精品高二英语同步课件：UNIT4 SECTION Ⅳ GRAMMAR .ppt

1、Section Unit 4语法讲座写作讲座知识必备专题练习佳作观摩技法指导专题练习返回it的用法()返回一、强调句型的一般形式在英语中，我们常用“It is/was.who/that.”句型来强调句子的某一成分(一般是句子的主语、宾语或状语，但不能是句子的谓语)。在这个句型中，it没有词汇意义，只是引出被强调的成分。如果被强调的成分是表示人的词，用who或that来连接都可以。如果是其他成分，则一律用that来连接。返回It was John who/that bought an old bike yesterday in a marketplace.是约翰昨天在市场上买了辆旧自行车。(强调

2、主语)It was an old bike that John bought yesterday in a marketplace.昨天约翰在市场上买的是辆旧自行车。(强调宾语)It was yesterday that John bought an old bike in a marketplace.约翰是昨天在市场上买了辆旧自行车。(强调时间状语)返回It was in a marketplace that John bought an old bike yesterday.昨天约翰是在市场上买了辆旧自行车。(强调地点状语)It was because the water had rise

3、n that they could not cross the river.正是因为水涨了，他们没能过河。(强调原因状语从句)考题印证1(2011重庆高考)Have you seen the film Under the HawthornTree?Of course,I have.It was in our village_it was made.AthatBwhereCwhen Dwhich解析：选。考查强调句型。问话人询问对方是否看过山楂树之恋这部电影，答话人回答说当然看过，这部电影是在自己的村庄拍摄的。本句是强调句，被强调的部分是地点状语in our village。A二、强调句型的疑问

4、式1一般疑问式：Is/Wasit被强调部分that/who其他成分？Was it during the Second World War that he died?他是二战期间死亡的吗？Was it last year that you got the degree?你是在去年获得学位的吗？返回2特殊疑问式：特殊疑问词is/wasitthat其他成分？Where was it that you met Tom yesterday?昨天你是在哪儿遇见汤姆的？Why is it that you want to change your idea?你为什么想改变你的主意呢？考题印证2(2011四川高

5、考)Was it on a lonely island_he was saved one month after the boat went down?AwhereBthatCwhich Dwhat解析：选。考查强调句型。强调句的结构是：“It is/was被强调的部分that/who句子的其他部分”，表示“正是”或“就是”。强调句型的一般疑问句结构：Is/Was it.that/who.?B返回三、not.until型强调句式1句型为：It is/was not until被强调部分that其他部分普通句：He didnt go to bed until/till his wife came

6、 back.直到妻子回来他才睡觉。强调句：It was not until his wife came back that he went to bed.直到妻子回来他才睡觉。返回2注意强调句型中只能用until，不能用till。但如果不是强调句型，till，until可通用。且强调句型It is/was not until.已经是否定句了，所以that后面的句子的谓语要用肯定形式。I hadnt realized she wasnt English until/till she spoke.It was not until she spoke that I had realized she

7、wasnt English.直到她开口说话我才知道她不是英国人。返回考题印证3(2009江西高考)It was_he came back from Africa that year_he met the girl he would like to marry.Awhen;then Bnot;untilCnot until;that Donly;when解析：选。考查强调句型。句意：他直到那年从非洲回来之后才遇到了他想与之结婚的女孩。此句是“not until.”的强调句型。C返回四、使用强调句型的几个注意事项1若被强调成分是主语，who/that之后的谓语动词应该在人称和数上与被强调的主语保持

8、一致。It is he who/that often helps me with my English.是他经常帮我学英语。It is trees that we plant on the hillside every year.我们每年都在山坡上种的是树。返回2即使被强调成分是句中的时间状语、地点状语、原因状语等，也不能用when,where,because等，要用that。It was in front of the bank that the old lady was robbed.老太太是在银行前面被抢劫的。It was because of the heavy rain that h

