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1、定语从句难题讲解 同学们在定语从句的复习中应该注意以下要点: (一)关系代词that和which使用时应注意的几点 1.在下列情况下只用that,不用which ①先行词是all,everything,nothing,anything,little,much,theone等不定代词时 Thereisnothing(that)Icando. Imeantheonethatwasbroughtyesterday. ②先行词被all,any,every,no,some,little,much等词修
2、饰时 Ihavereadallthebooks(that)yougaveme. Youmaytakehomeanyofthesebooksthatyoulike. ③先行词被序数词或形容词最高级修饰时 Thisisthefirstcomposition(that)hehaswritteninEnglish. Thisisthebestnovel(that)Ihaveeverread. ④先行词被theonly,thevery(正是,恰是),thesame,thelast修饰时 Thewhit
3、efloweristheonlyone(that)Ireallylike. Thisistheverybook(that)Iwanttofind. Thelastplace(that)wevisitedwasthehospital. ThisisthesamewatchthatIlostyesterday. ⑤当先行词有两个或两个以上时,既有人又有物,定语从句用that引导(that既可指人也可指物) Hetalkedabouttheteachersandschoolsthathehadvisi
4、ted. 2.下列情况不能使用that,而用which ①that不能引导非限制性定语从句 Football,whichisaveryinterestinggame,isplayedallovertheworld. ②that不能置于介词之后(介词后指物用which,指人用whom) ThepersontowhomIamspeakingjustnowisourEnglishteacher. Theprizeforwhichheworkedsohardwasanewbicycle. (二)as
5、做关系代词的用法 1.关系代词常出现在thesame…as,such…as,so…as,as…as等结构中 ThisisnotsuchabookasIexpected. Iliveinthesamebuildingashe(livesin). Hereissobigastoneasnomancanlift. Asmanychildrenascamehereweremyfather’spupils. ★thesame…that…和thesame…as…的区别 Ihaveboughtthesam
6、ewatchasyouhave. 我买了一块和你一样的手表。(我的手表和你的手表很像,但不是同一块。) ThisisthesamewatchthatIlost.这就是我丢的那块手表。(这手表和我丢的手表是同一块) 2.as引导非限制性定语从句,指代逗号前的整个句子(即先行词),可置于句首或句末。 Thiselephantislikeasnake,asanybodycansee. Marywaslateforschool,asoftenhappened. Asisknowntoall,theea
7、rthisround. ★as指代一句话和which指代一句话的用法区别 as的这种用法通常出现在一些固定短语之中如: 1.ashasbeensaidbefore如上所述 2.asmaybeimagined正如可以想象出来的那样 3.asiswellknown众所周知 4.aswasexpected正如预料的那样 5.ashasbeenalreadypointedout正如已经指出的那样 6.asweallcansee正如我们都会看到的那样 which则不需要,例如: Themandi
8、edlastnight,whichisalie. as替代一句话即可放句首也可放句末,而which只能放句末。 (三)定语从句中的主谓一致 引导词在定语从句中作主语时,其谓语动词人称和数要根据引导词所指内容而定。例如: 1.Herearesuchsentencesasareoftenusedbythestudents.(as指代sentences,谓语动词用are)。 2.I,whoamaPartymember,sh