人教版 (2019)必修 第二册Unit 2 Wildlife protection课堂教学ppt课件

这是一份人教版 (2019)必修 第二册Unit 2 Wildlife protection课堂教学ppt课件，共15页。PPT课件主要包含了The house， the house，someone ，Someone，them ，They，Examples，Practice，这条路正在被修建， 一句多译等内容，欢迎下载使用。
The wrkers are building the huse.
the wrkers.
What are the wrkers ding ？
is being built by
are building
谓语变被动 （时态不变） be+being+dne+by
Smene is hunting African elephant.
African elephant
is being hunted by
is hunting
( )
They are hunting Tibetan antelpes.
Tibetan antelpes
are being hunted by
are hunting
( )
Pandas are being prtected in Wlng Natural Reserve.
Summarize the structure
Frm abve the pictures, we can knw that the structure f present cntinuus passive vice:
be(am/is/are) + being + dne
Other frms:
be(am/is/are)＋being dne
be(am/is/are)＋nt＋being dne
be(am/is/are)＋主语＋being dne
特殊疑问词＋be(am/is/are)＋主语＋being dne
1. The plan _______________ this mnth.(肯定句) 计划本月正在执行。2. Yur cmputer __________________ nw.(否定句) 现在没人修理你的电脑。3. ____ these fields ___________ this week？(一般疑问句) 这周有人在给这些地浇水吗？4. Where ____ yu _______________ nw？(特殊疑问句) 现在你们在哪里接受面试？
is being carried ut
is nt being repaired
Usage / Functins
1. 表示此时此刻正在进行的被动动作。
My sister is nw being interviewed.
2.表示现阶段正在进行的被动动作(该动作在说话的瞬间未必正在进行)。
Many interesting experiments are being carried ut these days.(说话时，并不一定正在进行)
3．表示一种经常性的被动行为，常和always，cnstantly 等表示频度的副词连用，这种用法常常带有赞扬或厌恶的感情色彩。
He is always being praised by the leader.
4．表示按计划或安排主语将要承受谓语动词所表示的动作(仅限于少数及物动词)。
A party is being held tnight.
Special cases
1.像take care f, lk after, talk abut, think f等动词与介词构成的短语用于现在进行时的被动语态时, 其中的介词不可省略。
The ways t stp illegally hunting are being talked abut.
2．可与部分情态动词连用，表示对正在发生的事情的推测。
She may be being punished by her mther.
3．有时可表示按计划或安排将要进行的一个被动动作。
A celebratin is being held this weekend fr his success.
4．某些表示“状态、心理活动、存在”等的动词，如have，want，need，lve，一般不用现在进行时的被动语态，而常用一般现在时的被动语态。
With the ppulatin increasing，mre land is needed.
5．“be＋under/in＋n.”可表示现在进行时的被动意义。
My cmputer is under repair.
＝My cmputer is being repaired.
1.关于在哪儿建厂的问题正在被讨论。The questin abut where is the factry ging t be built ________________ nw.2.正在设计一个保护自然资源的项目。A prject abut prtecting the natural resurces ________________．3.受到攻击时应保持冷静。Yu shuld stay cl when yu __________________．4.我感到很迷惑，我们商店的商品老是被偷。I feel very puzzled that the gds in ur shp __________________．
is being discussed　
is being designed　
are being attacked　
are always being stlen　
___________________________________(cnstructin)
___________________________________(cnstruct)
The rad is under cnstructin nw.
The rad is being cnstructed nw.