【学霸笔记】32　UNIT 5　Period 4　课时学案 单元语法讲练(Learning About Language) 讲义 人教版高中 选择性必修一（学生版+教师版）

Period 4　 单元语法讲练(Learning About Language) 主语从句 美文诵读 语法体悟 　　①What we often overlook is that success doesn't come easily．It takes time，effort，and most importantly，persistence． ②That one should never give up is a valuable lesson we can learn from many great people．For example，Thomas Edison，despite countless failures，continued his experiments until he invented the light bulb．His story shows us that it is perseverance that leads to great achievements． ③Whether we can achieve our dreams depends on our determination and hard work．If we believe that we can succeed and are willing to put in the effort，there is no limit to what we can accomplish． In conclusion，it is essential to remember ④that success is within our reach if we have the courage and persistence to pursue it． ①是what引导的主语从句，what在从句中作宾语； ②是that引导的主语从句，从句完整不缺成分； ③是whether引导的主语从句，从句完整不缺成分，但语意不完整，whether意为“是否”； ④是that引导的主语从句，it作形式主语。 一、主语从句的定义 在主从复合句中，充当主语的从句叫主语从句。 How the earth came into existence remains a mystery to us． 地球是如何形成的对我们来说仍然是一个谜。 It worried the woman that her son was always playing computer games． 她的儿子一直在玩电脑游戏，这让这位女士很担心。 二、主语从句的引导词及其充当的成分 引导词 充当的成分 从属连词 that，whether 不作任何成分 连接代词 who(ever)，whom(ever)，whose，what(ever)，which(ever) 主语、宾语、表语、定语 连接副词 when，where，why，how 状语 That she survived the accident is a miracle． 她在事故中存活下来是一个奇迹。 Whether she will come or not is still a question． 她来或不来仍是一个问题。 What she did is not yet known． 她做了什么至今还不知道。 How this happened is not clear to anyone． 这事怎样发生的，谁也不清楚。 Whoever comes is welcome． 不论谁来都欢迎。 单句语法填空 ①_____ the work can be completed on time is doubtful． ②(2024·新课标Ⅰ卷)_____ worked on a veterinarian seemed likely to work on his patients． ③_____ place the school will be built in has led to different ideas． ④_____ he got the important information from the company was a mystery． 三、含主语从句和形式主语it的结构 1．It＋be＋形容词(obvious，true，natural，strange，etc．)＋主语从句 It is important that he (should) know about this matter． 他应该知道这件事是重要的。 [名师点津]　在“It＋be＋形容词＋主语从句”结构中，若形容词为important/necessary/strange等，主语从句中的谓语用“(should＋)动词原形”。 2．It＋be＋名词词组(no wonder，an honour，a pity，a/no surprise，etc．)＋主语从句 It's a pity that he didn't come． 很遗憾他没来。 3．It＋be＋过去分词(said，reported，thought，expected，proved，etc．)＋主语从句 It is suggested that the meeting (should) be put off． 有人建议会议延期召开。 [名师点津]　在“It＋be＋过去分词＋主语从句”结构中，过去分词若为suggested/ordered/required/advised等，主语从句中的谓语用“(should＋)动词原形”。 4．It＋不及物动词(happen，seem，appear，remain，etc．)＋主语从句 It seems that it is going to rain． ... ...