高中英语人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle优秀ppt课件

这是一份高中英语人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle优秀ppt课件，文件包含Unit2Discoveringusefulstructures课件人教版高中英语选修三pptx、Unit2Buildupyourvocabulary课件人教版高中英语选修三pptx等2份课件配套教学资源，其中PPT共55页， 欢迎下载使用。
1.Enable the Ss t master the usage f the Present Perfect Cntinuus tense2.Enable the Ss t use the relevant grammar flexibly and authentically in the real situatin
Learning bjectives
The Present Perfect Cntinuus Tense
In frm: have/has been ding
In meaning: the actin is cntinuus frm the past
What is the tense f the sentence belw?This is the adventure that I have been dreaming f.Find mre examples cntaining this tense:1.We are nw camped n the ice and we have been managing t survive, but spring is cming, and the ice will sn begin t melt.2. We have been struggling fr days, but things n Elephant Island are ging frm bad t wrse.Questin: what is the functin f the present perfect cntinuus tense?1.t talk abut actin that started in the past and stpped recently. There is usually a result talk abut actin that started in the past and is cntinuing nw. This is ften used with fr r since.
key: the present perfect cntinuus tense.
Fcus n 基本用法
The Present Perfect Cntinuus Tense 现在完成进行时
1. 基本概念 2. 现在完成进行时的用法3. 现在完成进行时和 现在完成时的区别
现在完成进行时表示动作从过去某一时间开始一直持续到现在，这个动作可能刚终止，也可能还在进行。
肯定句：主语 + have/has + been + 现在分词... 否定句：主语 + have/has + nt + been + 现在分词... 疑问句：Have/Has + 主语 + been + 现在分词 疑问代词/ 疑问副词 + have/has +（主语 +）been + 现在分词 I’ve been trying t find ut her telephne number. 我一直在查问她的电话号码。They have been widening the rad. 他们在拓宽这条路。
EXAMPLE This is the adventure that I have been dreaming f.Page 38 The last but ne line: “… we have been managing t survive…”Page 39 Line 2: “We have been struggling fr days…”
Lk at the sentence in the present perfect cntinuus tense. Find mre examples frm the previus text and discuss the functin f the tense.
He is visiting the dctr.
The use f the present perfect cntinuus tense.
have / has been + v-ing
We use present perfect cntinuus tense fr actins that started in the past and cntinue in the present.
We use present perfect cntinuus tense fr actins that started in the past and have just finished but have cnsequences in the present.
2. 现在完成进行时的用法1）表示过去发生并持续到现在的动作Hw lng have yu been learning English? 你学习英语多久了？ She has been burning the midnight il t prepare fr GRE recently. 她最近在熬夜准备研究生入学资格考试。Tm has been playing the nline games fr mre than twenty hurs. 汤姆玩网游已经超过二十个小时了。His brther has been writing this nvel since last year. 他哥哥从去年起就一直在写这本小说。2）表示到目前为止的一段时间内重复进行的活动I have been telling yu nt t make truble. 我一直劝你不要找麻烦。The ld man has been repairing cars fr thirty years. 这个老人修汽车修了三十年了。Jack has been practising Tai Chi fr mre than a year. 杰克练太极一年多了。
（3）表示根据直接或间接的证据而得出结论His eyes are red. He has been wrking t hard recently. 他的眼睛红了，准是他最近工作太辛苦了。—I have gt a headache. 我头痛。— N wnder. Yu have been wrking in frnt f that cmputer t lng. 不足为奇。你在那台电脑前工作太久了。—I’m sure Andrew will win first prize in the final. 我相信安德鲁在决赛中会得第一名。—I think s. He has been preparing fr it fr mnths. （4）表达某种感情色彩:现在完成进行时有时带有强烈的表扬或厌恶等感情色彩。We’ve been lking frward t ur summer vacatin. 我们一直盼望着暑假。T much has been happening tday. 今天真是一个多事的日子。
学法点拨以下几类动词不能用于现在完成进行时： ① 表示感官、感觉：see，hear，smell 等； ② 表示爱憎：lve，prefer，mind 等； ③ 表示希望、意愿：wish，want，desire 等； ④ 表示相信、猜想：believe，think，suppse 等； ⑤ 非延续性动词。
现在完成进行时和现在完成时的区别
1. 在不同时间状语的情况下，现在完成进行时的 动作不一定已经完成，很可能持续下去，而现 在完成时一般表示动作已经完成。 即现在完成进行时强调动作的延续性，而现在 完成时强调动作的结果。
① I've been designing slar racing cars. ② I've designed five r six different cars.
我一直在设计太阳能赛车。
我已经设计五六辆小汽车了。
① I've been taking part in races fr fur years. ② Hw many races have yu taken part in?
