Unit 5 03 Period Three Learning About Language (Grammar)（Word讲义）-【满分思维】2026-2027学年高中英语选择性必修第一册学生用书（人教版）

Period Three　Learning About Language (Grammar) 　　阅读以下有关“田间耕作”的短文,感知加黑部分,并回答其后的问题。 In field cultivation, many factors matter. ①That the soil is fertile is crucial for a good harvest. ②Whether it rains in time affects the growth of crops. ③Whoever wants to succeed in farming must work hard. ④What farmers do every day, like plowing and sowing, determines the final output. ⑤When they start to irrigate crops depends on the weather. It’s obvious ⑥that careful management is necessary. It’s believed ⑦that with their efforts, they can get a bountiful harvest.   【自主发现】 以上语段中,句①、②、③、④、⑤、⑥、⑦均为　　　　;其中that,whether为　　　　,在句中不作成分;whoever,what为　　　　;when为　　　　;句⑥、⑦中,it均为　　　　。   主语从句 在复合句中作主语的从句叫作主语从句。 一、主语从句的引导词 　　主语从句通常由从属连词that和whether、连接代词或连接副词引导。 类别 例词 说明 从属 连词 that,whether 两者在从句中均不作成分,只起连接作用;that无实义,whether表示“是否” 连接 代词 who,what,which, whoever,whatever等 在从句中作主语 连接 副词 when,where,how, why等 在从句中作时间、地点、方式、原因状语等成分 1.that引导的主语从句。 如: That he is still alive is a wonder. 他还活着,真是一个奇迹。 That we shall be late is certain. 我们要迟到了,这是确定无疑的。 2.whether引导的主语从句。 如: Whether it will do us harm remains to be seen. 它是否对我们有害还有待观察。 Whether they would support us was a problem. 他们是否会支持我们是一个问题。 3.连接代词引导的主语从句。 如: Whoever is in top form wins the game when two matched players meet. 两强相争勇者胜。 Whichever (of you) comes in first will receive a prize. 无论(你们)谁获得第一名都可以得奖。 What struck me was that they had all suffered a lot. 给我很深印象的是他们都受过很多苦。 4.连接副词引导的主语从句。 如: When we arrive doesn’t matter. 我们什么时候到没有关系。 How it was done was a mystery. 它是怎样被完成的是一个谜。 二、主语从句与形式主语it 　　为保持句子平衡,常把主语从句后置,而用形式主语it代替。it作形式主语时常用于以下句型: 句型 说明 It+系动词+形容词+that从句 常用于此句型的形容词有important,(un)likely,possible,necessary,natural,wrong等 It+系动词+冠词+名词+that从句 常用于此句型的名词有fact,idea,honour,question,pity等 It+系动词+过去分词+that从句 常用于此句型的过去分词有known,proved,said,decided,suggested,thought等 It+特殊动词+that从句 常用于此句型的动词有appear,happen,seem,occur等 如: It’s a pity that he didn’t come. 很遗憾他没来。 It is important that he (should) know about this. 他应该知道此事,这很重要。 It’s vital that we (should) be present. 我们出席是至关重要的。 三、主语从句中应注意的问题 1.从句的语序要用陈述语序。 如: Whoever leaves the room last is expected to turn off the lights. 无论谁最后离开房间,都要把灯关掉。 2.从句作主语时,主句的谓语一般用单数形式;有时受表语的影响用复数形式。如: Who has left so many sweets on his table makes him curious. 谁在他的桌上留下了那么多糖果,这令他好奇。 What he wants to read now are some magazines. 现在他想读的是一些杂志。 3.陈述句作主语时须有that引导,而且that不能省略。如: That he is lying is very clear. 很显然他在撒谎。 4.whether引导主语从句可以放句首,而if不可以。如: Whether he will go with us hasn’t been decided. 他是否和我们一起去,还没有定下来。 【实战演练】 ●Ⅰ 单句填空 1.　　　　　　 surprised me most was 　　　he failed in the exam which was very easy.   2.It has been found 　　　　　　plastics can be widely used in industry.   3.　　　　　　 will be present at the meeting is a secret.   4.　　　　　　 the school will hold the annual sports meeting hasn’t been announced.  5.　　　　　　 he will come back before six is yet unknown.   6.　　　　　　 team wins on Saturday will go through to the national championships.   7.　　　　　　 wants to stay in a hotel has to pay his/her own way.   8.　　　　　　 she couldn’t understand was 　　　　　　fewer and fewer students showed interest in her lessons.   9.　　　　 made the school proud was 　　　　over 90% of the students had been admitted to key universities.   10.His father got him a job in a bank but soon it became clear 　　　　　　he was not fit for that kind of work.   ●Ⅱ 语法与写作 1.　　　　　　　　　　　　　　　　　　　 is its potential for growth and learning.(impress)   这个职位最让我印象深刻的是它的成长和学习潜力。(应用文写作之求职信) 2.　　　　　　　　　　　　　　　　　　 in the future is something I will always strive for.(repay)  我能否在未来回报你的善意,这是我将一直努力的事情。(应用文写作之感谢信) 3.　　　　　　　　　　　　　　　　　　 as soon as possible is essential for customer satisfaction.(address)  这类问题应该尽快得到解决,这对于客户满意度至关重要。(应用文写作之投诉信) 4.　　　　　　　　　　　　　　 is crucial for us as we look forward to sharing this memorable moment with you.(attend)   你是否能参加对我们来说至关重要,因为我们期待着与你分享这个难忘的时刻。(应用文写作之邀请信) 5.　　　　　　　　　　　　　　　　　 about your courses is what I am eager to know.(obtain)   我如何能获得关于你们课程的更详细的信息是我渴望知道的。(应用文写作之咨询信) ●Ⅲ 语篇填空 Around three in five people in the UK will find 1.　　　　　　 necessary to care for an elderly or a disabled loved one at some point. 2.　　　　　　 to make this easier is that you should bear in mind a few simple principles and pieces of advice.   3.　　　　　　 is known that caring for an elderly loved one, most likely a parent, is never easy. It can cause great pain emotionally and 4.　　　　　　 (physical) and the financial challenges can sometimes seem difficult to deal with, too.   Often one of the hardest things is 5.　　　　 to strike a balance between your parents’ desire to feel independent and the need to ensure 6.　　　 they are safe and their health needs are being attended to. Sometimes this can create tensions and arguments, only adding to the stress of an already difficult situation. 7.　　　　　　 is important that you make them feel that they are being listened to and 8.　　　　　　 you only have their best interests at heart.   The same applies to financial issues. In order to cover the costs of their parents’ care—including bills and medicine—many people will investigate options such as selling the family home. 9.　　　 is the most important here is communication—it is vital to make sure that everyone involved, including other brothers and sisters, is aware of what’s being proposed and cooperates to find a solution 10.　　　　　　 satisfies everybody.   学科网（北京）股份有限公司 $ Period Three　Learning About Language (Grammar) 语法探究 【自主发现】 主语从句;从属连词;连接代词;连接副词;形式主语 语法归纳 【实战演练】 ●Ⅰ 1.What; that　2.that　3.Who　4.When　5.Whether 6.Whichever　7.Whoever　8.What; why　9.What; that　10.that ●Ⅱ 1.What impresses me most about this position 2.Whether I can repay your kindness 3.That such issues should be addressed 4.Whether you can attend 5.How I can obtain more detailed information ●Ⅲ 1.it 　2.How　3.It 　4.physically　 5.how 　6.that 7.It 　8.that　 9.What 　10.that/which 学科网（北京）股份有限公司 $