新教材2023版高中英语Unit3SeaExplorationSectionⅡLearningAboutLanguage课件新人教版选择性必修第四册

这是一份新教材2023版高中英语Unit3SeaExplorationSectionⅡLearningAboutLanguage课件新人教版选择性必修第四册，共21页。
Learning About LanguagePart 1Part 2Part 1语言基础集释1(教材原句) Reaching out across the sea is often a mixture of danger and boredom.远渡重洋往往既危险又无聊。◎mixture n．混合；结合体；混合物(1)mix v. (使)混合；掺和；调配mix...with... 把……和……混合mix with sth. 与某物相融合mix up 弄乱；混淆；搅匀(2)mixed adj. 复杂的；混合的[佳句]　In the meanwhile, I looked at the poor fish with a mixture of astonishment and sympathy. 与此同时，我看着这条可怜的鱼，心里既惊讶又同情。(读后续写心理描写)[练通]——单句语法填空①The style conveys a distinct ________ (mix) of sadness，pain, happiness and love.②He was so nervous that he got the speech pages all ________ (mix) up. [写美]——读后续写佳句③她心里百感交集，不知道下一步该做什么。______________on her mind，she doesn't know what to do next.mixturemixedWith mixed feelings2(教材原句)When the journey ended, Zac's adventure received widespread media coverage.旅程结束后，扎克的冒险经历得到了媒体的广泛报道。◎coverage n．新闻报道；覆盖范围(1)coverage n. 新闻报道；覆盖范围(2)cover vt. 覆盖 ；涉及；包括；报道；支付；走完be covered with... 被覆盖……[佳句]　The ground is covered with white snow, which looks more beautiful.大地被白雪覆盖，看上去更美了。[练通]——写出cover的含义① You may have to cover some distance. ________________②When the earthquake happened, he was covering the incident.________________③He would pay Maria $400 a month to cover half the rent and some other expenses. ________________[写美]——应用文佳句④你可以看到英格兰和法国队比赛的现场报道。You can ________________ England's game against France.走完报道支付see live coverage ofPart 2复习动词不定式[自主感知]①To complete the great map of the world was a strong passion for the people of early civilisations.②Marco Polo's tales inspired European explorers to search for sea routes from west to east.③Here，merchants from China and many other places met to negotiate trade deals，which also led to more awareness of each other's cultures.④The aim of this initiative is to encourage cooperation and trade across the historic Silk Road areas，and strengthen the bonds between China and the rest of the world.⑤Trading has grown greatly in recent years，and will continue to do so in years to come.⑥Hundreds of years on，and with the latest technology in hand，the need to trade and the desire to enhance relationships will drive China to reach out across the sea far into the future. [我的发现]1．以上句子中黑体部分皆用了动词不定式。动词不定式在句中可充当主语(如句________)、宾语(如句________)、宾补(如句________)、表语(如句④)；定语(如句________)、目的状语(如句________)2．动词不定式一般式的结构为：________。①⑤②⑥③to do[语法规则]动词不定式的基本构成是“to＋动词原形”。to是不定式符号，无词义。动词不定式具有名词、形容词、副词和动词的特征。它可以在句中充当除谓语以外的各种句子成分。一、动词不定式的时态和语态①To get there by bike will take us half an hour.骑自行车到那儿将花费我们半个小时。②I felt very happy to have received the gift sent by you last Sunday.收到了你上周日寄来的礼物，我感到非常高兴。③The child doesn't appear to be learning quickly.这孩子似乎学得并不快。④She is known to have been dealing with the problems for many years.众所周知，她多年来一直在处理这些问题。[巧学活用1]——单句语法填空①Eric woke up a little later when he heard children playing outside.He pushed a chair onto the balcony，and climbed up ____________ (see) them. ②You are lucky ____________ (get) tickets to the concert. ③ ____________ (help)improve the environment, our school is going to organize a voluntary activity on the theme of “Caring for the Earth”．