高中英语外研版 (2019)选择性必修 第一册Unit 6 Nurturing nature课堂教学ppt课件

这是一份高中英语外研版 (2019)选择性必修 第一册Unit 6 Nurturing nature课堂教学ppt课件，共14页。
本单元重点语法 现在完成进行时
The train has been racing alng steadily since it left Xining.(教材 P62) b. All this time, the sng “Sky Railway” has been playing inside myhead.(教材 P62) c. Wild animals such as these Tibetan antelpes have nw been usingthese passages fr years. (教材 P63) d. The jurney has been flying by, and befre I knw it, we havereached Tanggula Statin. (教材 P63) e. The Qinghai-Tibet Plateau has been attracting peple’s admiratinfr centuries. (教材 P63)f. Nw, thanks t ur effrts, passengers frm all ver the cuntryhave been enjying these magical landscapes. (教材 P63)
◆ 现在完成进行时的构成
●第三人称单数：he/she/it + has been + 现在分词(ding)…
● 其它人称：I/we/yu/they + have been + 现在分词(ding)….
◆ 直现在完成进行时的用法
● 表示动作发生在过去并一直持续到现在. 这一动作可能刚停止，也可能继续进行下去，常与延续性动词连用。常带有动作起迄时间的状语，如：since last week; since 2018等或带有由 since 引导的时间状语从句；还可以是表示时间段的时间状语.如：fr an hur, fra few days, fr these days, 请观察以下句子
a. Tm has been wrking hard since the new term began.b. We have been making handcrafts fr ten years.c. He has been living here since 2015.d. They have been ding the experiment since last year.
※温馨告知：非延续性动词,如：end, finish, leave, start, begin, cme,G, marry 等不能用于现在完成进行时
● 表示到说话时为止的一段时间内一再重复的动作，常带有厌恶或赞美感激等感情色彩，请观察以下句子
a. He has been saying that twenty times.这话他已经说了二十遍了b. They have been calling n me several times this week.他们这个星期几次来看我c. The scientist has been ding the experiment many times this mnth.这个月这位科学家多次做这个实验
● 表示不久前刚结束的动作，这种语境通常根据上下文来判断，请观察以下句子
Srry! I’m late. Hw lng have yu been waiting fr me?抱歉，我来迟了. 你等了多次长时间？b. hell! At last! I have been telephning yu all the mrning.喂，可找着你了，我一早上都在给你打电话呢
● 某些不能用于进行时的动词同样也不能用于现在完成进行时，只能用于完成时，这类动词有：see, hear, knw, have(有）, like, be 等感官动词和某些表示思维活动的动词，请观察以下句子
a. I have been knwing him fr many years. (错误）I have knwn him fr many years. (正确）我认识他已经很多年了b. They have been seeing the film this week. (错误)They have seen the film this week. (正确)这周他们已经看过这部电影了
◆ 现在完成进行时的基本形式（以动词 d 为例），请观察下表
◆时现在完成时和现在完成进行时的区别
● 现在完成时表示曾经发生的动作对现在造成的影响或动作已经完成，而现在完成进行时则强调动作仍在继续，请观察以下句子
a. He has interviewed the famus table tennis player. 他采访了那位著名的乒乓球运动员b. He has been interviewing the famus table tennis player.他一直在采访那位著名的乒乓球运动员
● 现在完成时强调动作的最后结果，而现在完成进行时则强调动作的直接结果，请观察以下句子
The by has finished his hmewrk. He can g ut t play.这个男孩儿做完了作业，可以出去玩耍了Yu lk tired. What have yu been ding?你看起来很累的样子，你一直在做什么？
● 现在完成时有时可以和现在完成进行时互换, 但必须时延续性动词,如果强调动作的未完成性或持续性,多半用现在完成进行时, 请观察以下句子
a. The lady has lived in Shanghai fr three years.The lady has been living in Shanghai fr three years.b. The freigner has wrked in the cmpany these years.The freigner has been wrking in the cmpany these years.c. He has been living here since he was brn.
1. -- I’m sure Andrew will win the first prize in the final. -- I think s. He ________ fr it fr mnths. is preparing B. was preparing C. had been preparing D. has been preparing 2. By the time he realizes he _________ int a trap, it’ll be t late fr him t d anything abut it. A. walks B. walked C. has walked D. had walked 3. S far this year we _______ a fall in huse prices by between 5 and 10 percent.A. saw B. see C. had seen D. have seen
● 从 A、B、C、D. 四个选项中选出最佳选项
4. Cathy is taking ntes f the grammatical rules in class at Sunshine Schl, where she ______ English fr a year. studies B. studied C. is studying D. has been studying 5. Danny _________ hard fr lng t realize his dream and nw he is ppular. A. wrks B. is wrking C. has wrked D. had wrked 6. --I have gt a headache. --N wnder. Yu _______ in frnt f that cmputer t lng. wrk B. are wrking C. have been wrking D. wrked
7. The unemplyment rate in this district_______ frm 6% t 5% in the past tw years. has fallen B. had fallen C. is falling D. was falling 8. Nw that she is ut f jb, Lucy __________ ging back t schl，but she hasn’t decided yet.had cnsidered B. has been cnsidering C. cnsidered D. is ging t cnsider 9. --______ yu _____ him arund the museum yet? --Yes. We had a great time there. Have ; shwn B. D ; shw C. Had; shwn D. Did; shw
10. --Hi, Tracy，yu lk pale. --I am tired. I _______ the living rm all day. painted B. had painted C. have been painting D. have painted
● 用括号内动词的适当时态填空
1. All these years they _____________________ (cntribute) articles t ur magazine.2. I ______________________drink  cffee this afternn.  3. Yu knw, I ___________________ (lk) fr a jb fr three mnths,and this is my first frmal interview. 4. The little by is dirty all ver because he ________________ (play) in the mud all the mrning.  5. Here he is! We ___________________ (wait) anxiusly fr him since last night.
have been cntributing
have been drinking
have been lking
have been playing
have been waiting