定语从句只用that而不用which的五种情况

定语从句中：只用that而不用which的五种情况1）当先行词是：all,any,anything,everything,nothingtheone,much,few,little或被它们修饰时。例如：IsthereanythingthatIcandoforyou?有什么可以为你做的吗？Allthatcanbedonemustbedone.凡是能做的都必须做。2）当先行词被形容词的最高级或序数词修饰时。Thatisoneofthemostinterestingbooksthataresoldinthebookshop.那是这家书店出售的最有趣的书之一。Thefirstthingthatweshoulddoistogetsomefood.我们该做的第一件事是弄点吃的。3）当先行词有：theonly,thevery,thesame,thelast等修饰时。Mynecklaceisnottheonlythingthat'smissing.我的项链不仅是丢掉的东西。4）当主句以who或which开头时，定语从句中引导词用that,不用which或who。以避免重复。Whoisthegirlthatiswearingaredcoat?正穿一件红色外套的女孩子是谁？5）当先行词既有人又有物时，用that。Thewriterandhisnovelthatyouhavejusttalkedaboutarereallywellknown.你刚才谈起的那位作家以及他的小说确实很著名。