初中Unit 3 Language in use教学演示ppt课件

这是一份初中Unit 3 Language in use教学演示ppt课件，文件包含Unit3Languageinuse课件pptx、Unit3Languageinuse音频new_jh4_m3u3a7mp3等2份课件配套教学资源，其中PPT共29页， 欢迎下载使用。

Enjy a vide.
Language practice
Recite the sentences and remember the structure f each sentence.
Yu have learned many English wrds s far.
Change the sentence accrding t the requests.
Yu haven’t learned many English wrds s far.
(变一般疑问句并回答)
Have yu learned many English wrds s far?
Yes, I have./N, I haven’t.
Learn the usage f already, just and yet.
表示“刚才，方才”，一般用于肯定句中。
表示“已经”，主要用在肯定的陈述句中，通常与动词的完成时或进行时连用。
可用于否定句、疑问句中：用于否定句，意为“还，尚” ；用于疑问句，意为“已经” 。
Cmplete the news with already, just and yet.
Spaceship n Mars! Astrnauts have (1)_________ been t the mn but they have nt been t any ther planets. Hwever, a spaceship has (2)_______ arrived n Mars and it has (3)_________ sent back phts f the red planet. Is there life n Mars?We d nt knw (4)________.
Nicky: I’ve just (1)__________(watch) a great TV prgramme abut space. Did yu knw that scientists have (2)___________(discver) water n Mars? Bill: Yes, I did. And scientists (3)___________(try) t find life n Mars nw.Nicky: Yes, they’re lking fr life but they (4)_____________(nt find) anything yet. Bill: There were sme new phts f Mars in the newspaper tday. (5)________ yu _______(see) them yet?Nicky: Yes. They’re amazing!
haven’t fund
Cmplete the cnversatin with the crrect frm f the verbs in brackets.
Lk at these sentences.
The spaceship has gne t Mars.It has gne there, but it has nt cme back yet.Astrnauts have been t the mn.They went there and then they came back.
Nw chse the crrect answer.1. Astrnauts have been / gne t the mn and returned.2. The spaceship has been / gne int space. It will travel fr ten days.3. The astrnaut has been / gne t the space statin. He will cme back tmrrw.4. The spaceship has been / gne t the space statin. It brught back tw astrnauts.
1. A spaceship ____________ t Mars. It is cming back t the earth next year.2. Six taiknauts ___________ t the Tiangng space statin by May 2022.3. Nie Haisheng ___________ t space three times.4. Tw British astrnauts ____________ t the space statin. They will cme back in January.
Cmplete the sentences with the expressins in the bx.
Sum up the usage f already, just and yet.
just表示“刚才，方才”，一般用于肯定句中。
aready表示“已经”，主要用在肯定的陈述句中，通常与动词的完成时或进行时连用。
yet可用于否定句、疑问句中：用于否定句，意为“还，尚” ；用于疑问句，意为“已经” 。
Sum up the grammar: the present perfect tense.
Sum up the grammar: have/has been t,have/has gne t
have/has been t 去过某地，已经回来have/has gne t 去了某地，还没回来
1. 一般在动词原形末尾直接加上-ed。如： lk—lked。2. 以不发音的字母e结尾的动词，直接加-d。如: live—lived。3. 末尾只有一个辅音字母的重读闭音节，先双写 这个辅音字母，再加-ed。如: stp—stpped。4. 末尾是辅音字母+y结尾的动词，先变y为i，然后 再加-ed。如: study—studied。
总结过去式、过去分词的构成
Dear Li Fang,I’ve (1)________ finished reading a great bk at schl. I haven’t (2)_________ anything as gd as that fr a lng time! It’s a stry abut the slar system. In the bk, the writer imagines that astrnauts have (3)______ t Mars. I’ve (4)______ thught abut that befre and I think it’s very interesting. I haven’t (5)_______ anyne famus in my life but I hpe ne day I can meet an astrnaut. I’ve (6)_________ t a Chinese astrnaut fr mre infrmatin abut space and his experience f space travel. I hpe he will write back. He hasn’t (7)______. Maybe he is t busy. I’m still waiting.Best wishes,Liu Dan
Cmplete the email with the wrds in the bx.
Listen and cmplete the ntes.
Wrds and expressins
Cmplete the wrd map with the wrds and expressins in the bx.
space statin
Nw add mre wrds abut space t the wrd map and write five sentences.
We’ve just read a stry abut a space statin near the sun. Astrnauts haven’t been t the sun, because it’s t ht. Spaceships are travelling in ur slar system at the mment. I am interested in space and the stars and planets in ur galaxy. I think scientists will send astrnauts t Mars ne day.
Cmplete the passage with the crrect frm f the wrds in the bx.
In July 1969, Neil Armstrng became the first (1)____________ t walk n the (2)________. Peple all arund the wrld watched their televisins and waited fr the (3) ________ t (4)_________ the earth. We have nw (5)___________ a lt mre abut ur slar system, and we have sent (6)___________ t Mars, but n ne has walked n that planet (7)____________. But I believe ne day smene will!
Read the passage and understand the knwledge f the “week”.
Arund the wrld
Mdule task: Making a pster abut space travel
Wrk in grups. Chse a subject, fr example, the first mn landing r China’s manned space travels. Lk fr sme phts and infrmatin abut it.
Oct.15, 2003, China launched an astrnaut int Earth rbit.
Shenzhu V launch successful
Write captins fr the phts and use the infrmatin yu fund in Activity 10 t write a descriptin f each ne.
Give yur pster a title. Put it up fr yur classmates t see.
have already reached　
have been
has just made
Have ever been t
has gne t
heard this latest news　
Summing up
Summing up & Hmewrk
语法：现在完成时1. 结构: have/has+过去分词2. The use f the present perfect tense with just, yet and already. just表示“刚才，方才”，一般用于肯定句中。 yet可用于否定句、疑问句中：用于否定句，表示“还，尚” ；用于 疑问句，表示“已经” 。 already表示“已经”，主要用在肯定的陈述句中，通常与动词的完成时或 进行时连用。
1. Ask the students t summarize what they have learned in this mdule.2. Preview the new wrds and expressins in Mdule 4.3. Preview the useful expressins abut seeing the dctr.