沪教牛津版（2024）八年级上册Unit 5 Educational exchanges试讲课ppt课件

这是一份沪教牛津版（2024）八年级上册Unit 5 Educational exchanges试讲课ppt课件，共33页。PPT课件主要包含了have met，has cooked，Summary，现在完成时用法总结，watched，have been等内容，欢迎下载使用。
Travelling is fun fr me.
the Frbidden City
Part I Lead-in
I have been t ...
the Great Wall
I have visited ...
the Temple f Heaven
the Summer Palace
Tian'anmen Square
I have stayed in Beijing fr 2 weeks.
I have been t the Great wall and the Frbidden City.I have visited the Summer Palace and the Temple f Heaven.I have stayed in Beijing fr 2 weeks.
The present perfect tense现在完成时态
A The present perfect tense
We use the present perfect tense t talk abut things that happened in the past but have a cnnectin t the present in sme way.
Part II While-Learning
We frm the present perfect tense with _____ r _____ + the past participle (过去分词) f the main verb.
Wrk ut the rule
Things t remember
I / Yu / We / They have = I've/Yu've/We've/They'veHe/She/It has = He's/She's/It'shave nt = haven't has nt = hasn'tThe past participle f a regular verb is usually the same as its past tense. Yu can find the past participles f sme irregular verbs n pages 141 and 142.
yu have allwed
we have been
yu have sung
they have taught
I have brught
she has sat
we have lived
he has pened
Write the wrds in the present perfect tense.
regular irregular
talk--live--study--plan--
cme--send--fly--
Past participle
talked--talked
lived--lived
studied--studied
planned--planned
sent-- sent
T: MumFrm: EricDear Mum,I've been in Beijing fr a week nw. I (1) ________ (meet) my hst family. They're really friendly. My hst brther Wei and I (2)___________ (play) a lt f ftball at a park near his hme. We bth enjy ftball very much. Mrs Li, my hst mther, (3) __________ (ck) me delicius Chinese fd.
Eric has been in Beijing fr a week. Cmplete his email t his mther with the present perfect tense f the verbs in brackets.
have played
I (4)____________ (study) Chinese with my British classmates. We (5) _________ (see) sme places f interest in Beijing t. Hwever, I (6) _____________ (nt, visit) the Great Wall yet, and I (7) ____________ (nt, d) any shpping either. I’ll d these things next week. Lve, Eric
have studied
haven't visited
haven't dne
肯定式主语+ have/has +过去分词否定式主语+ have/has nt +过去分词一般疑问式Have/has +主语+过去分词
We can use already, yet, ever and never with the present perfect tense.
Sarah has already seen many places f interest in Beijing.Have yu seen the Great Wall yet?N, I have nt seen the Great Wall yet.Have yu ever visited the Summer Palace?N, I have never visited the Summer Palace.
B The present perfect tense with already, yet, ever and never.
We can use the adverbs already, ever and never ( befre/after) have/has and (befre/after) the main verb.We ften use yet at the (beginning/end) f a questin r a negative sentence (否定句).
Wuld yu like t g t Ocean Park with me?Wuld yu like t watch this film with me?Wuld yu like t have a drink?Wuld yu like t have a rest?
Wuld yu like t have dinner with me?Yes, I'd like t. I haven't had dinner yet.N, thank yu. I've already had dinner.
Read and learn
ever (曾经) 疑问句 never (从不) 否定句 yet (仍然) 否定句/疑问句 already (已经) 肯定句
Wrds in the present perfect tense
Zhen Hui is nt hungry. She has already eaten.Sun Fei is hungry. He has nt eaten yet.Have yu eaten yet?
Have yu ever visited Guangzhu? Yes, I have.N, I've never visited it.
Ever and never
Already and yet
B1 Sarah wants t knw whether the students frm Beijing have visited any places in Lndn befre. Ask and answer questins in pairs. Fllw the example.
B2 Later Sarah is asking the students frm Beijing abut what they have and have nt dne in Lndn. Ask and answer questins in pairs. Fllw the example.
