Unit 2 Learning About Language （ppt课件）-新人教版（2019）《高中英语》选择性必修第三册.pptx

1、UNIT 2HEALTHY LIFESTYLEWe need to We need to make up our mindsmake up our minds and show some discipline and show some discipline，and make small changes over time.(and make small changes over time.(教材教材P16)P16)make up ones mindmake up ones mind下定决心下定决心change ones mindchange ones mind改变主意改变主意bear/kee

2、p.in mindbear/keep.in mind将将记在心中记在心中come into ones mindcome into ones mind进入某人的脑海进入某人的脑海mind ones own businessmind ones own business别管闲事别管闲事1 1背诵好句背诵好句You must keep in mind that once you have made up your You must keep in mind that once you have made up your mindmind，you mustnt change your mind unti

3、l you achieve your you mustnt change your mind until you achieve your initial goal.initial goal.Past sweet memories came into the consultants mind.Past sweet memories came into the consultants mind.The specialist in psychology addedThe specialist in psychology added，“Mind your own“Mind your own busi

4、ness and you will live in peace.”business and you will live in peace.”语段填空I will permanently _(将我的班主任的教导记在心中).It is because of him that I _ (下定决心)to get rid of my addiction to computer games.Whatever happens，I will never (改变我的主意).In my daily life，I will (管好自己的事情)and be completely absorbed in my stud

5、ies.keep/bear my headteachers instruction in mindhavemade up my mindchange my mindmind my own businessLife is Life is composedcomposed of many elements of many elements，such as familysuch as family，friendsfriends，studystudy，workwork，entertainmententertainment，and so on.(and so on.(教材教材P16)P16)compos

6、e compose vtvt.&.&vivi.组成；作曲；撰写组成；作曲；撰写(1)be composed of(1)be composed of由由组成组成(或构成或构成)的的(2)composition(2)composition n n.组成；构成；创作；作品组成；构成；创作；作品(3)be made up of(3)be made up of由由组成组成consist ofconsist of由由组成组成2 2好句背诵好句背诵The process of planting a tree is composed of/is made up The process of planting

7、a tree is composed of/is made up of/consists of digging a pitof/consists of digging a pit，putting a seedling(putting a seedling(树苗树苗)in)in，filling the pit with earth and watering it.filling the pit with earth and watering it.一句多译由个人或集体朗诵和才艺表演组成的中国古典文学朗诵比赛受到所有学生的欢迎。A Chinese Classics Reciting contest

8、 _ reciting Chinese classics individually or in a group and talent shows is popular with all the students.(运用定语从句)A Chinese Classics Reciting contest _ reciting Chinese classics individually or in a group and talent shows is popular with all the students.(运用分词作定语)which is composed of/is madeup of/co

9、nsists ofcomposed of/made up of/consisting ofMake small changes each day andMake small changes each day and your lifestyle will your lifestyle will become healthierbecome healthier.(.(教材教材P16)P16)祈使句祈使句andand陈述句陈述句(1)(1)祈使句祈使句andand陈述句陈述句 If.If.，主句，主句(2)(2)祈使句祈使句or/otherwise/or elseor/otherwise/or e

10、lse陈述句陈述句If.notIf.not主句主句(3)(3)名词词组名词词组andand陈述句陈述句温馨提示：上述结构中的陈述句多用一般将来时。温馨提示：上述结构中的陈述句多用一般将来时。3 3好句背诵好句背诵Form good habits of learning and you will improve your learning efficiency.If you form good habits of learning，you will improve your learning efficiency.Dont be too talkative，or/otherwise you ma

11、y leave a poor impression on others.If you are too talkative，you may leave a poor impression on others.A bit more effort，and you will make more progress in your English learning.句型转换句型转换If you make full preparations for exams，you will achieve high academic performances._ (改成改成“祈使句祈使句and.”)_ (改成分词作状语

12、改成分词作状语)Make full preparations for exams and you will achieve high academic performances.Making full preparations for exams，you will achieve highacademic performances.academic performances.Activity 1阅读下列句子，认真感悟加颜色部分，并完成方框下的小题。阅读下列句子，认真感悟加颜色部分，并完成方框下的小题。(1)However，during this period，it can be easy fo

13、r some of them to form bad habits.(2)To prevent harmful habits like these from dominating a teenagers life is essential.(3)To change bad habits is never easy，even with many attempts.(4)After all，it is not easy to break bad habits.1.1.以上句子中动词不定式都是以上句子中动词不定式都是作作 。2.2.句句(1)(1)和句和句(4)(4)中中itit作作 ，真正的主语是

14、后面真正的主语是后面的的 。主语主语形式主语形式主语动词不定式动词不定式Activity 2Activity 2语法语法一、基本用法一、基本用法动词不定式作主语时，谓语动词用单数。动词不定式作主语时，谓语动词用单数。To look after these naughty boys is really difficult.To look after these naughty boys is really difficult.照看这些淘气的男孩真的很难。照看这些淘气的男孩真的很难。为了避免头重脚轻，常用为了避免头重脚轻，常用itit作形式主语放在句首，作主语的不定式作形式主语放在句首，作主语的不

15、定式常置于句末。常置于句末。It would be better for you to go there.It would be better for you to go there.你还是去那里的好。你还是去那里的好。注意：注意：1.1.若要说明不定式表示的动作的发出者，要在不定式前加若要说明不定式表示的动作的发出者，要在不定式前加forfor引起的短语，构成引起的短语，构成“for“for名词名词(或代词宾格或代词宾格)不定式不定式”短语，短语，这一短语被称为不定式的复合结构。这一短语被称为不定式的复合结构。2.2.在在“It is“It isadjadj.不定式复合结构不定式复合结构”句

