Grammar Focus 1.ppt

Unit2ReviewIthinkthatthey’refuntowatch.Marythinksthattheteamswerefantastic.Billwonderswhetherthey’llhavezongziagainnextyear.Iwonderifit’ssimilartotheWaterFestivaloftheDaipeopleinYunnanProvince.IknowthattheWaterFestivalisreallyfun.Iwonderifthey’llhavetheracesagainnextyear.IwonderwhetherJuneisagoodtimetovisitHongKong.IbelievethatAprilisthehottestmonthinThailand.IknowthattheWaterFestivalisreallyfun.Objectclauseswiththatifandwhether一、宾语从句的概念1.Ihear(that)_______________________.2.Hesaid(that)______________________.3.Theteachertoldus(that)_______________________________.连词that不能省略的几种情况在由that引导的宾语从句中由于连词that只起引导功能无具体意义不担当任何成份因此在口语或非正式的文体中常可省略。然而大凡规则总有例外的情况在下列that引导的宾语从句中that则不能省略。2.that从句中含有主从复合句。如：I’mafraidthatifyou’velostityoumustpayforit.3.主、从句之间有插入语时。如：Itsayshereonthiscardthatitwasusedinplays.卡片上写着它是古代演戏用的。4.若出现两个或两上以上的由that引导的宾语从句且由并列连词连接时只有第一个连词that可以省略。如：Shesaid(that)shewouldcomeandthatshewouldalsobringherson.她说她要来还要带她的儿子来。Whichofthefollowingsentenceshasanobjectclause?Ⅰ.if和whether引导宾语从句时作“是否”讲一般情况下二者没有区别可以换用。但if常用于口语中whether比较正式。如：Millieaskedif/whetherhelikedthissweater.米莉问他是否喜欢这件毛衣。Thefishermanwantstoknowif/whetheritwillrain.渔民想知道天是否会下雨。Ⅱ.if和whether引导宾语从句时要注意宾语从句三要素即连词、语序和时态。由于if和whether连接的是一般疑问句因此要注意把从句语序改为陈述句语序。如：DoesMrZhaoliveinRoom208?Couldyoutellme?→Couldyoutellmeif/whetherMrZhaolivesinRoom208?Haveyougotanyfish?CanIfly?Ⅲ.if和whether的区别二者在下列几种情况下不能换用：1.宾语从句置于句首表示强调时应用whether不用if。如：WhetherthisistrueornotI’mnotsure.这是否是真的我不确定。2.宾语从句与ornot直接连用时应用whether不能用if。如：Idon’tknowwhetherornothewillcometomorrow.我不知道他明天是否来。3.与动词不定式连用时只能用whether。如：Shecan’tdecidewhethertogotoAmerica.她不能决定是否去美国。4.从句作介词宾语时只能用whether。如：IworryaboutwhetherIhurtherfeeling.