高中英语人教版 (2019)选择性必修 第一册Unit 5 Working the Land图文课件ppt

这是一份高中英语人教版 (2019)选择性必修 第一册Unit 5 Working the Land图文课件ppt，共16页。
【探究总结】(1)that在主语从句中_____ (充当/不充当)句子成分, _____(有/无)词义,只起连接作用,但不可省略。 (2)whether在主语从句中_____ (充当/不充当)句子成分,起连接作用,意为 “______”,不可省略。  
答案: (1)不充当 无　(2)不充当 是否
【应用实践】根据汉语意思完成英语句子。①她能来帮助我们使我们很高兴。 _____ _____ _____ _____ t help us made us very happy. ②她来不来都无关紧要。 _____ _____ _____ _____ _____ _____desn’t matter t much. 
答案: ①That she culd cme
②Whether she is cming r nt
2. 连接代词what、wh、which及whatever、whever、whichever等引导的主语从句【观察思考】 ▶What made peple excited was that the slar ship had cmpleted the arund-the-wrld trip. 让人们激动的是太阳能船已完成了环游世界的旅行。▶Wh will g t the cncert is nt knwn.不知道谁会去听音乐会。▶Which team will win the match is still unknwn.哪个队会赢得这场比赛还不知道。
答案:有 主语 定语 宾语
▶Whatever yu d in yur spare time shuld d n harm t thers.无论你在业余时间做什么都不应该危害其他人。▶Whever cmes t the party will receive a present.参加聚会的每一个人都将收到一份礼物。【探究总结】连接代词在主语从句中_____ (有/无)词义,除了起连接作用外,通常在从句中可以作_____ 、_____ 或_____ 等成分。 
【应用实践】用适当的连接代词填空。 ① _______ (f yu) cmes in first will receive a prize.  ② _______ I want t knw is which rad we shuld take. ③ _______ part f the cuntry he will travel t needs discussing. ④ _______ surprises me mst is that he is t prud. ⑤ _______ is interested in the activity can sign yur name.  答案: ①Whichever　②What　③Which　④What　⑤Whever
3. 连接副词when、where、hw、why等引导的主语从句【观察思考】 ▶When we will have a meeting is an imprtant questin. 我们何时召开会议是个重要的问题。▶Where I spend my summer vacatin is n business f yurs. 我在哪里过暑假不关你的事。▶Hw this happened is nt clear t anyne. 这件事是怎样发生的,谁也不清楚。▶Why she didn’t shw up last night remains a puzzle.她昨晚为什么没来依然是个谜。
【探究总结】连接副词when、where、hw 和why可引导主语从句并在从句中分别作_______状语、_______状语、_______状语和_______状语。 
答案: 时间 地点 方式 原因
【应用实践】用适当的连接副词填空。 ① _____ Jhn was late fr the class has been unexplained. ②_____ it was dne was a mystery.  ③_____ the party will be held has nt yet been decided. 答案: ①Why　②Hw/When/Where③Where/When
二、 主语从句中用it作形式主语的结构【观察思考】 ▶It is necessary that several nurses (shuld) stay. 几个护士留在这儿是有必要的。▶It’s a pity that he didn’t cme. 很遗憾他没来。▶It is suggested that the meeting be put ff.有人建议会议延期召开。▶It seems that it is ging t rain.看起来好像要下雨。▶It surprised him why they came t visit him suddenly.让他吃惊的是他们为什么突然来看望他。
【探究总结】it作形式主语的结构主要有:①It+be+形容词(necessary, bvius, true, natural, strange, etc.)+主语从句.②It+be+ _____ (a pity, a fact, a surprise, a shame, n wnder, etc.)+主语从句. ③It+be+ _____ (said, reprted, thught, suggested, prved, etc.)+主语从句. ④It+ _____ (happen, seem, appear, etc.)+主语从句. ⑤It+ _____ (surprise,etc.)+宾语+主语从句.答案: ②名词词组 ③过去分词 ④不及物动词或系动词　⑤及物动词
【应用实践】根据汉语意思完成英语句子。①在我看来,你好像不赞成这个计划。_____ _____ _____ _____that yu disagree with the plan. ②碰巧那年收成不好。_____ _____ _____ the harvest was bad that year.  ③很可惜你不能参加我的生日聚会。_____ _____ _____ _____ yu can’t attend my birthday party. 
④她是否能来参加聚会还很难说。It is dubtful _____ _____ _____ be able t cme t the party. ⑤建议这位老人到乡村休息一下。 _____ _____ _____ ______ the ld man shuld g t the cuntryside t have a rest. 答案: ①It seems t me　②It happened that③It’s a pity that　④whether she will⑤It is suggested that
三、 主语从句中应注意的问题【观察思考】 ▶Where he will get a jb after graduatin has puzzled him very much.毕业后到哪儿找份工作使他很困惑。▶What the schl needs mst are bks.这所学校最需要的是书。▶When they will start and where they will g have nt been decided yet.他们将在什么时候动身以及要去哪里还没定下来。▶When and where they will hld the meeting is nt clear. 他们何时何地召开会议还不清楚。
【探究总结】(1)主语从句要用______语序。 (2)主语从句作主语时,主句的谓语动词一般用______形式。what引导主语从句时,有时主句谓语动词应与主句中作表语的______保持一致。 (3)如果由and连接两个或两个以上的主语从句作主语时,谓语动词用______形式;由两个或多个连接词引导一个主语从句时,谓语动词用______形式。 
答案: (1)陈述　(2)单数 名词　(3)复数 单数