　　　　(dominate) the game.
switching　
dominating
随堂练习
Measures must be taken to stop these animals from being killed.
→③Measures must be taken 　　　　　　　　　　　these animals
　　　　　　　　　　　　　　　.
→④Measures must be taken 　　　　　　　　　these animals
　　　　　　　　　　　.(写作话题之环境保护)
to prevent
(from) being killed
to keep
from being killed
2.[教材原句] How often do we arrive at work or school,stressed out,tired and angry
形容词作状语
归纳
(1)此处stressed out,tired and angry为形容词作状语。形容词作状语时可表示伴随状况、时间或原因等。
(2)作状语的形容词常用来说明句子主语的状态,即常可和主语构成系表关系。
(3)如果用来修饰句中的谓语动词,或修饰整个句子,则应用副词作状语
随堂练习
①(2023新课标Ⅱ卷)Learn where to look for animals and how to
　　　　　(safe) enjoy your wildlife watching experience.
②The assignment was incredibly challenging,and Sarah,___________(frustrate) and exhausted,declared she needed a break.
③The flu was particularly severe,and John,　　 (weak),stayed in bed all day.
safely
frustrated
weak　
随堂练习
[写美]微写作·背诵
④考试非常难,学生们感到失望和气馁,希望有机会重考。
The exam was extremely difficult,and the students,_____________________　　　　　　　,hoped for a retake opportunity.
disappointed and discouraged
3.[教材原句] Storms have been getting worse everywhere too,with more hurricanes hitting the US and Central America.
with独立主格结构
归纳
点津 with独立主格结构在句中常用作原因、条件、时间、方式或伴随状语,也可置于名词后面作后置定语。
随堂练习
①(2023新课标Ⅰ卷)With over 2,500 bikes 　　　　　(store) in our five rental shops at strategic locations,we make sure there is always a bike available for you.
②(2022全国甲卷)In a recent experiment,cockatoos were presented with a
box 　　　　　a nut inside it.
③(2021全国甲卷)...I found myself completely above it and looking at a wonderfully clear view of Skiddaw with the sun 　　　　　(set) in the west.
stored
with
setting　
随堂练习
[写美]句式升级·背诵
④All the paintings drawn by us students had been hung,and the gallery was ready for the opening night of the exhibition.(写作话题之艺术展)
→　　　　　　　　　　　　　　　　　　　　,the gallery was ready for the opening night of the exhibition.(用with独立主格结构改写)
With all the paintings drawn by us students hung
4.[教材原句]Without forests，we would have no air to breathe，and without clean water we would be unable to survive．
without引导含蓄虚拟语气条件
归纳
without引导含蓄虚拟语气条件句既可表示与现在事实相反的假设(主句中用would/could/might/should do)；也可表示与过去事实相反的假设(主句中用would/could/might/should have done)。
有类似用法的还有：with，otherwise/or(否则)，but for(要不是)等。
随堂练习
①Without diverse creatures and plants，our globe ________ (be) less interesting．
②Mr Brown gave me a helping hand．Otherwise，I would_________ (get)into great trouble．
③But ___ your advice，I would have no way to deal with the problem．
would be
have got
for
随堂练习
如果不是膝盖受伤，他将参加今天的篮球赛。
But for a knee injury，______________________________________．

he would take part in the basketball match today
谢谢

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