我这四年一直在参加比赛。
2. 现在完成进行时往往表示动作在重复， 而现在完成时一般不表示动作的重复。
① Recently Mary has been ding sprts regularly. ② Recently Mary has dne her sprts regularly.
最近玛丽一直定期做运动。(有表扬意味)
最近玛丽定期做运动。(只说明一个事实)
3. 现在完成进行时与所有进行时态一样带有感 情色彩，可使表达显得生动，而现在完成时 往往只表明一个事实、一种影响或结果，不 带感情色彩。
Mre and mre schlars ________________________ in Silk Rad in recent years.
schlars,shw interest in,Silk Rad,in recent years
have been shwing interest
“APEC Blue” ___________________ since Nv. 11 2014 t hpe t make it a “new nrmal” in heavily plluted cities.
APEC Blue, use, since Nv. 11, 2014
has been being used
I ______________ Pita Bread Saked in Lamb Sup befre.
I,never, eat,befre
have never eaten
The first time I _________ (bserve) aliens in 1963 was frightening!
They ________________ t me since 1964. They speak English well!
have been talking
I als knw sme Yetis, snwmen n the Himalaya muntains. I _____ already _______ (take) a lt f phts f them.
I _________(watch) the Nessie Mnster in 1992 and _____________(knw) they are frmed because f natural factrs thrugh a lt f research.
Recently I ___________ (see) an unusual number f UFOs! They are really amazing!
I ________________ (write) a bk n UFOs since last Friday. I ________ (be) able t finish it early next year.
have been writing
Read each situatin and rewrite each a sentence using the present perfect cntinuus tense.
1. The dg started t bark abut tw hurs ag. I really hpe it will stp sn.The dg has been barking fr abut tw hurs. I really hpe it will stp sn.
2. Steve started t play rugby at the age f eight. Nw he has becme a prfessinal player.____________________________________________________________________________________________________
Steve has been playing rugby since the age f eight. Nw he has becme a prfessinal player.
3. Timmy is hlding a table tennis bat and his shrt hair is damp with sweat. He lks a little tired after playing table tennis fr tw hurs._________________________________________________________________________________________________________________________________________________________
Timmy is hlding a table tennis bat and his shrt hair is damp with sweat. He lks a little tired because he has been playing table tennis fr tw hurs.
4. Diane hasn’t gt much sleep this week. She lks terrible tday.________________________________________________________________________________________________________5. I tried t phne yu this mrning. I must have tried a dzen times befre I caught yu here. ________________________________________________________________________________________________________
Diane hasn’t been sleeping well this week. She lks terrible tday.
I have been trying t phne yu this mrning. I must have tried a dzen times befre I caught yu here.
Cmplete the sentences belw using the crrect tenses f the verbs in brackets. Then explain yur reasns t yur partner.
1. Fr the whle mrning, the bard f directrs _________________ (discuss) the reslutin t increase wages in the cming year. 2. Jasn’s nly recreatin is painting. He _________________ (learn) hw t paint fr ver five years.
has been discussing
has been learning
n. 决议；解决；坚定
3. Even thugh we lst the game, we shuld be prud f urselves because we _________ (try) ur best and ________ (wrk) as a team.He finally ________ (finish) the research paper under his tutr’s guidance.My nephew Sam _________________ (cllect) cmic bks since he was five. Nw he has mre than tw hundred f them.
has been cllecting
The cmpany ___________________________________ (launch) an advertising campaign t prmte its crprate image.
launched / is launching / has launched
Interview yur partner abut the things that he / she has been ding. The fllwing questins might help yu.
D yu have any hbbies r interests?Hw lng have yu been learning / playing …?What have yu been ding recently?
A: D yu have any hbbies?B: Sure. I have several hbbies such as table tennis, phtgraphy, and kite flying. But my favurite hbby is playing the guitar.A: Hw lng have yu been learning the guitar?B: I have been learning the guitar since I was eight years ld. I saw a vide f smene playing and I fell in lve with it.A: That’s great.
1. [2020 天津卷] - Yu are a great swimmer. - Thanks. It's because I __ a lt these days. A. have been prctising B. was practising C. wuld practise D. had practised
【解析】考察时态。句意：---你游泳很棒。---谢谢。这是因为这些天我一直在练习。根据时间状语these days(这些天)可知，“练习游泳”从数天前开始，一直持续到现在。因此该句应用现在完成进行时态。故选A。
2. [2019 北京卷] A retired engineer, 76-year-ld Wilsn______________ (ffer) free rides t cllege students fr the past eight years. 3. [2018 全国卷] Languages _________________________ (cme and g) fr thusands f years, but in recent times there has been less cming and a lt mre ging. 
has been ffering
has been cming and ging
Write a shrt reprt abut the things that yur partner has been ding recently accrding t yur interview. Remember t use the present perfect cntinuus tense.