16、型中，当其中的形容词句型中，当其中的形容词是说明逻辑主语的性质、品质时，要由是说明逻辑主语的性质、品质时，要由ofof引出逻辑主语，不能用引出逻辑主语，不能用forfor。这类形容词主要有。这类形容词主要有cleverclever，foolishfoolish，kindkind，nicenice，politepolite，sillysilly，stupidstupid，wisewise等。等。Its very easy for him to work out this math problem.Its very easy for him to work out this math proble

17、m.对他来说解出这道数学题很容易。对他来说解出这道数学题很容易。It was careless of him to make such a mistake.It was careless of him to make such a mistake.He was careless to make such a mistake.He was careless to make such a mistake.犯了这样的错误，他太粗心了。犯了这样的错误，他太粗心了。二、动词不定式和动名词作主语的异同点二、动词不定式和动名词作主语的异同点1.1.动名词和不定式作主语的相同点动名词和不定式作主语的相同点(1

18、)(1)不定式和动名词作主语时，常常为了保持句子的平衡，用不定式和动名词作主语时，常常为了保持句子的平衡，用itit来来作形式主语，如：作形式主语，如：It is not easy to learn English well.It is not easy to learn English well.学好英语不容易。学好英语不容易。It is no use asking him for help.It is no use asking him for help.向他求助是没有用的向他求助是没有用的。(2)(2)如果主语用了不定式，表语和宾语也要用不定式；主语用了动如果主语用了不定式，表语和宾语也

19、要用不定式；主语用了动名词，表语和宾语也要用动名词，这在英语中称为对称性，如：名词，表语和宾语也要用动名词，这在英语中称为对称性，如：To see is to believe.To see is to believe.Seeing is believing.Seeing is believing.眼见为实。眼见为实。It is better to stay home than to go out.It is better to stay home than to go out.待在家里比出去要好待在家里比出去要好。2.2.动名词和不定式作主语的不同点动名词和不定式作主语的不同点(1)(1)不定

20、式作主语常表示具体的某一动作；表示泛指或一般的抽象不定式作主语常表示具体的某一动作；表示泛指或一般的抽象的概念时，多用动名词。的概念时，多用动名词。Walking is a good form of exercise for both the young and Walking is a good form of exercise for both the young and the old.the old.散步是一种老少皆宜的很好的运动形式。散步是一种老少皆宜的很好的运动形式。(2)(2)在在“It“Itbebeno use(good/help/needno use(good/help/ne

21、ed等等)”)”之后常用动名词作之后常用动名词作主语，而少用不定式。主语，而少用不定式。It is no use crying over the split milk.It is no use crying over the split milk.覆水难收。覆水难收。It is no help taking this medicine.It is no help taking this medicine.服用这种药没有用。服用这种药没有用。注意：如果该句型中用了注意：如果该句型中用了forfor引出不定式的逻辑主语，就只能用不引出不定式的逻辑主语，就只能用不定式。定式。It is no goo

22、d for us to do that exercise.It is no good for us to do that exercise.我们做那种练习没有好处。我们做那种练习没有好处。(3)(3)不定式可以和不定式可以和whenwhen，wherewhere，howhow，whatwhat，whetherwhether等连用，在句等连用，在句子中作主语、宾语和表语，而动名词则不能。子中作主语、宾语和表语，而动名词则不能。Where to put the box seems hard to decide.Where to put the box seems hard to decide.很难

23、决定把这个箱子放在哪里。很难决定把这个箱子放在哪里。Whether to do it hasnt been decided.Whether to do it hasnt been decided.是否做这件事还没定下来。是否做这件事还没定下来。.翻译句子翻译句子1.1.被邀请参加玛丽的生日派对是很荣幸的事情。被邀请参加玛丽的生日派对是很荣幸的事情。_2.2.我们难以在我们难以在1515分钟内写完这篇作文。分钟内写完这篇作文。_3.3.你把老师说的所有东西都记下来是愚蠢的。你把老师说的所有东西都记下来是愚蠢的。_Its a great honour to be invited to Marys

24、birthday party.It is difficult for us to finish writing the composition in a quarter of an hour.It is stupid of you to write down everything the teacher says.4.爱与被爱是一个人所能寻找的最大的幸福。爱与被爱是一个人所能寻找的最大的幸福。_5.他不给他们任何东西，这显得太自私了。他不给他们任何东西，这显得太自私了。_To love and to be loved is the greatest happiness one can seek

25、.It seemed selfish of him not to give them anything.1.(英语说得流利英语说得流利)is my dream.I am completely aware that it is difficult 2.(流利地说英语流利地说英语).So I asked my English teacher for help straight away.She gave me some advice.First of all，it is necessary for you 3._ (在任何可能的时候说英语在任何可能的时候说英语).Besides，it is ver

26、y important 4.(练习正确的发练习正确的发音音).All in all，it is possible for you 5.(擅长英语擅长英语口语口语)if you are hard-working enough.运用所学不定式作主语的知识补全下面短文运用所学不定式作主语的知识补全下面短文To be fluent in Englishto speak English fluentlyto speakEnglish whenever possibleto practice correct pronunciationto be good at oral EnglishThank you for listening!