如何区分英语四大从句

名词性从句主语从句宾语从句表语从句同位语从句that引导的主语从句：1.Itis+adj.(obvious,true,natural,surprising,wonderful,funny,possible,certain,ect.)+that从句Itiscertainthatshewilldowellinherexam.that是否可以省略??Thatshewilldowellinherexamiscertain.()that在句首时绝对不能省.口语中that引导真正的主语时,that可省.2.Itis+名词词组（nowonder,agoodthing,apity,nosurprise,ect.)+that从句It’sapitythatwecan’tgo.that是否可以省略??Thatwecan’tgoisapity.()that在句首时绝对不能省.口语中that引导真正的主语时,that可省.3.Itis+过去分词（said,reported,thought,expected,decided,announced,arranged,ect.)+that从句ItisdecidedthatthemeetinghasbeenputofftillnextMonday.that是否可以省略??that在句首时绝对不能省.口语中that引导真正的主语时,that可省.ThatthemeetinghasbeenputofftillnextMondayisdecided.()________themeetingwillbegivenisstillaproblem.Itisdoubtful___________hewillcomehere.Whetherwhether/if主语从句放于句首，只能用whether当it作形式主语，主语从句放在句末时用whether或if均可。翻译:whether/if引导的主语从句明天是否开会仍然是个问题.他是否会来这还令人怀疑.??特殊疑问词引导的主语从句Itmakesnodifference_______weshallhavethemeeting.whereIthasnotbeendecidedyet____willpresidentoverthemeeting.whowhat,wh-ever引导的主语从句Whattheyneedisagoodtextbook.Whoeverdidthisjobmustberewarded.他们需要的是一本好课本.无论谁干了这件工作一定要得到酬谢.翻译:请说出以下句子that是否可省略Doyouknowthathehasjoinedthearmy?()I’msurethathewillpasstheexam.()adj.的宾语Wethinkithighlyprobablethatheisdead.由it作形式宾语时，that引导的真正宾语中，that不可省略。that引导的宾语从句：Idon’tcare_______hedoesn’tcome.Idon’tcare_____________hecomesornot.Idon’tcare_______ornothecomes.Idon’tknow_______togothere.Itdependson_________youcandotheworkwell.whetherwhether/if引导的宾语从句ifwhether/ifwhetherwhether宾语从句为否定句时用if介词后只能用whetherwhether+todowhetherornotwhether/if…ornot(口语中有时用if)特殊疑问词引导的宾语从句Ican’timaginehowhedidit.Weareworryingaboutwhatweshoulddonext.作介词宾语陈述语序what,wh-ever引导的宾语从句Weshallnotforgetwhen(=thetimewhen)themeetingwillopen.Shewillgivewhoever(=anyonewho)needshelpawarmsupport.Shewalkeduptowhere(=theplacewhere)hestood.Mydecisionisthatallofusaretostartat6o’clocktomorrowmorning.that引导的表语从句that是否可以省略??whether/if引导的表语从句Theproblemiswhetherthemeetingwillbegiven.此时的whether是否可以用if替换??特殊疑问词引导的表语从句MyquestionhowIshallgetintouchwithhimhadnotbeenanswered.What,wh-ever引导的表语从句Thisiswhereourproblemlies.asif/asthough,because,why引导的表语从句Itlookedasifitwasgoingtorain.ThatwaswhyIaskedforthreedays’leave.That’sbecausehedidn’tworkhardenough.because引导的表语从句,主语能不能是reason或cause??because是否可以换成since,as引导表语从句?that引导的同位语从句There’safeelinginmethatwe’llneverknowwhataUFOis–notever.连词that引导同位语从句时,应在某些抽象名词之后,如:fact,hope,desire,thought,suggestion,idea,news,problem,possibility等,对前面的名词起补充说明的作用.?that在同位语从句中是否做成分?that是否能省略?whether引导的同位语从句Ihavenoidea________themeetingwillbegiven.whether?此处是否可以用if?我不知道会是否要开.特殊疑问词引导的同位语从句MyquestionhowIshallgetintouchwithhimhadnotbeenanswered.what,wh-ever引导的同位语从句Igavethegirlabigdoll,exactlywhatshelongedtohave.同位语从句that引导的同位语从句whether引导的同位语从句特殊疑问词引导的同位语从句what,wh-ever引导的同位语从句名词性从句主语从句宾语从句表语从句同位语从句that引导的主语从句whether/if引导的主语从句特殊疑问词引导的主语从句what,wh-ever引导的主语从句主语从句that引导的主语从句whether/if引导的主语从句特殊疑问词引导的主语从句what,wh-ever引导的主语从句宾语从句that引导的宾语从句whether/if引导的宾语从句特殊疑问词引导的宾语从句what,wh-ever引导的宾语从句表语从句that引导的表语从句whether引导的表语从句特殊疑问词引导的表语从句what,wh-ever引导的表语从句asif/asthough,because,why引导的表语从句同位语从句that引导的同位语从句whether引导的同位语从句特殊疑问词引导的同位语从句what,wh-ever引导的同位语从句