人教高中英语必修3-U4
人教高中英语必修3Unit4Grammar共28张
2.主语从句后置!
为了避免主语冗长 ,句子头重脚轻 ,经常用it 作 形式主语 ,主语从句放在后面作真正的主语 .
例:
That we shall be late is certain. -- It ' s certain that we shall be late.
1. That the earth is round is known to all.
(obvious, true,natural,surprising,necessary,important, possible, likely, certain, probable, etc.)
It is necessary that… It is important that …. It is obvious that……
二 主语从句的位置： 1.通常放在主句谓语动词之前
That she left him hurts him so much .
That I can enter a key university is my dream.
Whether we ' ll go camping tomorrow depends on the weather
Every life is a boat, the dream is the boat sail. 每个人的生命都是一只小船，梦想是小船的风帆。 Your future depends on your dreams. 你的梦想决定着你的未来
Your dream?
Don't let your dreams just be dreams. 别让你的梦想只是梦想。 It is worth fighting for it 值得为之拼搏 To accomplish your dream,you must act. 要想成就梦想，必须行动。
人教英语必修三-第四单元PPT课件
any possible harm.
.
9
选择： 1). Let nothing _D___ you doing your duty. A. keep B. have C. protect D. prevent 2). –What _C__ you to come to the party?
-An unexpected accident ___ me going. A. prevented; forbade B. protected; forbade C. forbade; prevented D. stopped; kept 3). He put on his sunglasses to _D__ his eyes from the strong sunlight. A. prevent B. stop C. . keep D. protect 10
17
填空：
1) The driver _p_u_l_le_d__u_p__ at the traffic lights.
2) The train _p_u_l_le_d__in___ right on time.
3) The cinema she used to visit had been _p_u_l_le_d__d_o_w_n__.
1. in time (for sth /to do sth) 1) not late 及时 eg. She will be back in time for dinner /
to have dinner. 2) after a long period of time 终于，迟早 eg. Your hard work will pay off in time.
翻译：His present boss who presented
人教版高一英语必修三Unit4-grammar-(共15张PPT)
• However, what the teacher explained ______every students. That’s to say, what the teacher explained remains _______ or every student was ____ at/by what the teacher explained.
interest interest(兴 interesting interested
使…感兴趣 趣）
令人感兴趣的
satisfy
使…满意 (足)
satisfaction satisfying satisfied （满足感） 令人满意的
please
pleasure pleasing pleased
使…开心 （开心） 令人愉悦的
3. Suffix 后缀 （构词法的一种）
1. art (艺术）
1. artist
1. artistic
2. physics（物理学）2. physicist 2. physical
3. chemistry（化学）3. chemist 3. chemical
4. biology（生物学）4. biologist 4. biological
• Thus, there are ______looks on every students’ face.
• In short, the _______problems puzzled everyone again.
amaze worry terrify impress horrify
V
n
Adj
人教课标版高中英语必修3Unit4_Grammar_名师课件(一)
What happened today was unbelievable...
What happened today was unbelievable...
Homework
1. Exercises of “Discovering useful structures” ;
2. 《新课程 新练习》“Grammar”部 分。
Who will win the match is not clear.谁将赢得比赛还不清楚。
Whatever I have done is for you.我做的一切都是为了你。
Guide words:
(3) 连接副词 where, when, how, why.
如：
How this happened is not clear to anyone. 这事怎样发生的，
Basic rules in subject clauses
2.在主语从句中，连词that不能省略。
That our class is a united one is without question.
That we finally won the match excited us a lot．
Basic runce serving as the subject is called Subject Clause.
人教高中英语必修3Unit4Grammar(共23张PPT)
二. 动名词作宾语
① 只能后接动名词作宾语的动词, 常见的有avoid, consider, enjoy, keep, finish, suggest, dislike, delay, escape, imagine, mind, miss, practise, 等
常见的动词短语有：
insist on , be good at , lead to , put off , give up , look forward to , feel like, get used to , pay attention to， p doing与stop to do: stop doing 停 止做，stop to do停下正在干的事去干 另一件事。如：
1) 我们停止了交谈。 _W__e_s_t_o_p_p_e_d_t_a_l_k_in_g_．___________
2) 我们停了下来去谈话。 _W__e_s_t_o_p_p_e_d_t_o__ta_l_k_．___________
try to do 努力做某事 try doing 试着做某事
mean to do 想要做某事 mean doing 意味着做某事
stop to do 停下来去做某事 stop doing 停止做某事
1) I remember posting the letter． 我记得我已把信寄了。
2) I’ll remember to post the letter． 我会记着去寄信的。
4) 晚饭后你想和我一起散步吗? Do youf_e_e_l _li_k_e_h_a_v_i_n_g__a_w_a_l_k_ with me after supper?
