人教版 (2019)必修 第二册Unit 2 Wildlife protection课文ppt课件

这是一份人教版 (2019)必修 第二册Unit 2 Wildlife protection课文ppt课件，共14页。PPT课件主要包含了Lead-in，Practice，Task 1 ，Task 2 ，Task 3 等内容，欢迎下载使用。

Teaching bjectives:
By the end f this perid, yu will be able t…
1. master the usage f past participles’ serving as predicative.2. master the usage f past participles’ serving as adverbial .3. use past participles freely in their cmmunicatin.
Describe the fllwing pictures.
The by is a_________ in reading a bk.
The peple are e______.
The by is s______.
Past participle serving as the predicative.
Explring the differences
Observe the fllwing sentences and find ut the differences between verb-ed and verb-ing as adjectives.
1.The news that Man Wenjun tk drugs was very surprising.2. At the news that Man Wenjun tk drugs ,we felt surprised.
3. Yur perfrmances are satisfying.4. I am satisfied with yur perfrmances.5. The cup is brken.
现在分词作表语时，句子主语多是物，它表示给别人造成的感觉，表示主动意义；而过去分词作表语时，句子主语多是人，表示主语的感受，表示被动意义；句子主语是物时，表示主语所处的状态。
Task 1 Linda is talking with his father. Use the crrect frm f the verb t fill in each blank.
tired (2) burned (3) bred (4) disappinting (5) pleased (6) challenging (7) relaxed
Task 2 Play a game每人说一个含有过去分词作表语的句子(看哪组说得又快又好)。 (参考词汇：excited, frightened, puzzled, astnished, interested, pleased, delighted, disappinted, lst, satisfied, surprised, wrried, tired, brken…)
The girl is frightened t see snakes.I am puzzled at the math prblem.Mst middle schl students are interested in reading English nvels.I am delighted t hear frm yu.Tm felt disappinted t hear that his invitatin was turned dwn.My mther is nt wrried abut my study.
Past participle serving as the adverbial
Observe and learn
Lk at the fllwing sentences and underline the past participles. In pairs, discuss their functins.
1.Brn in the USA n 2 January 1970, Whitacre began studying music at the University f Nevada in 1988.2. Mved by this music, he said, “It was like seeing clr fr the first time.”3. Inspired, he asked his fans t make vides, which he then jined tgether int ne perfrmance.
Observe the sentences again and figure ut the relatinship between the understd subject f the verb-ed and the subject f the main clause.
1. Brn in the USA n 2 January 1970, Whitacre began studying music at the University f Nevada in 1988.2. Mved by this music, he said, “It was like seeing clr fr the first time.”3. Inspired, he asked his fans t make vides, which he then jined tgether int ne perfrmance.
A verb-ed frm has an understd subject. The understd subject is usually the same as the subject f the main clause. The verb-ed frm is passive in meaning.
Observe the fllwing sentences and think abut what meaning the verb-ed phrases express. 1. Asked why he was against clning humans, the scientist explained that it might lead t disaster.2. Shcked by the article, the wman wrte a letter t the newspaper.3. Heated, the metal will expand.
1. The verb-ed phrase “ Asked why…” expresses “time”. It can be changed int an adverbial clause, “When he was asked why he was against clning humans”.2. The verb-ed phrase “ Shcked by…” expresses “reasn”. It can be changed int an adverbial clause. “Because she was shcked by the article”.3. The verb-ed phrase “ Heated ” expresses “cnditin”. It can be changed int an adverbial clause. “If the metal is heated”.
Task 4 Rewrite the fllwing sentences using past participles as the adverbial and think abut what are the differences between the riginal sentences and the rewritten nes.1. Henry was highly interested in music and began t write riginal cmpsitins when he was in high schl.2. They were pleased with his music and sngs and finally invited him t perfrm in the Silver Hall.3. Thugh he was affected by gradual blindness sn after the perfrmance, Henry was still capable f writing cmpsitins and he fund that creating music was a relief and cure fr his illness.4. When he gt absrbed in his wrld f music, he felt as if he culd “see” the beauty f the wrld arund him, like he had in his previus life.
1. Highly interested in music, Henry began t write riginal cmpsitins when he was in high schl.2. Pleased with his music and sngs, they finally invited him t perfrm in the Silver Hall.3. Thugh affected by gradual blindness sn after the perfrmance, Henry was still capable f writing cmpsitins and he fund that creating music was a relief and cure fr his illness.4. Absrbed in his wrld f music, he felt as if he culd “see” the beauty f the wrld arund him, like he had in his previus life.
改写后的句子在表达上更为简洁和凝练，是一种较高级的语言组织方式，同时突出了句子的表达重心，在正式文体中使用较多。
Task 5 Summary
Cnslidatin
Cmplete the passage with the wrds in brackets in their crrect frms.
Well-knwn as a successful band, the Impact members shw quite a few striking qualities. They never ever give up. When ____________(questin) by the media, they are nt ___________(discurage) and practise even harder. They are imprving themselves by attending several master training classes. They are united. ______ (fill) with team spirit, they act as a whle, always aiming fr glry.