9、e came late.由于下大雨他来晚了。返回3若被强调成分是作主语的代词，用主格；若是作宾语的代词，则用宾格。It was he that helped me yesterday.昨天帮我的人是他。It was me that he helped yesterday.他昨天帮的人是我。返回4强调句中只用两种时态，即一般现在时和一般过去时。原句谓语动词是一般过去时、过去完成时和过去进行时，用It was.that/who.，其余的时态用It is.that/who.It is you who/that are to blame.是你该受到指责。It was chairman of the c

10、ommittee that we elected her.我们选她当委员会主席。返回五、强调句型与其他相似句型的辨析强调句型最容易与定语从句、主语从句和状语从句等混淆，区分它们的关键在于：如果把句子中的It is/was和that/who去掉，剩下的部分还是一个完整的句子，并且句子意思依然完整，则此句为强调句型；否则，应仔细分析句子，判断该句是何种从句。返回It was at the school gate that I met an old friend of mine.我是在学校大门口遇见一位老朋友的。(强调句型)It is always the mouth which talks too

11、 much that arouses troubles.言多必失。(定语从句)It was such a hot day that even the crops withered.天气极度炎热，连庄稼都枯萎了。(结果状语从句)返回考题印证4(2011湖南高考)Its not what we do once in a while _ shapes our lives,but what we do consistently.Awhich Bthat Chow Dwhen 解析：选。考查强调句型。此句强调句子的主语(从句),原句可改写成：Not what we do once in a while

12、but what we do consistently shapes our lives.句意：决定我们生活的东西不是我们偶尔所做的事情而是那些我们自始至终所做的事情。B点此进入返回海报返回返回请以学生会的名义为一场篮球友谊赛写一份海报，内容如下：参加者：美国北地中学校队和我校校队地点：篮球场时间：(星期二)下午4点组织者：学生会海报发出时间：2012年11月14日返回POSTERFriendly Basketball match Organized by the StudentsUnion of our school,a friendly basketball match will be h

13、eld between the visiting US.Northfield Team and ours on the basketball court on Tuesday,November 20,2012 at 4：00 pm.Please come and cheer for them.The School StudentsUnionNovember 14,2012返回本文分三部分：标题、正文和落款，符合海报的结构要求。动词时态用一般将来时。返回亮点一：句是海报的正文部分，这是一个较长的简单句，作者把本次活动的主要内容、时间、地点都交代清楚，表明作者有较强的组织英语句子的能力。亮点二：o

14、rganized和visiting两处分词的使用更显示出作者扎实的语言基本功；句鼓励性的话激发了读者的兴趣。返回返回海报是向大众发布某种消息的布告。海报的形式多为招聘广告、活动宣传和人物介绍。英文海报的内容常为球讯、影讯、商业报道、展览会、报告会、专题讲座等。1海报的结构。海报一般由标题、正文和落款三部分组成。(1)标题。在第一行的正中间写上“POSTER”字样。接着在第二行即“POSTER”下面写上活动的具体名称或活动的内容。如：An Exciting Football Match.返回 (2)正文。在第三行空4个字母格写正文，为一段。海报的正文要求写清楚以下内容：第一，活动的目的和意义。第

15、二，活动的主要项目、时间、地点等。第三，参加的具体方法及一些必要的注意事项等。(3)落款。要求写上主办单位的名称及海报的发文日期。返回 2海报写作的注意事项。(1)时态：用一般将来时和一般现在时。(2)语言：海报文字要求简洁明了，篇幅要短小精悍。文中可以用些鼓动性的词语，但不可夸大其词。(3)要求：海报一定要具体真实地写明活动的时间、地点、主要内容、参加规定及主办单位。返回黄金表达Well have a show/football match on July 16th.There is a piece of news that well hold a .地点时间We hope to raise

16、 money to help the poor children.It will be held.The match will be wonderful.You can buy tickets in.and the price is 2 yuan for each.返回By then,some new clothes are even 50%off.If you spend more than 100 yuan at one time,you can get at present.All are warmly welcome.Everyone is welcome.Catch the chance,or you will regret.Sigh up and have a good time.返回点此进入