5)人们忍不住嘲笑那个愚蠢的人。 People c_o_u_l_d_n_’_t_h_e_lp__l_a_u_g_h_in_g__a_t_t_h_a_t foolish man．
高中英语人教版必修3 Unit4Grammar
2. That Jay Zhou will come to my city
excites everybody. 该句中主语从句是 _T_h_a_t_J_a_y__Z_h_o_u__w_i_ll_ _c_o_m_e__to__m_y__c_it_y_，引导词为__th_a_t_。 3. Whether we will travel abroad or not
What it was to become was uncertain until between 4.5 and 3.8 billion years ago… …it was not clear whether the shape would last or not. 通过观察，我们发现两句当中划线部分 的句子都在复合句中起名词的作用，因 此称之为主语从句。
2. whether与if引导主语从句 如果主语从句置于句首，不能用if
引导，此时，需用whether。但如果用 it作形式主语，而把主语从句放在句末 时，也可以用if引导。
【巩固练习】 用whether或if填空。 (1) It doesn’t matter _w_h_e_t_h_e_r_/_i_f_ he will come or not. (2) _W__h_e_th__er_ we’ll go camping tomorrow depends on the weather. (3) It was doubtful _w_h_e_t_h_e_r_/_i_f_ Tom really saw Sharon. (4) _W__h_e_th__er_ Tom really saw Sharon was doubtful.
人教高中英语必修3Unit4grammarPPT课堂课件(19页)
↓↓
↓
↓
↓
↓
主谓 定
宾同
状
语语 语
语位
语
语
次要成分
主要成分
❖主语
定语 状语
在句子中，谓语动词不能 表达一个完整的意思，必 须与词、短语、句子之间
❖谓语 例1 补语
❖宾语
表语
例2例3例4 形成一定的组合关系，按 照不同的关系，可以把句 子分为不同的组成成分及
同位语
不同的从句。
2.That he will win the match is certain. (主语从句)
人教高中英语必修3Unit4grammarPPT 课堂课 件(19页 )（ -精精品品P）PT课 件
判断以下句子名词性从句中的哪种从句
1. Who leaves the lab last should turn off the lights and lock the door. 谁最后离开实验室要关灯锁门。 (主语从句)
4. Whoever goes against nature will be punished.
不管谁违背自然将会受到惩罚。
(主语从句)
5. We haven’t decided whether we’ll go
camping at the weekend. 我们还没有决定是否这个周末我们进行宿
营活动。
谓语动词需用"should+动词原形" 3. 语序：陈述句语序
人教高中英语必修3Unit4grammarPPT 课堂课 件(19页 )（ -精精品品P）PT课 件
人教高中英语必修3Unit4grammarPPT 课堂课 件(19页 )（ -精精品品P）PT课 件
人教版高中英语必修三Unit4
Unit 4 Astronomy: the science of the starsPeriod 1Warming up and reading教学设计P a r t O n e:学情分析（一）Analysis of the students一般特征：高一学生，虽然经过了初中三年的学习，但所掌握的单词量少，基础不扎实，大部分学生学习英语的兴趣低。
但学生对课堂设置的学习活动参与性较好，更有多媒体的辅助教学，让学生感受真实情景，并且学习多一点的相关课外知识。
因此，将知识直观呈现，使学生感觉更容易掌握，调动学生学习英语的兴趣和积极性。
（二）Analysis of teaching materiali)Status and function1. This is the first teaching period of this unit.2. This unit mainly talks about astronomy which can arouse students’interest and curiosity.3. Students have learnt some knowledge about science and astronomy, so at the beginning of the class, the teacher can lead in the topic of the unit by having a quiz about science and astronomy, then turn to Warming up by discussing these two questions:（1）. What are the names of the eight planets that circle our sun?（2）.How life began on the earth?4.Pre-reading is to remind students that the origin of life on the earth and ask students what they know about these and then let them predict what information will be introduced in the next part Reading.5.The reading passage provides students a brief introduction on how the universe developed and how life began on the earth.ii) Teaching aims and demandsAccording to the New Standard English Course and the fact of my students, the teaching aims should be :1. Knowledge Objects（1）To learn the useful new words and expressions in this part: astronomy, system, religion, theory, billion, globe, violent, atmosphere, unlike, fundamental, harmful, chain, multiply, exist, thus, puzzle, solar system, in time, lay eggs, give birth to, in one’s turn, prevent. . . from （2）To learn about the development of the earth.2. Ability Objects（1）To improve the ability of getting information by reading.（2）To enable students to know about the development of the earth. 3. Moral Objects（1) Train stude nts’ interest in science and stimulate their love for astronomy.(2) Enable students to concern about the future of life on the earth.4.Teaching important points（1）. Help students communicate on the topic by using the words, expression and structures learnt in this passage.