Unit43.ThenI’mtootiredtodowell.然后就很累,考不好。too…to…意为“太…而不能”,出现在简单句中,常与so…that…句式、not…enoughtodo句式进行转换。e.g.Heistooyoungtogotoschool.=Heissoyoungthathecan’tgotoschool.=Heisnotoldenoughtogotoschool.他太小而不能上学。•1.Heisoldenoughtogotoschool.•Heis____________________that____________________gotoschool.•2.Shewassoweakthatshecouldn’ttakecareofherbaby.•Shewas________weak______takecareofherbaby.•那么在什么情况下三者可以相互转换呢?sooldhecantootoA.so…that与too…to的转换•1.当that引导的从句为否定式,且从句主语与主句的主语相同时,so…that可转换为too…to结构;•2.若从句主语与主句的主语不相同时,so…that可转换为too…forsbto结构。例如:•Sheissoyoungthatshecan’tgotoschool.•=Sheistooyoungtogotoschool.Theboxissoheavythathecan’tcarryit.•=Theboxistooheavyforhimtocarry.B.so…that与enoughto的转换•一、当that引导的从句为肯定式时,•1.若从句主语与主句主语相同时,so…that可转换为enoughto结构;•XiaoLinissooldthathecangotoschool.•=XiaoLinisoldenoughtogotoschool.•2.若从句主语与主句主语不相同时,so…that可转换为enoughforsbto结构。•Theboxissolightthathecancarryit.•=Theboxislightenoughforhimtocarry•二、当that引导的从句为否定式时,•1.若从句主语与主句主语相同时,so…that可转换为enoughto的否定结构;同时要注意,转换后的形容词(副词)要用其相应的反义词;•Themanissooldthathecan’tgotowork.•Themanisn’tyoungenoughtogotowork•4.若从句主语与主句主语不相同时,so…that可转换为enoughforsbto的否定结构。同时要注意,转换后的形容词(副词)要用其相应的反义词;•ThedeskissoheavythatIcan’tmoveit.•=Thedeskisn’tlightenoughformetomove.•C.enoughto的句式为否定式时,enoughto可以转换为too…to结构。但转换后的too…to结构中的形容词(副词)要用其相应的反义词。•Heisnotoldenoughtodothework.•=Heistooyoungtodothework.•Theproblemistoodifficultformetoworkout.•Theproblemisn’teasyenoughformetoworkout.•1.Thebookisinterestingenoughforeverybodytoread.Thebookis____interesting____everybodylikestoreadit.2.Theboyissoshortthathecan’treachthebuttonsofthelift.Theboyis_____short__________thebuttonsofthelift.Theboyisn’t___________________thebuttonsofthelift.sothattootoreachtallenoughtoreach•1.Thesoupissohotthatlcan‘thaveit.用too…to和so...that句型转化2.Thisquestionistoodifficultforustoworkout.用not..enoughto和so...that句型转化3.Theforestissobigthatwecan'twalkoutofit.用too…to和not..enoughto句型转化4.Thediverdrinkstoomuchbeer/biə/todrivethecarsafely.用not..enoughto和so...that句型转化5.Theboyistooyoungtogotoschool.用not..enoughto和so...that句型转化•1.Thesoupistoohotformetohave•Thesoupisnotcoolenoughformetohaveit.•2.Thisquestionissodifficultthatwecan'tworkitout.•Thisquestionisnoteasyenoughforustoworkout•3.Theforestistoobigforustowalkoutof•Theforestisnotsmallenoughforustowalkoutofit•4.Thedriverdrinksomuchbeerthathecan'tdriverthecarsafely.•hedriverdrinksbeernotlessenoughtodrivethecarsafely.•5.Theboyissoyoungthathecan'tgotoschool.•Theboyisnotoldenoughtogotoschool.