资源描述：
《主语从句表语从句同位语从句》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、高中语法—主语从句+表语从句+同位语从句v讲解l主语从句一．定义：在句中起主语作用的从句二．语序—陈述句语序Whenwillhecomeisnotknown.×→WhenhewillcomeisnotknownWhethercananimalsbewellprotectedisofgreatimportance.×→Whetheranimalscanbewellprotectedisofgreatimportance.→陈述句语序：连接词+主语+谓语+其他成分三．连接词1.从属连词：that/whether①that：没有意义，不作成分，不可省略---Tha
2、teveryonelikesDoraemonisamazing.(that=口袋→把句子装起来）@3.10,25,28,30②whether“是否”不可省略,不可用if代替---Whethertheywouldsupportuswasaproblem.（if“如果”有歧义）@4.5,312.连接代词①who,whom,what,which,whose,whoever,whomever,whatever,whichever②特定意义，不可省略③在主语从句中做成分Whatweneediswater.---作宾语@29Whowillgomakesnodiffere
3、nce.---作主语@12，14,17,19，#4,12Whoheisremainsuncertain.---作表语Whoseshirtitisremainsunknown.---作定语#16→连接代词在宾语从句中作宾语，主语，表语，定语*Whoever(Anyonewho)wantstoenterintothisschoolmusttaketheexam.---无论是谁@18*Whatever(Anythingthat)shedidwasright.---无论什么@23.连接副词①when,why,how,where②特定意义，不可省略③作状语，表示时间，
4、地点，原因，方式Whenhewillbebackdependsontheweather.---时间状语Wherethetestwillbegivenisnotyetdecided.---地点状语#14Whydinosaursdiedoutremainsapuzzle.---原因状语#13How this happened is not clear to anyone. ---方式状语四．时态：不受主句的时态影响和限制五．It作形式主语1.结构itis...that...（无意义，不做成分）①It is certain that she will do wel
5、l in her exam. →Itis+a.+that...②It’s a pity that we can’t go.→Itis+n.词组+that...(nowander难怪，anhonor荣耀）@1，16,20③It is said that TinyTimesisagoodmovie→Itissaid,reported,suggested,well-known+that...@13#6④It happened that I was out that day.→ It+特殊动词（seem似乎，happen碰巧doesn’t matter）+that.
6、..@6,7,82.Itis+其他连接词（有意义，作成分）Itwasaproblemwhethertheywouldsupportus.Itishardtounderstandwhythereisgravity.@11,15,#73.否定前移Itseemsthattheyarenotfromthesameuniversity.→Itdoesn’tseemthattheyarefromthesameuniversity.六．注意1.主语从句中的连词---不能重叠使用Thatwhetherhewillhelpothersisafact.×→Thathewillh
7、elpothersisafact.2.含主语从句的主句谓语动词---用单数第三人称形式Whenhewillcomeareapuzzle.×→Whenhewillcomeisapuzzle.@9,#23.what引导的主语从句---根据表语决定主句动词的单复数形式①Whatheneedsisthatbook.②Whatheneedsaresomebooks.l表语从句Thatiswhatheisworriedabout.一．定义：在句子中作表语的句子，be,look,seem,appear,sound,feel,remain+表语从句二．语序—陈述句语序三．连
8、接词=主语从句@191.seem,appear,lo
