高中英语必修三语法名词性从句.ppt

判断:定语从句or同位语从句1.Theorderthatweshouldsendafewpeopletohelptheothergroupswasreceivedyesterday.2.Theorderthatwereceivedyesterdaywasthatweshouldsendafewpeopletohelptheothergroups.3.ThenewsthathewillleaveforShanghaiistrue.4.Thenewsthatwegotlastweekistrue.5.Thequestionthatwediscussedyesterdayisadifficultone.(定语从句)(同位语从句)(同位语从句)(定语从句)(定语从句)第31页，共84页，星期日，2025年，2月5日注意1：that/what的辨用1.______hewantsisabook.2.______hewantstogothereisobvious.

3.Weshouldpayattentionto______theteacheris

saying.4.Hetoldus______hefeltill.5.Theresultis______wewonthegame.

6.Thisis_____wewanttoknow.

7.Ihavenoidea_____hedidthatafternoon.8.Thefact______sheworkshardiswellknowntousall.

WhatThatwhatwhatwhat（that）（that）thatRules1.that在名词性从句中不充当任何成分，只起连接作用2.what除起连接作用外，还在名词性从句中充当成分，可做从句的主语、宾语、或表语。第32页，共84页，星期日，2025年，2月5日注意2：whether与if的辨用1.Whetheritistrueremainsaproblem.2.Itremainsaproblemwhether/ifitistrue.3.Heaskedwhether/ifMarywouldattendtheceremony.4.Itdependsonwhetherwehavegotenoughmoney.5.Thequestioniswhetheryoushouldacceptit.6.Thequestionwhetherhe’llattendthemeetingisimportant.7.Ididn’tknowwhethertolaughortocry.8.Idon’tknowwhether/ifitisrightornot.Rules1.在由形式主语it引导的主语从句及在vt动词后面的宾语从句中，表“是否”，whether/if都可以用；2.在前置主语从句、表语从句、同位语从句和跟在介词后面的宾语从句中，表“是否”，只能用whether；3.在whether…ornot和whethertodo中whether不能换成if第33页，共84页，星期日，2025年，2月5日Practicetimeif/whether1.Idon’tknow___________heiswellornot.2.___________wewillholdapartyintheopenairtomorrowdependsontheweather.3.Ithasntbeendecided____________weshallattendthemeeting.4.Thedoctorcanhardlyanswerthequestion

__________theoldmanwillrecoversoon.whetherwhetherwhetherwhether/if第34页，共84页，星期日，2025年，2月5日I.在空格处填上适当的词，使下列定语从句和同位语从句完整。1.Thisisthemountai