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外研版 (新标准)八年级下册Unit 3 Language in use多媒体教学ppt课件
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这是一份外研版 (新标准)八年级下册Unit 3 Language in use多媒体教学ppt课件，共24页。PPT课件主要包含了yet，Has， already，just，already，yet ，has gone，have been，have gone ， watched等内容，欢迎下载使用。
1. ______________ a mdel spaceship. 我刚刚做了个宇宙飞船模型。2. ____ it ____________? 它已经到达了吗？3. Astrnauts ___________________ the mn. 宇航员已经去过月球了。4. We have nt fund life n any ther planets _______. 我们还没有在其他星球发现生命。
I’ve just made
arrived yet
have already been t
[ 探究 现在完成时（二）]
一、与现在完成时连用的副词
1．already意为 “已经”，常用在肯定句中，一般位于助动词之后，实义动词之前。I've already dne my hmewrk.我已经做完我的家庭作业了。
2．yet意为“还，仍然”，常用于否定句和疑问句句末。Have yu visited the Great Wall yet? 你参观过长城吗？3．just意为“刚刚”，常用在肯定句中，位于助动词之后，实义动词之前。My father has just bught a new watch.我父亲刚买了一块新手表。
4．befre意为“以前”，可用于句末。We have never met the man befre.我们以前从未遇见过这个人。5．ever意为“曾经”，位于助动词之后，实义动词之前，其反义词为never。Have yu ever read the nvel?你曾读过这本小说吗？
二、have been t/in与have gne t 的区别
1．have been t 意为“到过，去过”，表示“曾到过某地”，而此时人已不在那儿了。I have been t Jinan. 我去过济南。(现在已经回来了)
2．have gne t意为“去了”，现在人可能在去的途中或已在那个地方了，而不在说话人处。Where is Lily? Has she gne t the library?莉莉在哪儿？她去图书馆了吗？3．have been in sp.意为“曾经待在某地”，并且常和表示持续意义的时间状语连用。My mther and I have been in Guangzhu since 2011. 自从2011年以来，我和妈妈就在广州。
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 (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) ________.
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.
Cmplete the sentences with the expressins in the bx.
1. A spaceship ___________ t Mars. It is cming back t the earth next year. 2. Lts f astrnauts ___________ t the space statin. They fund it very interesting.3. Sme astrnauts ____________ t the mn twice.4. Tw British astrnauts __________ t the space statin. They will cme back in January.
have / has been have / has gne
Cmplete the cnversatin with the crrect frm f the verbs in brackets.
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.
haven’t fund
Bill: There were sme new phts f Mars in the newspaper tday. (5) _______ yu ______ (see) them yet?Nicky: Yes. They’re amazing!
Have seen
Rle-play the cnversatin in Activity 4.
Cmplete the email with the wrds in the bx.
FROM: Liu DanTO: Li FangSUBJECT: I’ve fund a great bk.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
been just met never read written yet
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
( )1.[2019·武汉] —Have yu ________ chemistry fr the cming exam? —Yes. I’m quite ready fr D.reviewed
( )2.[2018·沈阳] Sarah ________ many places f interest in Beijing already. A.visited B.has visitedC.will visitD.visits
( )3.—Dave, we will leave in 10 minutes. Are yu ready?—N, I ________ ur guidebk and twels yet. A.dn’t packB.didn’t packC.have packedD.haven’t packed
( )4.[2019·湘西] —________ yu ever ________ Hng Kng-Zhuhai-Maca Bridge? —Nt ; visit B.Are; visitC.Have; visited
( )5.—Have yu finished yur wrk ________ ? —Yes, I’ve finished it. A.just; yetB.yet; alreadyC.yet; yetD.just; already
Ⅱ.用just, already, yet或never填空11.We've seen the film three times. It’s wnderful. 12.David has cme back frm New Yrk. 13.Mum, I’ve finished my hmewrk. Can I play ftball? 14.They’ve heard the news. Nw, they’re talking abut it.
just/already
15.Xia Ming hasn’t returned . His mther is angry. 16.Have the students fund the lst dg ? 17.N ne frm ther planets has sent us a message_____. 18.—Have yu been t Mars?—N, we have been there.
