高中英语语法精讲之表语从句ppt课件.ppt

ThePredicativeClause
表语从句
DefinitionPredicativeClauseThequestioniswhowilldoit.Thequestioniswhowilldoit.可接表语从句的系动词有：1.ThisisanEnglish-Chinesedictionary.
2.Thedinnersmellsgood.
3.Hefellinlove.
4.MyjobistoteachyouEnglish.
5.Thequestioniswhowilldoit.
2.表语从句的构成Hissuggestionisthatweshouldstaycalm.观察思考：1.从属连词as,asif/though引导的表语从句
asif/though引导的表语从句常置于连系动词look,seem,sound,be,become等后面，常用虚拟语气，表示不存在的动作或状态。
e.g.Itsoundsasif/thoughsomebodywasknockingatthedoor.
*asif/asthough引导的表语从句如果是事实，就用陈述语气，如果与事实不符，就用虚拟语气(主句一般现在时，从句就用一般过去时，be变成were。主句是一般过去时，从句用过去完成时)。
Itlooksasifhewereherownfather.
(与事实不符)
Darkcloudsaregathering.Itlooksasifit’sgoingtorain.becausethat,why与because引导表语从句时的区别例句：连接代词who,whom,whose,whoever,what,whatever,which,whichever,连接副词where,when,howwhere,when,why,how引导的表语从句
连接副词where,when,why,how除在句中起连接作用外，在从句中还充当时间、地点、方式、原因状语，本身具有词义。
That’swhereIcan’tagreewithyou.
ThisiswhySarawaslateforthemeeting.
Thisishowtheyovercomethedifficulties.
MystrongestmemoryiswhenIattendedanAmericanwedding.what在表语从句中充当______________表示____________________________.

1.Thequestioniswhatcausedtheaccident.
2.Thatmountainisnolongerwhatitusedtobe.
3.Whathetoldyouwaswhathadbeendiscussedatthemeeting.

who在表语从句中充当______________表示____.
Theproblemiswhocoulddothework
2.Mytroubleiswho(whom)Icanturnto.which在引导表语从句时,常充当_____________
表示。如：
Ireadaboutitinsomebookoranother,butwhatIdon’tknowiswhich(book)itis.

1.that
1)that在从句中不担任句子成分，无实际意义，一般不能省略
2)在表“建议，劝说，命令”的名词idea,suggestion,request,proposal等后面的表语从句中，谓语动词用“should+动词原形”（虚拟语气），should可省略
Myopinionisthatit’sgettingbetterandbetter.
Mysuggesstionisthatwe(should)startearlytomorrow.名词主语+be+that引起的表语从句whether在表语从句中表,但不充当句子的成分。if引导表语从句.如:
1.Whatthedoctorreallydoubtsiswhethermymotherwillrecoverfromtheseriousdiseasesoon.
2.Thequestioniswhetheritisworthdoing.四.使用虚拟语气的表语从句表语从句引导词注意事项

例题1：

Thequestionis________wewillhaveoursportsmeetingnextweek.
A.thatB.ifC.whenD.whether例题2：
Thereasonwhyhefailedis________hewastoocareless.
A.becauseB.that
C.forD.becauseof注意点4：
如果从句是特殊疑问句，用陈述句