高中Unit 2 Wildlife protection课前预习ppt课件

这是一份高中Unit 2 Wildlife protection课前预习ppt课件，共17页。PPT课件主要包含了语法精讲·思维构建，are being，collected， discussed，学情诊断•课堂测评，under等内容，欢迎下载使用。

现在进行时的被动语态【语法感知】观察下列课文原句并思考黑体部分的结构和用法1. I knw that they ’re being hunted and their habitat is getting smaller. 2. They are being hunted, illegally, fr their valuable fur. 3. Much is being dne t prtect wildlife, but if we really want t save the planet, we must change ur way f life.
【归纳填空】答案: 1. be(am/is/are); being dne
【语法精讲】一、现在进行时的被动语态的基本结构
*The fast fd delivery service, new and emerging, is being chased by many fd business tycns. 新兴快餐外卖服务正受到很多餐饮巨头的追捧。*E-tickets are nw being made available fr travel n nrmal-speed trains. 如今, 普通速度的火车也可以使用电子票了。*The tw-week art exhibitin is being held in ur gym. → Is the tw-week art exhibitin being held in ur gym? (一般疑问句)→Where is the tw-week art exhibitin being held? (特殊疑问句)
【即学活用】(1)Frm yur website I ’ve learned that tpics which interest us ________ ________.  从你的网站我得知我们感兴趣的话题正在被收集。(2)The rivers and lakes in this area ________________by this factry.  这个地区的河流和湖泊正在受这家工厂的污染。 (3)Can yu tell me _________________________nw?  你能告诉我聚会现在在哪儿举行吗?
are being plluted
where the party is being held
二、现在进行时的被动语态的基本用法1. 表示此刻正在被进行的动作, 常与nw, lk等词连用。*Our manager is being interviewed by a reprter in the next meeting rm nw. 现在我们的经理正在隔壁的会议室接受一位记者的采访。2. 表示现阶段正在被进行的动作, 但此动作不一定在此时此刻发生。*Frests are being cut dwn t make way fr crps r farm animals, especially in less develped cuntries. 森林砍伐主要是为了种植庄稼或饲养家畜, 特别是在欠发达国家。
3. 表示按计划主语将要承受的某个动作。*A birthday party is being held tnight. 今晚将要举行一场生日聚会。4. 表示经常的被动行为, 常和always, ften, cnstantly等词连用(表示某种感情色彩)。*Tm is always being praised by the teacher. 汤姆总是受到老师的表扬。
三、使用现在进行时的被动语态应注意的问题1. 在现在进行时的被动语态中be(am/is/are)为第一助动词, being为第二助动词, 缺一不可, 且位置不可互换。*Trees n the hills have been cut dwn and waste water is being pured cntinuusly int rivers. 山上的树木已经被砍伐, 废水正不断地排入河中。2. 当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。*We are glad t see that thse ld peple are being taken gd care f nw. 我们很高兴看到那些老人现在正被很好地照料。
3. “be(am/is/are)+under/in+n. ”有时可相当于现在进行时的被动语态。*The intrductin f new advanced techniques in the factry is under discussin tday. =The intrductin f new advanced techniques in the factry is being discussed tday. 在工厂采用新的先进技术的问题是今天的议题。4. 有时表“状态, 心理活动, 情感”等的动词, 常用在一般现在时的被动语态中表示“正在进行”。*The runaway f the traffic accident is wanted by the plice. 警方正在通缉交通事故的逃逸者。
【即学活用】(1)I ’m writing t tell yu that the Chinese Petry Cmpetitin ___________in ur schl.  我正写信告诉你中国诗歌比赛正在我们学校举行。(2)That is because many animals ______________withut mercy by hunters.  那是因为很多动物正被猎人无情地杀害。(3)Hw t better push ahead with the prject _________________________________.  如何更好地推进这个项目正在讨论中。
is being held
are being killed
is under discussin/is being
(4)The mvement “Bks n the undergrund” _________________in Lndn these days.  这段时间, 地铁传书计划正在伦敦开展。
is being carried ut
Ⅰ. 单句语法填空1. Reading Classic Bks ___________(hld) in ur schl, which is very ppular with the students.  2. Lk ut! Yu ________________(fllw) by a stranger.  3. They are living with their parents fr the mment because their wn huse ______________(rebuild).  4. The by _____________(teach)hw t ck fish by his mther nw.  5. Can I use yur cmputer? Mine _______________(repair) at present.  
are being fllwed
being rebuilt
is being taught
is being repaired
6. Wait a minute. The dishes fr the dinner _______________(ck) in the kitchen.  7. S many things _____________(d) here t prevent air pllutin.  8. We can hear that the papers _______________(print) quickly n the fast-mving printing machines.  9. Hw the plan will be carried ut is ______discussin.  10. Wait a minute, please. The file __________________(dwnlad) by anther persn.  
are being cked
are being dne
are being printed
is being dwnladed
Ⅱ. 同义句转换1. Several reprters are questining her nw. →She _________________by several reprters nw.  2. An ld man is lking after these children nw. →These children ___________________by an ld man nw.  3. They are hlding a birthday party fr Tm n his sixteenth birthday. →A birthday party ___________fr Tm n his sixteenth birthday.  4. The students are translating the bk int English. →The bk ____________________English by the students.  
is being questined
are being lked after
is being translated int
5. The dctr is perating n the patient inside nw. →The patient __________________by the dctr inside nw.  6. They are studying the life f the panda at present. →The life f the panda ______________at present by them.  7. We have t take anther rad because this rad is under repair. →We have t take anther rad because this rad _______________.  
is being perated n
is being studied