1. ______________ a mdel spaceship. 我刚刚做了个宇宙飞船模型。2. ____ it ____________? 它已经到达了吗？3. Astrnauts ___________________ the mn. 宇航员已经去过月球了。4. We have nt fund life n any ther planets _______. 我们还没有在其他星球发现生命。
I’ve just made
arrived yet
have already been t
[ 探究 现在完成时（二）]
一、与现在完成时连用的副词
1．already意为 “已经”，常用在肯定句中，一般位于助动词之后，实义动词之前。I've already dne my hmewrk.我已经做完我的家庭作业了。
2．yet意为“还，仍然”，常用于否定句和疑问句句末。Have yu visited the Great Wall yet? 你参观过长城吗？3．just意为“刚刚”，常用在肯定句中，位于助动词之后，实义动词之前。My father has just bught a new watch.我父亲刚买了一块新手表。
4．befre意为“以前”，可用于句末。We have never met the man befre.我们以前从未遇见过这个人。5．ever意为“曾经”，位于助动词之后，实义动词之前，其反义词为never。Have yu ever read the nvel?你曾读过这本小说吗？
二、have been t/in与have gne t 的区别
1．have been t 意为“到过，去过”，表示“曾到过某地”，而此时人已不在那儿了。I have been t Jinan. 我去过济南。(现在已经回来了)
2．have gne t意为“去了”，现在人可能在去的途中或已在那个地方了，而不在说话人处。Where is Lily? Has she gne t the library?莉莉在哪儿？她去图书馆了吗？3．have been in sp.意为“曾经待在某地”，并且常和表示持续意义的时间状语连用。My mther and I have been in Guangzhu since 2011. 自从2011年以来，我和妈妈就在广州。
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 (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) ________.
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.
Cmplete the sentences with the expressins in the bx.
1. A spaceship ___________ t Mars. It is cming back t the earth next year. 2. Lts f astrnauts ___________ t the space statin. They fund it very interesting.3. Sme astrnauts ____________ t the mn twice.4. Tw British astrnauts __________ t the space statin. They will cme back in January.
have / has been have / has gne
Cmplete the cnversatin with the crrect frm f the verbs in brackets.
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.
haven’t fund
Bill: There were sme new phts f Mars in the newspaper tday. (5) _______ yu ______ (see) them yet?Nicky: Yes. They’re amazing!
Have seen
Rle-play the cnversatin in Activity 4.
Cmplete the email with the wrds in the bx.
FROM: Liu DanTO: Li FangSUBJECT: I’ve fund a great bk.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
been just met never read written yet
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
( )1.[2019·武汉] —Have yu ________ chemistry fr the cming exam? —Yes. I’m quite ready fr D.reviewed
( )2.[2018·沈阳] Sarah ________ many places f interest in Beijing already. A.visited B.has visitedC.will visitD.visits
( )3.—Dave, we will leave in 10 minutes. Are yu ready?—N, I ________ ur guidebk and twels yet. A.dn’t packB.didn’t packC.have packedD.haven’t packed
( )4.[2019·湘西] —________ yu ever ________ Hng Kng-Zhuhai-Maca Bridge? —Nt ; visit B.Are; visitC.Have; visited
( )5.—Have yu finished yur wrk ________ ? —Yes, I’ve finished it. A.just; yetB.yet; alreadyC.yet; yetD.just; already
Ⅱ.用just, already, yet或never填空11.We've seen the film three times. It’s wnderful. 12.David has cme back frm New Yrk. 13.Mum, I’ve finished my hmewrk. Can I play ftball? 14.They’ve heard the news. Nw, they’re talking abut it.
just/already
15.Xia Ming hasn’t returned . His mther is angry. 16.Have the students fund the lst dg ? 17.N ne frm ther planets has sent us a message_____. 18.—Have yu been t Mars?—N, we have been there.
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