外研版(2024)八年级上册Unit 6 When disaster strikes Understanding ideas grammar课件

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外研版(2024)八年级上册Unit 6 When disaster strikes Understanding ideas grammar课件

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(共21张PPT)
adj.不复存在的;不再拥有的
n.地,地面
adj.害怕的,恐惧的
v.(使)关(合)上,(使)关闭
adj.惊人的,骇人的,令人难以置信的
n.公共马车,四轮大马车
adv.笔直地,成直线地
n.沙滩
n.洪水,水灾
adj.浓密的;混浊的
lost /l st/
ground /ɡra nd/
scared /ske d/
shut / t/
shocking / k /
coach /k t /
straight /stre t/
sand /s nd/
flood /fl d/
thick /θ k/
n.(燃烧产生的)烟
n.一大批,一阵
adj.(有关)历史的
n.专家
n.时间表
n.反应
n.航空公司
n.工作日
n.铁路,铁道
n.暴风雨
n.(车、船等的)交通服务,班次
v.寻找,搜索,搜寻
smoke /sm k/
shower / a /
historical /h st r kl/
expert / eksp t/
timeline / ta mla n/
reaction /ri k n/
airline / e la n/
weekday / wi kde /
railway / re lwe /
rainstorm / re nst m/
service / s v s/
search /s t /
Review
What was Pliny the Younger doing when the ground shook very hard
A/B/C层
Review.
When the volcano erupted, what were people doing
A/B/C层
Read the sentences from the reading passage and summarise the grammar rules.
Now nd more sentences with these structures in the reading passage.
My mother and I were staying in a town near Pompeii.
By six o’clock the next morning, many buildings were still shaking.
All around us, women were calling, children were crying and men were shouting.
People were trying to find their families in the dark.
5
A/B/C层
The form of past continuous:
was / were doing
The meaning of past continuous:
To talk about ongoing past actions.
Summarise.
A/B/C层
某个时刻
过去
某个时间段
过去进行时
正在进行的动作
过去进行时:表示过去某一时刻或过去某个时间段正在进行的动作。
过去进行时定义
A/B/C层
一般在动词原型后加ing.
以不发音e结尾的动词,去掉e再加ing.
1.protect-protecting; eat-eating ; listen-listening
 enjoy-enjoying ; go-going ; pass-passing
book-booking ; park-parking ;
2. write -writing ; make-making ; ride-riding
take-taking ; dance-dancing ; skate-skating
drive-driving ; prepare-preparing
动词现在分词(V-ing)构成规则:
A/B/C层
字母、音标以“辅+元+辅”(字母y、w、x除外)结尾且重读的动词,双写末尾的辅音字母再加ing.
3. sit-sitting ; set-setting ; get-getting
put-putting ; run-running ; plan-planning
swim-swimming; begin-beginning
stop-stopping ; shop-shopping
play- playing ; draw- drawing; box-boxing
4.特殊变化:
lie—lying;die—dying;tie—tying
动词现在分词(V-ing)构成规则:
A/B/C层
when和while都可表示“当……的时候”,引导时间状语从句。你知道两者在过去进行时中的用法有什么不同吗?
请仔细观察下面的例句,然后补全空格中的内容。
过去进行时中的 when 和 while
A/B/C层
① I was walking to school when I saw a cat in a tree.
②When Sally arrived home, her mother was cleaning the house.
主句的动作是持续性的,而从句动作是
短暂性的,此时用 ______ 引导时间状语从
句,主句用 __________ 时态,从句用一般
过去时态。
过去进行
when
A/B/C层
③ While I was sleeping in the bedroom, someone knocked at the door.
④ David fell while he was riding his bike.
主句的动作是短暂性的,从句的动作
是持续性的,此时用 _______ 引导从
句,主句用 __________ 时态,从句
用过去进行时态。
一般过去
while
A/B/C层
⑤ While Andy was waiting for the bus, he was reading a newspaper.
⑥ He was cleaning his car while I was cooking.
主句和从句的动作在过去的某时刻或某
段时间同时发生,而且动作都是持续性
的,此时用 _________ 引导从句,而且主
句和从句都用 ____________ 时态。
过去进行
while
A/B/C层
when 引导的时间状语从句
与主句的时态:
主句 when 从句
过去进行时 一般过去时
一般过去时 过去进行时
while 引导的时间状语从句
与主句的时态:
主句 while 从句
过去进行时 过去进行时
一般过去时 过去进行时
A/B/C层
were sleeping
were walking
was blowing
was spreading
covering
Complete the sentences with the correct form of the verbs in brackets.
6
A/B/C层
7
Complete the passage with the correct form of the verbs in brackets.
I 1___________(wait) at the railway station when l 2 ___________ (hear) a notice: there was a heavy rainstorm, so all train services were stopped.
was waiting
heard
A/B/C层
While others 3___________ (call) their families or searching for news reports, I got more and more worried. I had a long journey to make. As time went by, people 4___________ (become) louder and angrier. Just then, a lovely music 5___________ (start).
The music of “Me and My Motherland” 6___________ (stop) all noises. Many travellers 7___________ (sing) along with the music. One woman started to cry while she 8___________ (listen). That wonderful music by a student orchestra lifted our spirit and gave us hope.
was calling
became
started
stopped
sang
was listening
A/B/C层
tornado
wildfire
mudslide
earthquake
volcanic
eruption
Tell a story about a natural disaster.
Group work:
Decide on one disaster and tell a story about it. Use the words and expressions from the passage and the Useful expressions to help you.
8
A/B层
· It was a terrible…
· A(n)... happened in…
· Buildings and roads were.....
· People were...
· The cause of... was...
· ... people lost their lives.
· ... people were influenced and... homes
were broken.
· 它是一场可怕的……
· 一场……发生在……
· 建筑物和道路(是)……
· 人们(是)……
· ……的起因是……
· ……人们失去了他们的生命。
· ……人们被影响, 并且……家
园破碎了。
Useful expressions
A/B/C层
tornado
wildfire
mudslide
earthquake
volcanic
eruption
Tell a story about a natural disaster.
Group work:
Decide on one disaster and tell a story about it. Use the words and expressions from the passage and the Useful expressions to help you.
C层
Homework
A/B层

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