高中英语Unit 3 Diverse Cultures公开课ppt课件

这是一份高中英语Unit 3 Diverse Cultures公开课ppt课件，共17页。PPT课件主要包含了现在完成时，was given等内容，欢迎下载使用。

She has finished her hmewrk.
Smene has brken the windw.
Activity 1 Describe the pictures with Present perfect tense.
表示说话时已经完成的动作，而且这个动作的结果对现在仍有影响
He has taught in ur schl fr 30 years.
表示动作发生在过去，但一直持续到现在，并且有可能继续持续下去
The enemy has killed yu.
Yu have been killed by the enemy.
Activity 2 Cmpare the sentences and find ut the difference
1.I guess yu have been asked abut the title f yur bk befre.2. I guess smene has asked yu abut the title f yur bk inventins like 3D printers have been used t make replacement hearts and bne parts.4. Peple have used new inventins like 3D printers t make replacement hearts and bne parts.
找出下面句子的谓语结构，哪些是主动？哪些是被动？
The New Age f Inventin has just been published.2. In additin, imprtant advances have been made in medicine and envirnmental science thanks t increasing cmputer pwer.3. I’ve als been tld that yu’re an inventr yurself.4. Nthing like this has been invented yet and I’d say……
Lk fr mre sentences with the present perfect passive.
1.现在完成时谓语结构
have/has dne
have/has been dne
2.常连用的时间状语有： recently , fr+段时间，since +时间状语(从句)，these days, s far, up t nw, in/ during/ ver the last/ past few years/mnths/ weeks/hurs
1.表过去开始的被动动作一直持续到现在.
Activity 3 Explanatin:现在完成时的被动语态
His Chinese has been imprved a lt since he came t China.
Rwling’s nvels have been translated int many freign languages s far.
2) 表某被动动作对现在造成的影响或结果
The rad has already been built fr mre than ne year.
happen, take place,break ut, belng t, cst,last等不及物动词或词无被动语态。
e.g. Great changes havetaken place in China since1978.
1.Rewrite the underlined parts using the present perfect passive.
Within the next 80 years, ur lives may be changed beynd recgnitin by 3D printing. It has already affected many things in ur lives, right dwn t the fd we eat. Fr instance, sme restaurants in Lndn have served 3D-printed hamburgers t custmers.
Many things in ur lives have
3D-printed hamburgers have been served t custmers in sme restaurants in Lndn.
already been affected
Activity 4 Cnslidatin
But perhaps the mst significant success that peple have achieved t date is in medicine. They have made human bdy parts, including a beating heart, with 3D printing technlgy. And it is nt just humans wh are benefiting- in Brazil, peple have given a new 3D-printed shell t a turtle injured in a frest fire!
But perhaps the mst significant success that has been achieved t date is in medicine.
Human bdy parts, including a beating heart, have been made with 3D printing technlgy.
A new 3D-printed shell has been given t a turtle injured in a frest fire!
2. Imagine yu are Dr Mre. Lk at the pictures and tell the plice abut the damage and lss t yur lab. Use the present perfect passive where apprpriate.
The windw has been brken.The lck n the dr has been brken.
My tw laptps have been stlen.Beakers and test tubes have been destryed.The bk case has been pened, and sme files have been taken away while thers have been thrwn everywhere.The rbt has been damaged.
3.用括号内动词的正确形式填空。1. The same mistake _______________ (make) many times. 2. Mre than 100 famus films ________________ (shw) in the city since July. 3. Fr his tenth birthday, Carl wanted a bicycle but ________ (give) a guitar by his parents.4. Althugh it _______________ (play) many times, he still lves it.  5. Three new schls _______________ (pen) in ur city in the past 5 years.
has been made  
have been shwn
has been played
have been pened