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人教版 (2019)必修 第三册Unit 4 Space Exploration备课ppt课件
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这是一份人教版 (2019)必修 第三册Unit 4 Space Exploration备课ppt课件，共18页。PPT课件主要包含了to do，to improve，To learn，to find，to visit，to taste，①③⑥⑦⑧，to discuss，To discuss，同义句转换等内容，欢迎下载使用。
Read and pay attentin t the wrds in red.
Step 1. Lead in
Tianwen-1 is China's first missin t land n Mars.
Yang Liwei thught little f his persnal life t fcus n his wrk.
Step 2. Presentatin
动词不定式作定语和状语
一、动词不定式用作定语1. 动词不定式作定语常放在名词或不定代词后面作后置定语, 表示尚未发生的动作。Let us give him smething t eat. 让我们给他一些吃的东西。We have much hmewrk t d tnight. 今晚我们有很多作业要做。
2. 名词前有first, last, next, nly等词以及最高级修饰时, 其后要用动词不定式。She was the first wman t win the gld medal in the Olympic Games. 她是第一个在奥运会中赢得金牌的女性。
3. 抽象名词attempt, ability, chance, desire, determinatin, decisin, plan, way或不定代词smething, nthing等后面常用不定式作后置定语。But Janis Adkins has the ability and desire t d useful wrk. 但是詹尼斯·阿德金斯有能力和愿望去做有用的工作。
4. 当名词与定语之间存在动宾关系时。I usually have a lt f meetings t attend. 我通常有很多会议要参加。She is a nice persn t wrk with. 她是一个很好的合作伙伴。
5. 当名词与定语之间存在主谓关系时。We must find a persn t d the jb. 我们必须找到一个人来做这项工作。We need smene t g and get a dctr. 我们需要有人去请医生。
6. 当名词与定语有同位关系时。We gt the rder t leave the city. 我们接到了离开这个城市的命令。
【即学活用】语法填空(1) The airprt ______________(cmplete) next year will help prmte turism in this area. (2) D yu have anything _____(d) tnight? (3) The best way __________(imprve) yur English is t jin an English club.
t be cmpleted
二、动词不定式在句中作状语, 主要用来修饰动词和形容词, 也可用来修饰副词。在句中, 不定式可作目的状语、原因状语、结果状语、条件状语等, 可表示目的、原因及结果等。1. 目的状语, 置于句首或句末, 置于句首时常表示强调。为加强语气, 常与in rder或s as 组成短语。
A grup f yung peple gt tgether t discuss this questin. 一群年轻人聚在一起讨论这个问题。In rder t help him, we wuld d everything we can. 为了帮助他, 我们将尽我们所能。
不定式作目的状语(1)不定式作目的状语时, 其动作通常迟于谓语动词的动作。I said that t encurage him. 我这么说是为了鼓励他。
(2)置于句首时只用t d / in rder t d。如用于表示否定, in rder 或 s as不能省略, 用 in rder nt t d 或 s as nt t d形式。I walked quietly s as nt t disturb the baby. 我安静地走路, 以免打扰婴儿。
(3)不定式作目的状语可转换为 s that / in rder that 或 s. . . that . . . 引导的目的状语从句。He wrked very hard t pass the exam. →He wrked s hard that he culd pass the exam. →He wrked hard s that/in rder that he culd pass the exam. 他非常努力以便能通过考试。
2. 原因状语, 多见于“sb. +be+adj. +t d. . . ”结构句中。I was very sad t hear the news. 听到这个消息我很难过。
3. 结果状语, 多见于“t. . . t”; “enugh t. . . ”; nly t d(表示意料之外的结果的发生); s/such. . . as t(意为“如此……以至于……”)结构句中。 I’m t tired t d well. 我太累了做不好。He is ld enugh t g t schl . 他到上学的年龄了。
He rushed back, nly t find the bk missing. 他冲了回来, 却发现书不见了。 She is s prud as t lk dwn upn thers. 她太骄傲了, 看不起别人。
4. 独立动词不定式多用作插入语, 表示说话人的心理状态或对事情的看法。I’d like t stay healthy, but t be hnest, I nly eat fd that tastes gd. 我想保持健康, 但说实话, 我只吃味道好的食物。
【名师点津】现在分词与不定式作结果状语的区别(1)动词不定式作结果状语强调的是一种意想不到的结果。Anxiusly, she tk the dress ut f the package and tried it n, nly t find it didn’t fit.