Have yu ever been t Ocean Park in Hng Kng?Have yu ever been t the Palace Museum in Beijing?Have yu ever travelled by plane?Have yu ever eaten sushi?…
Survey and reprt
In ur class, … students have been t Ocean Park in Hng Kng, and … students haven't. … students have been t the Palace Museum in Beijing, and … haven't …
一、基本结构have / has +动词的过去分词二、句型肯定句：主语+ have / has +过去分词+其他.否定句：主语+ have / has + nt +过去分词+其他.一般疑问句：Have / Has +主语+过去分词+其他?回答：Yes, 主语+ have / has.（肯定） N,主语+ haven't / hasn't. （否定）
Part III Pst-Learning
三、用法1. 现在完成时表示到现在为止已经完成的动作，该动作对现在还有影响。例如：我花光了我所有的钱。I have spent all f my mney.郭子君来了。Gu Zijun has cme.我爸爸去上班了。My father has gne t wrk.
2. 现在完成时还可以表示发生在过去某一时刻的，并持续到现在的动作（用持续性动词表示）或状态（用be 动词表示）。该动作或状态可能继续下去，也可能刚刚结束。常与“fr +时间段”或“since +时间点/过去时的句子”的时间状语连用。例如：玛丽病了三天了。Mary has been ill fr three days.我从1998年起就住在这里了。I have lived here since 1998.
四、现在完成时的标志词现在完成时的含义之一是过去已经完成的动作对现在仍有影响。使用以下五个标志词可以表达这种含义：1. already 意为“已经”，常用于肯定句中。既可以放句中也可以放句末。例如：他已经得到她的帮助了。He has already gt her help.= He has gt her help already.
2. just 意为“刚刚”，常用于肯定句中。例如：他刚刚看过这部电影。He has just seen the film.3. yet 意为“尚未；仍未”，常用于疑问句和否定句中。yet 用于疑问句中，还可意为“已经；还”，通常放在句末。例如：—汤姆已经回来了吗？—没，他还没有回来。— Has Tm cme back yet?— N, he hasn't cme back yet.
4. ever 意为“曾经”，常用于肯定句和疑问句中。例如：这是我曾经看过的最棒的电影。This is the best film I have ever seen.你曾经去过香港吗？Have yu ever been t Hng Kng?5. never 意为“从来没有”，表示否定，其句中不能再用其他否定词。例如：他从来没有去过北京。He has never been t Beijing.
一、用所给动词的正确形式填空。1. I _______ never _______(speak) t a freigner.2. — _______ Tm _______(return) the bk t yu？ — Yes, he has.3. — Let's g and see the film The Smurfs 2! — N, thanks. I ______ already ______(see) it twice.4. Please turn the radi dwn. Tim ______ just ______(fall) asleep.5. — ______ yu ever ______(sing) this sng befre? — N, it is my first time.
have spken
Has returned
have seen
has fallen
Have sung
Part IV Review
二、选择最佳答案填空。( )1. — Have yu ____ travelled by train? — Yes, I have.A. never B. ever C. just D. yet( )2. — Have yu finished yur hmewrk？ — Nt ____.A. yet B. already C. ever D. just( )3. We haven't studied Unit 6 ____. A. never B. everC. already D. yet
( )4. — Have yu ____ learnt English? — Yes, I've ____ learnt a lt. A. never; ever B. ever; never C. ever; already D. never; already( )5. — Have yu handed in yur hmewrk ____? — Yes, I've dne that ____. A. yet; already B. already; yet C. ever; never D. still; just( )6. Jhn's father ____ brrwed sme pictures. A. have already B. has just C. have ever D. has yet( )7. He ____ returned the bk t the library yet. A. has B. hasn't C. desD. desn't
三、完成下列中译英练习。1. I already (watch) the film. I (watch) it last week.2. — he (finish) his wrk? — Nt yet.3. — yu ever (be) t Hng Kng? — Yes, I (be) there twice.4. — yu ever (eat) a chclate sundae? — N, never.
have watched
Has finished
Have been
Have eaten