④The patient was warned not ____________ (eat) oily food after the operation. ⑤How lucky I am ____________ (have) such a good father! to seeto have gotTo helpto eatto have二、动词不定式的句法功能动词不定式在句中可以作主语、表语、宾语、宾语补足语、定语和状语，它多表示具体的或某次具体行为。1．作主语动词不定式短语作主语时，谓语动词用单数形式。①It's great to know you will visit our school next week and welcome to join in our Labour Week. 很高兴知道你下周将访问我们的学校，欢迎加入我们的劳动周。②To remember to switch off the electricity is of great importance.→It's of great importance to remember to switch off the electricity.重要的是要记住关掉电源。[名师指津]　不定式短语作主语时可以组成下面的常用句式：“it＋be＋adj.＋of/for sb. to do sth.”其中，it是形式主语，不定式短语是真正的主语。且当形容词表达事物的特征时，其后用for sb., 而当形容词表达人的特征或品质时，其后用of sb.如：①It is generous of him to contribute so much.他贡献这么多，真是太慷慨了。②It is important for us to live a low carbon life.对我们来说，过低碳生活很重要。2．不定式作表语不定式作表语时须放在系动词后面，表示具体动作或将来动作。这些系动词主要是be类动词(am, is, are, was, were, been等)和表象类系动词(seem, appear等)。①My wish is to be a college student.我的愿望是成为一名大学生。②Our difficulty is where to find a guide.我们的困难是到哪里去找向导。③My main task is to get this company running smoothly.我的主要任务是使这家公司运转顺利。3．不定式作宾语英语中有些动词后接另一动词作宾语时，该动词习惯上要用不定式形式，而不用动名词形式，这类动词(及短语动词)主要有：三个希望两答应：hope，wish，want，agree，promise两个要求莫拒绝：demand，ask，refuse设法学会做决定：manage，learn，decide不要假装在选择：pretend，choose①Once you have decided to take part, please fill in the attached application form and send it to me.一旦你决定参加，请填写附件的申请表并发给我。②Knowing what had happened, she offered to help him.她知道发生了什么事，便提出要帮助他。③The owner wanted to make a large purchase of gifts before Christmas.老板想在圣诞节前买一大笔礼品。④She thought it unnecessary to quarrel with him over little things.她认为没必要为小事跟他争吵。4．不定式作宾语补足语不定式作宾补的情况是：一是在有些动词或动词短语后面接带to的不定式；二是在感官或使役动词后接不带to的不定式(主动语态)。①She asked me to answer the phone in her absence.她要我在她不在的时候接电话。②I heard them sing yesterday.＝They were heard to sing yesterday.我昨天听见他们唱歌了。5．不定式作定语 不定式(短语)作定语时，一般都放在被修饰的词后，表示一个将来的动作。不定式与被修饰词之间存在主谓或动宾关系。①We must find a person to do the work.我们必须找一个人来做这项工作。②Here is some advice for you to follow.这里有一些你可以遵循的建议。③There are five pairs to choose from.有五对可供选择。[名师指津]　不定式作定语的用法点拨(1)当被修饰的词是或有序数词、最高级时，作定语的非谓语动词形式多为带to的不定式。He is always the first to arrive at the school.他总是第一个到学校的。(2)当被修饰的词是抽象名词(ability, chance, idea等)时，作定语的非谓语动词形式多用带to的不定式。The ability to express an idea is as important as the idea itself.表达一个想法的能力和想法本身一样重要。6．不定式作状语(1)不定式作目的状语，可以放在句首、句中和句尾，可以是to do, in order to do, so as to等形式。To spread their beauty and spirit, I wrote four Chinese characters to enter the exhibition.为了传播他们的美和精神，我写了四个汉字进入展览。(2)不定式作结果状语，常放在句尾，表示出人意料的结果，常用only to do, enough to do, too...to do..., so/such...as to do等形式。He returned home, only to find his wife waiting for him.他回到家发现他的妻子在等他。(3)不定式作原因状语，多放在句中，用于表示喜怒哀乐等心理活动或情绪情感的词汇后面。We're proud to be young people of China.作为中国青年我们感到自豪。[巧学活用2]——单句语法填空①There are still many problems________________(solve) before we are ready for a long stay on the moon.②The airport ________________ (complete) next year will help promote tourism in this area.③Bamboo plants are associated with health，abundance and a happy home.They are easy ______________ (care) for and make great presents.④She made an attempt ________________ (overcome) her weaknesses. ⑤They now have an opportunity ________________ (go)abroad to study further. ⑥Once his message was delivered，he allowed me ________________ (stay)and watch. to be solvedto be completedto careto overcometo goto stay