| 行业类别 | 格式 | 大小 |
|---|---|---|
| 人教版九年级下册英语 | pptx | 6 MB |
描述
《We're trying to save the earth!》PPT课件5
Grammar Focus
Pay attention to the sentences.
1. We’re trying to save the earth.
2. The river used to be so clean.
3. The air is badly polluted.
4. No scientific studies have shown that shark fins are good for health.
5. We should help save the sharks.
现在进行时: Present Progressive
定义：表示说话时(瞬间)正在进行的动作, 也表示目前或现阶段正在进行的动作。
结构: be (am/is/are) + v.-ing
标志词：Look, Listen, now, right now…
e.g. Look! The boy is crying.
... ... ...
Exercise
What a fine day today!
Look! What are they doing?
used to do与be used to doing
used to do sth. 表示过去常常做某事, 而现 在往往不做了, 后接动词原形。
be used to doing sth. 表示习惯于做某事
e.g. I used to get up at six o’clock.
Joe is used to drinking a cup of coffee every morning.
... ... ...
Translation.
1. 她过去常常周末和朋友闲逛。
She used to hang out with friends on weekends.
2. 他习惯于每天晚上睡得很晚。
He is used to staying up.
被动语态：Passive voice
定义：表示主语是动作的承受者，即行为动作的对象的一种语态。
结构：be + 过去分词
e.g. A new school was built last year.
Our classroom is cleaned every day.
... ... ...
情态动词
1. 情态动词本身有一定的词义, 表示说话人的情绪、态度或语气, 但不能单独作谓语, 只能与其他动词构成谓语。常见的有: can (could), may (might), must, need, shall (should), will (would)等。
2. 情态动词无人称和数的变化, 后接动词原形。否定式是在情态动词后面加not。个别情态动词有过去式形式, 可用来表达更加客气、委婉的语气。
e.g. Ken can climb up the tress like a koala.
Tracy could ride a bicycle when she was five years old.
You mustn’t play with fire. It is dangerous.
... ... ...
Make a list of things that people can do to help the environment and discuss your list with your partner.
use public transportation (n.交通运输);
turn off the lights when you leave a room;
use reusable bags instead of plastic bags;
ride your bike or walk to school or work;
stop using paper napkins(餐巾纸);
recycle books and paper
... ... ...
Homework
Write 5 measures to protect the environment.
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《We're trying to save the earth!》PPT课件7:
《We're trying to save the earth!》PPT课件7 Read the passage about sharks and complete the fact sheet below. Points in Para 1 hear of 听说 shark fin soup 鱼翅汤 in southe..
《We're trying to save the earth!》PPT课件6:
《We're trying to save the earth!》PPT课件6 How do you feel? Saving endangered animals is one thing we can do for our world. What else can we do to help save the planet? ..
《We're trying to save the earth!》PPT课件4:
《We're trying to save the earth!》PPT课件4 Discussion What should we do to help save the earth? Turn off the lights when we leave a room. Take our own bags when shopping..
文件信息
更新时间: 2024-11-04
所属频道：人教版九年级下册英语
素材版本：PowerPoint2003及以上版本(.ppt)
文件大小：460 KB
显示比例：普屏4:3
附件类型：.rar
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