（2）. Get students to learn different reading skills, especially the reading ability of understanding implied meaning of the author.5. Teaching difficult pointsEnable students to understand the passage and know about the development of the earth, and develop the ability of skimming and scanning.6.Teaching aidsA multimedia computer, blackboard, a tape recorder,Part Two:Teaching methodsAccording the teaching importance and difficulties, and the fact of the students, choose the Communicative Approach and TBLT as the main teaching methods. Some students are lack of courage and independent thinking abilities. So the teacher will be the guider. Many tasks require all the students to take part in, they have many chances to exercise their oral English with their classmates. Students will work not only individually, but also in pairs, groups and teams.1.Multimedia Computer Assisted Instruction2. Task-based Language Teaching3. Communicative Approach;Part Three:Teaching proceduresStep 1 Warming-up and leading inThe purpose is to arouse the students’ interest of study.1. Let students brainstorm the following questions:(1). How old is the earth?A. About 3.5 billion yearsB. About 4.5 billion yearsC. About 5.5 billion yearsD. About 6.5 billion years(2). ______ of the earth surface is coveredby water.A. 20%B. 30%C. 50%D. 70%(3). How many planets are there in the Solar System?A. 6B. 7C. 8D. 9(4). How long does the rotation (自转) of the earth take?A. 12 hoursB. 24 hoursC. a monthD. 365 days Step 2 Pre-reading1.Let students think about the following questions and then discuss them with their partners.(1). In our solar system eight planets circle around the sun. What are they? Can you match the names with the planets?VenusEarthMarsMercuryJupiterNeptuneSaturn(2) Each religion and culture has its own ideas about how life began on earth. What do you know about them?2. Let them tell their stories. Encourage them to tell different stories. If they don’t know any, tell them some, for example, Pangu separated the sky from the earth, Pangu turned into a myriad of things, Nuwa made men, and so on.3. Ask them to read the title and look at the pictures. Predict what the reading will be about.Step 3 Reading1. Fast readingGet students to read the passage carefully and match the main idea with each paragraph.Para. 1 The formation (形成) of the earth.Para. 2 The importance of water for life.Para. 3 A widely accepted theory about the formation of theuniverse.Para. 4 The arrival of humans and their impact on the earth. Para. 5 The development of plants and animals on the earth.2. Intensive readingAllow students to read the passage carefully this time to get the important details, and then finish the following:Task1.Choose True (T) or False (F).1. The earth appeared before the Big Bang happened.2. The original atmosphere consisted of nitrogen and oxygen.3. The main difference between the earth and other planets is that there is water on the earth.4. Life began in water and then on land.5. Mammals appeared before the development of dinosaurs.6. Dinosaurs could give birth to young baby animals and produced milk to feed them.7. Human beings produce too much carbon dioxide which causes the global warming on the earth.8. According to the text, human beings would disappear in the end.Task 2Put the order of development of life into a time line.（）A Insects and amphibians appeared.（）B Dinosaurs appeared.（）C The earth became a solid ball.（）D Small plants grew on the water.（）E Reptiles appeared.（）F Plants began to grow on dry land.（）G The earth was a cloud of dust.