(2)现在分词作结果状语强调的是一种顺承的, 必然造成的结果。His father passed away, leaving him a little mney.
【即学活用】语法填空(1) ___________(wrk ut) the difficult maths prblem, I have cnsulted Prfessr Russell several times. (2) ________(learn) mre abut Chinese culture, Jack has decided t take Chinese flk music as an elective curse.
(3)He hurried t the statin nly ______(find) the train had left. (4)(2018·全国卷Ⅱ)We travel n Day 2 t nrthern France ______(visit) the Wrld War Ⅰ battlefields. (5)(2018·全国卷Ⅲ) When the grillas and I frightened each ther, I was just glad ______(find) them alive.
(6)(2018·全国卷Ⅲ) Jin us _______(taste) a variety f fresh lcal fd and drinks.
(1)选出不定式作目的状语的句子①We must d everything we can t help them.②He left，never t return.③T d a gd jb，we must have the right tls.④We jumped with jy t hear the news.⑤She was t yung t understand all that.⑥She studied very hard t get high grades.⑦Many farmers fertilize their crps in rder t make them grw mre quickly.⑧We plant trees every year s as t prtect the sil n the hill.________________________________________________________________________
Step 3. Practice
一句多译我们将召开会议来讨论这种不健康的生活方式。①We’ll hld a meeting _____________________ the unhealthy lifestyle.②We’ll hld a meeting _____________________ the unhealthy lifestyle.③We’ll hld a meeting _____________________ the unhealthy lifestyle.④________________________ the unhealthy lifestyle，we’ll hld a meeting.⑤________________ the unhealthy lifestyle，we’ll hld a meeting.
in rder t discuss
s as t discuss
In rder t discuss
①We stayed in Beijing s that/in rder that we culd visit the Bird’s Nest.→We stayed in Beijing _____________________________ the Bird’s Nest.②We will d everything in rder that/s that they can live happily.→We will d everything _________________________.③We’ll hld a meeting fr yu t knw the prgramme.→We’ll hld a meeting ____________________ yu can knw the prgramme.
s as t/in rder t visit
fr them t live happily
in rder that
Wrk in grups.Tpic: Facts abut space explratinEg.
Step 4. Prductin
Read and pay attentin t the wrds in red.
Step 1. Lead in
Tianwen-1 is China's first missin t land n Mars.
Yang Liwei thught little f his persnal life t fcus n his wrk.
Step 2. Presentatin
动词不定式作定语和状语
一、动词不定式用作定语1. 动词不定式作定语常放在名词或不定代词后面作后置定语, 表示尚未发生的动作。Let us give him smething t eat. 让我们给他一些吃的东西。We have much hmewrk t d tnight. 今晚我们有很多作业要做。
2. 名词前有first, last, next, nly等词以及最高级修饰时, 其后要用动词不定式。She was the first wman t win the gld medal in the Olympic Games. 她是第一个在奥运会中赢得金牌的女性。
3. 抽象名词attempt, ability, chance, desire, determinatin, decisin, plan, way或不定代词smething, nthing等后面常用不定式作后置定语。But Janis Adkins has the ability and desire t d useful wrk. 但是詹尼斯·阿德金斯有能力和愿望去做有用的工作。
4. 当名词与定语之间存在动宾关系时。I usually have a lt f meetings t attend. 我通常有很多会议要参加。She is a nice persn t wrk with. 她是一个很好的合作伙伴。
5. 当名词与定语之间存在主谓关系时。We must find a persn t d the jb. 我们必须找到一个人来做这项工作。We need smene t g and get a dctr. 我们需要有人去请医生。
6. 当名词与定语有同位关系时。We gt the rder t leave the city. 我们接到了离开这个城市的命令。
【即学活用】语法填空(1) The airprt ______________(cmplete) next year will help prmte turism in this area. (2) D yu have anything _____(d) tnight? (3) The best way __________(imprve) yur English is t jin an English club.
