资源描述：
《高一英语表语从句讲解.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、PredicativeClauses表语从句表语从句的定义：表语从句在复合句中作主句的表语。表语从句和主语指同一内容，它对主语进行解释、说明，使主语的内容具体化。结构是“主语+系动词+表语从句”。可以接表语从句的系动词有be,look,remain,seem等。连接词：连接代词：连接副词：that/whether/asif/asthoughwho/whom/whose/which/whatwhen/where/why/how/because1.Thequestionis__________wecanrelyonhim.2.That’s____________wewe
2、reinneedofmoneyatthattime.3.Helooked_________hewasgoingtocry.4.That’s________Iwaslate.whetherbecauseasifwhy引导词的用法（一）that在表语从句中,又。Thefactisthathehasn’tyetrecoverfromillness.Thereasonwhyhehastogoisthathismotherisillinbed.既不充当成分没有意义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.Whatthedoctorreally
3、doubtsiswhethermymotherwillrecoverfromtheseriousdiseasesoon.2.Thequestioniswhetheritisworthdoing.“是否”不能引导词的用法（二）what在表语从句中充当______________表示____________________________.1.Thequestioniswhatcausedtheaccident.2.Thatmountainisnolongerwhatitusedtobe.3.Whathetoldyouwaswhathadbeendiscussedatt
4、hemeeting.主语、宾语或表语什么，什么样子，或所…的（人或事）引导词的用法（三）who在表语从句中充当______________表示____.Theproblemiswhocoulddothework2.Mytroubleiswho(whom)Icanturnto.主语、宾语或表语谁引导词的用法（四）which在引导表语从句时,常充当_____________表示。如：Ireadaboutitinsomebookoranother,butwhatIdon’tknowiswhich(book)itis.定语,表语其中哪一个引导词的用法（五）由asif,ast
5、hough引导表语从句，表示好像。句子中的系动词常用look,appear,seem等。Itlooksasifitwasgoingtorain.2.Theyoungmanwithlonghairlooksasifhewereagirl.引导词的用法（六）当主句的主语为reason,或者是由why引导的从句时,与它们相关的表语从句用_________,而不能由_______引导;because引导表语从句时只能用于________________________句型中.1.ThereasonwhyIwaslatewasthatImissedthetrain.2.Iwa
6、slate.It/That/ThiswasbecauseImissedthetrain.that来引导becauseIt/That/Thisis/wasbecause…引导词的用法（七）当表语从句中主语、宾语、表语具备，但是还是要表示疑问含义，可以判断句子中缺少状语，常常用相应的特殊疑问词引导，有why,when,where,how等Thisis_________hedidit.Thatis_______thebrotherswantedtomakeabet.That’s_______we’vegivenyoutheletter.引导词的用法（八）howwhywhy
7、表语从句引导词注意事项1.that引导表语从句时不能省.2.if不能引导表语从句.3.除that外的所有引导词都有自己的意义。4.除that,whether外的所有引导词都须在从句中充当相应的成分5.主语为advice、suggestion、order、command、reguest等时，表语从句为虚拟语气Thesuggestionhegavemewasthateverymeans________________tosavethecropsbeforethestormcame.(try)他给的建议是，要在暴风雨来临之前尝试每一种方法来拯救这些庄稼。WhatIwa