（）H Water appeared on the earth.（）I Shellfish and other fish appeared.（）J The universe began with a “Big Bang”.（）K Clever animals with hands and feet appeared.（）L Mammals appeared.Step 3 DiscussionAs a student, what little things can we do for the earth?L et’s take part in the activities to save the earth! Use the following words or phrases to help you:prevent… from… harmfulglobal warmingcarbon dioxidein turn depend onas a result atmosphereStep 4 SummaryFill in the frame about the structure of this passage.Step 5 ConsolidationAsk students to retell the passage with the help of the following. After the “big bang”, the earth was s till just a cloud of _______, it _______loudly with fire and rock, which were _______ to produce the_________, water vapour and other gases. Then ________ began to appeared on the earth._____________ in water are considered to be the earliest lives on the earth. The O2 they supplied encouraged the lives of________________. Slowly green plants grew on land, which were followed by __________ like insects & __________. When the plants grew into________, ______ appeared. Then _______ developed but disappeared later, which made the rise of a totally different animal,_______, possible, and finally _______ spread all over the world.Step 6 Homework1. Learn the useful new words and expressions in this part by heart.2. Read the reading passage again and try to talk about how life began on the earth in your own words.板书设计Unit 4Astronomy: the science of the starsWarming up and readingHOW LIFE BEGAN ON THE EARTHParagraph 1Paragraph 2Paragraph 3Paragraph 4Paragraph 5The passagePart Four：Assessment and Feedback1.突出学生的主体地位，学生上课积极性增加，课堂气氛热烈。
新人教版高中英语必修三U4语法 不定式作定语和状语
必修三U4语法不定式作定语和状语一、不定式作定语观察I borrowed some books to read during my holiday.我借了一些我假期期间要读的书。
He is always the first to arrive at school and the last to leave他总是第一个到校,最后一个离开。
The best way to strengthen willpower is to make it into a habit.增强意志力的最好方法就是让它成为一种习惯。
归纳1.不定式作定语,修饰名词或代词,通常要放在这些被修饰的词①_______。
2.用不定式作定语的几种情况:(1)不定式作定语可以表示②_______的动作;(2)当中心词为序数词、形容词最高级、the last、the only等词或中心词被这类词修饰时,常用不定式作定语;(3)被修饰词是③_______名词时,常用不定式作定语。
常见的该类名词有:way、time、reason、plan、ability、chance、opportunity、freedom、need、right、wish、desire、excuse、promise、attempt等;(4)不定代词something、nothing等后面也常用不定式作定语。
名师点睛1.作定语的不定式若为不及物动词,或者不定式所修饰的名词或代词是不定式动作的地点、工具等时,其后须加上适当的介词。
I am looking for a room to live in我正在找一间屋子住。
2.当作定语的不定式所修饰的名词或代词是不定式动作的承受者时,不定式既可以用主动语态，也可以用被动语态，但其含义有所不同。
Do you have anything to send?你有什么东西要寄吗?(“寄”这一动作的执行者是“你”)Do you have anything to be sent?你有什么要(我或别人)寄的东西吗?(“寄”这一动作的执行者是“我”或“别人”)二、不定式作状语(一)作目的状语观察To avoid any delay,please phone directly.为避免任何延误，请直接打电话。
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必修③Unit 4Ⅰ.单词拼写1．It is a ________ (谜) for her why they declined her.答案：puzzle2．A plastic bag was seen ________ (漂浮) in the water.答案：floating3．Smoking is ________ (有害的) to your health.答案：harmful4．She was told not to __________ (传播) the secret around.答案：spread5．He was ________ (失望的) that other guests were not coming.答案：disappointed6．The crowd ________ (欢呼) when he appeared.答案：cheered7．There is a friendly ________ (气氛) of helping each other with difficulties in study in our class.答案：atmosphere8．When we reached the top of the mountain，we felt ________ (精疲力尽)．答案：exhausted9．As we know，water ________ (存在) in three forms.答案：exists10．Most people oppose ________ (暴力) and war.They prefer peace.答案：violenceⅡ.完成句子1．If you work hard，you will succeed ________ ________.只要你努力学习，你总有一天会成功的。
答案：in time2．Mother ________ me ________ going out alone.妈妈不让我单独出去。