t be cmpleted
二、动词不定式在句中作状语, 主要用来修饰动词和形容词, 也可用来修饰副词。在句中, 不定式可作目的状语、原因状语、结果状语、条件状语等, 可表示目的、原因及结果等。1. 目的状语, 置于句首或句末, 置于句首时常表示强调。为加强语气, 常与in rder或s as 组成短语。
A grup f yung peple gt tgether t discuss this questin. 一群年轻人聚在一起讨论这个问题。In rder t help him, we wuld d everything we can. 为了帮助他, 我们将尽我们所能。
不定式作目的状语(1)不定式作目的状语时, 其动作通常迟于谓语动词的动作。I said that t encurage him. 我这么说是为了鼓励他。
(2)置于句首时只用t d / in rder t d。如用于表示否定, in rder 或 s as不能省略, 用 in rder nt t d 或 s as nt t d形式。I walked quietly s as nt t disturb the baby. 我安静地走路, 以免打扰婴儿。
(3)不定式作目的状语可转换为 s that / in rder that 或 s. . . that . . . 引导的目的状语从句。He wrked very hard t pass the exam. →He wrked s hard that he culd pass the exam. →He wrked hard s that/in rder that he culd pass the exam. 他非常努力以便能通过考试。
2. 原因状语, 多见于“sb. +be+adj. +t d. . . ”结构句中。I was very sad t hear the news. 听到这个消息我很难过。
3. 结果状语, 多见于“t. . . t”; “enugh t. . . ”; nly t d(表示意料之外的结果的发生); s/such. . . as t(意为“如此……以至于……”)结构句中。 I’m t tired t d well. 我太累了做不好。He is ld enugh t g t schl . 他到上学的年龄了。
He rushed back, nly t find the bk missing. 他冲了回来, 却发现书不见了。 She is s prud as t lk dwn upn thers. 她太骄傲了, 看不起别人。
4. 独立动词不定式多用作插入语, 表示说话人的心理状态或对事情的看法。I’d like t stay healthy, but t be hnest, I nly eat fd that tastes gd. 我想保持健康, 但说实话, 我只吃味道好的食物。
【名师点津】现在分词与不定式作结果状语的区别(1)动词不定式作结果状语强调的是一种意想不到的结果。Anxiusly, she tk the dress ut f the package and tried it n, nly t find it didn’t fit.
(2)现在分词作结果状语强调的是一种顺承的, 必然造成的结果。His father passed away, leaving him a little mney.
【即学活用】语法填空(1) ___________(wrk ut) the difficult maths prblem, I have cnsulted Prfessr Russell several times. (2) ________(learn) mre abut Chinese culture, Jack has decided t take Chinese flk music as an elective curse.
(3)He hurried t the statin nly ______(find) the train had left. (4)(2018·全国卷Ⅱ)We travel n Day 2 t nrthern France ______(visit) the Wrld War Ⅰ battlefields. (5)(2018·全国卷Ⅲ) When the grillas and I frightened each ther, I was just glad ______(find) them alive.
(6)(2018·全国卷Ⅲ) Jin us _______(taste) a variety f fresh lcal fd and drinks.
(1)选出不定式作目的状语的句子①We must d everything we can t help them.②He left，never t return.③T d a gd jb，we must have the right tls.④We jumped with jy t hear the news.⑤She was t yung t understand all that.⑥She studied very hard t get high grades.⑦Many farmers fertilize their crps in rder t make them grw mre quickly.⑧We plant trees every year s as t prtect the sil n the hill.________________________________________________________________________
Step 3. Practice
一句多译我们将召开会议来讨论这种不健康的生活方式。①We’ll hld a meeting _____________________ the unhealthy lifestyle.②We’ll hld a meeting _____________________ the unhealthy lifestyle.③We’ll hld a meeting _____________________ the unhealthy lifestyle.④________________________ the unhealthy lifestyle，we’ll hld a meeting.⑤________________ the unhealthy lifestyle，we’ll hld a meeting.
in rder t discuss
s as t discuss
In rder t discuss
①We stayed in Beijing s that/in rder that we culd visit the Bird’s Nest.→We stayed in Beijing _____________________________ the Bird’s Nest.②We will d everything in rder that/s that they can live happily.→We will d everything _________________________.③We’ll hld a meeting fr yu t knw the prgramme.→We’ll hld a meeting ____________________ yu can knw the prgramme.
s as t/in rder t visit
fr them t live happily
in rder that
Wrk in grups.Tpic: Facts abut space explratinEg.
Step 4. Prductin
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