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1、名词性从句应注意的J种种新■汶中学明军名词性从句是学生学习中的重点和难点，这里简要介绍一下应注意的有阖题。探引导名词性从句的that在句子中无具体意思，不做成分，但在下列情况下,that不可省略：1.宾语从句被分隔；2.宾语从句不止一个时；3•引导主语从句、表语从句或同位语从句时。观he前加上that)「Idon4doiitta,nycase,hekeepshisword2.EveryonecouldseewhatwashappeningandpoorTomwasnearlyfrighten隹d・（and后加上that）3.T
2、heearthgoesroundthesunwasnotwidelyacceptedatthattim栓旬首加上That）4.Theproblemisfuelslikecoalandoilcausealotofpollutio在（is后加I上that）that引导，不5.Weheardthenewsourteamhadwo在（news后力口上that）※注意区分that,because和why有些名词teason,cause作句子主语时，其后的表语从句常可用because；because引导表语从句时用because••说••
3、明宦上述结果的原因；why引导从句时说明由上述原因导致的嗾課1-Thereasonisbecausheehasn'treceivedtheinvitattti.b（ecause改成that）Thereasonwhyhehasn'tooisrnbeecausehehasnJtreceivedtheinvfetion.（because改成that）2.1wasverylateforschoolthismorning.ThatwhyIstayeduptoeolatelastnight把why改成because）※注意区分that,i
4、f,whetherIdoubtthatthatwaswhathewanted扌出that改成if或whether）用whether不用if的情况：1）引导主语从句、表语从句和同位语从句时；2）在介词后引导宾语从句时;3）后面直接跟动词不定5S；4）后面紧跟ornot时；Whetherwe'llgocampingtomorrodwependsontheweather.Italldependsonwhethertheywillsupportus.Hedoesn'tkno/vwhdhertostayornot.Wedidnkntow
5、whetherornotshewasready.WedidnJtknowshewasreadyornot.※注意语序（一律用陈述语序）Whenwillthemeetingstartisunknowntoall.（扌巴willthemeeting改成themeetingwill）※四种特殊的宾语从句在下列动词后跟宾语从句时，从句的谓语动词体现攜即(should)+dOo这里我们把它总结为“一个坚持、命令；两个建议奎要求"insist(坚持,坚决要求)，order,suggestAdvise,require,demand,requ
6、est1」suggestthatweshouldstartatonce・2.Heinsistedthathebesenttothefrontline.3.Theworkersdemandedthatthebossshouldgiveariseassoonaspossible.Itissuggestedthatweshouldstartatonce.Itisdemandedthatthebossshouldgiveariseassoonaspossible.%wish后面的宾语从句表示“难以实现或不能实现的愿望;谓语胡现为虚拟航
7、1.从句表示与现在事实相反时，从句用一进去时（did/were)；2.从句表示与过去事实相反时，从句用过去咸时（haddone）；3•从句表示将来不能实现的愿望时，多用could/would+d0o1)IwishIwereabird・2)Hewishedhehadfinishedhishomeworkyesterday.3)IwishIcouldflytothemoononeday.%当主句的主语为第一人称須为think,believe,suppose,imagine时，宾语从句的谓语为否定形式时，否定应转施护「Idon5tt
8、hinkyouareright.2.WedidnJtbei^vheatthiswastrue・※为了避免句子成分不清楚，结构不平衡，在think,consider,make,fee等词后面，常用it作形式宾语，将真正的宾语从句放在后面。eg：1」thinkitusefulth