答案：kept/prevented/stopped；from3．Give Mary a call，she needs ________ ________.给玛丽打个电话，她需要鼓励。
答案：cheering up4．________ ________ we have finished the design，the company，in its turn，will do the construction.既然我们已经完成了设计，就该由公司来进行建设了。
答案：Now that5．Y ou shouldn't believe rumor.Y ou can ________ __________ me.你不该听信谣言。
你可以相信我。
答案：depend onⅢ.单项选择1．(2012·滨州模拟)His father died in a car accident.He stayed with his mother till midnight，comforting her and being comforted ________.A．in public B．in returnC．in vain D．in turn解析：句意：他父亲死于一场车祸，他和妈妈呆在一起彼此安慰直到半夜。
in public“公开地，当众”；in return“作为回报”；in vain“徒劳地”；in turn“依次，反过来”。
答案：D2．(2012·珠海模拟)The talk went on in a (n) ________ of mutual trust and respect between the two parties.A．circumstance B．backgroundC．atmosphere D．climate解析：句意：会谈是在两党互相信任和尊重的氛围中持续下去的。
四个词的意思分别是“状况”；“背景”；“氛围”；“气候”。
答案：C3．The socks are so ________ that they can't be mended any more.A．used up B．worn outC．tired out D．broken out解析：use up“用完，耗尽”；tire out“使十分疲劳”；break out“(战争、火灾等)突然发生，爆发”；wear out“穿破，用坏，克服，消磨，疲劳”。
句意：这些袜子穿坏了，不能再补了。
根据句意知应选B项。
答案：B4．(2012·佛山调研)The small fishing village has __________ into a modern city in the last thirty years.A．extended B．existedC．explored D．expanded解析：句意：30年后，这个小渔村已扩大成了一座现代化的城市。
expand“扩大”；extend“延伸”；exist“存在”；explore“探测，探险”。
答案：D5．(2012·郑州模拟)We must do whatever we can to ________ our environment getting worse and worse.A．separate B．keepC．prevent D．guard解析：prevent...(from) doing sth.表示“阻止……做某事”。
separate“分离，分开”；keep sb.doing sth.“让某人一直做某事”；guard“警卫”。
答案：C6．I'm planning to hold a party in the open air，but I can make no guarantees because it ________ the weather.A．links with B．depends onC．connects to D．decides on解析：句意：我计划在户外举办晚会，但我不能确保此事，因为这要看天气如何。
depend on“依靠；依赖”。
答案：B7．(2012·长沙月考)If you have any trouble ________ the work within the time，please tell me.A．to finish B．finishC．with finishing D．finishing解析：have trouble/difficulty (in) doing sth.是固定句型，意为“做某事有麻烦/困难”。
答案：D8．Y ou are hurting me very greatly.I still may not forgive you，________ you apologize.A．even though B．so thatC．only if D．now that解析：句意：你总是在深深地伤害我。
即使你向我道歉，也许我仍不会原谅你。
even though 意为“即使，虽然”。
so that“为了，以便，因此，所以”，引导目的或结果状语从句；only if“只有，只要”，引导条件状语从句；now that“既然，由于”，引导原因状语从句。
答案：A9．(2012·福州调研)As the president's car appeared，the waiting crowds ________ loud cheers.A．broke away B．broke intoC．broke out D．broke down解析：break away“突然离开；脱离”；break into“突然……起来”；break out“(战争、灾难等)突发，爆发”；break down“中止；垮掉；分解”。
句中空格处表示“突然(大声欢呼)起来”。
答案：B10．The cloud never hides the sun.The truth will be known to all ________.A．by now B．in timeC．at present D．in future解析：in time“及时，迟早，总有一天”。
句意：乌云遮不住太阳的。
真相迟早被人知道。
by now“到目前为止”；at present“目前，现在”；in future“今后；从今以后”。
答案：B11．________ is believed that to keep order in an important football match is a hard job for the police.A．This B．ThatC．There D．It解析：句意：人们认为，维持一场重要足球赛的良好秩序对警察而言是一项艰巨的任务。
it作形式主语，代指后面that引导的主语从句。
答案：D12．(2011·南昌模拟)Broadly speaking，I would agree with Shirley，though not ________.A．widely B．entirelyC．extremely D．eventually解析：widely“广泛地”；entirely“完全地，全部地”；extremely“极其，非常”；eventually“最后”。
答案：B13．When the young man came back，tired，he just forgot to turn on the radio and ________ missed the program.A．anyhow B．thusC．however D．somewhat解析：句意：这年轻人回来时，累了，他就忘了打开收音机，因而错过了那个节目。
anyhow“不管怎样”；thus“如此，因此，这样”，从而；however“然而”；somewhat“稍微，有点”。
答案：B14．They had a ________ quarrel and John stormed out.A．violent B．cruelC．strong D．harmful解析：句意：他们有一个激烈的争吵，约翰怒气冲冲地出去了。
violent“激烈的；猛烈的”；cruel“残酷的”；strong“有力的”；harmful“有害的”。
答案：A15．(2012·太原质检)We can't continue to pretend that the problem of homelessness doesn't ________ in this city.A．exist B．liveC．be D．survive解析：句意：我们不能继续假装无家可归这个问题在这个城市不存在了。