什么时候关系代词前加介词?

分类: 作业答案 • 2022-05-06 09:55:50

问题描述：

什么时候关系代词前加介词?

答

定语从句中的词组含有介词,而这个介词放到关系代词前去了,或地点时间前的介词．如:This is the day on which you were born.They are looking for the boy to whom you wrote yesterday.

先行词是the way,place,time,reason关系副、代词何时可省?为什么这句要加where:We've all used thermometers to measure temperature but sometimes we need to measure temperature in places WHERE you can't put a thermometer.语法说,先行词是the way,表示方式,可用that（可省）或in which来引导一个定语从句.如果先行词是时间或原因,也可用that（可省）或when或why来引导定语从句.如：（1）This was the reason that/why he was late yesterday.（2）This is the last time that I shall give you a lesson.这句是道改错题,还要加上where 是什么原因?没表达清楚，我的意思是that代替关系副词，那么我这道改错题为何还要加
两道高中英语填空题,请讲明理由,谢谢!1. I am very thankful to my good teachers _____ I can't go to college .2. The stories about Lei Feng , _____ this is an example ,are well written .请用介词+关系代词填空.
英语里面否定前缀怎么加?否定前缀in,im,un等,什么时候用什么?和要加的词有关系吗?有规律没?
如何在定语从句的连词前加介词.The pencil ——which he wrote was broken.请说明理由.
一道英语从句的题,The topic,_____ we devoted a full discussion,is to be presented to our teacher at class.[ ]A.whichB.whereC.to which D.for which 说是定语从句,可是定语从句中介词+关系代词不是等于关系副词吗?为什么不能是B?
定冠词前加不加the有一道题Japan lies to ( )of ChinaA the east B east C in eaet D on east选哪个?而且帮我区分一下这四个选项分别在什么时候用通俗的讲解一下.方向前什么时候不加the,直接用、
化学阿伏加德罗定律的运用在120摄氏度时分别进行如下四个反应,若反应在容积固定的容器内进行,反应前后气体密度和气体总压强分别符合关系式ρ前＝ρ后和p前>p后的是注：化学物质前面是系数.A.2C2H2（g）+5O2=2H20+4CO2 B.CH4+2O2=2H2O+CO2C.C4H8(g)+6O2=4H2O+4CO2D.2H2S(g)+O2=2H2O+2S(L)主要是过程为什么,谢谢,解释的好再追加分数
next morning前加什么介词?
用正确的介词和关系代词填空,Her bother,both( )work here,ring her up every weekHer brothers,both( )work here,ring her up every week
不及物动词在疑问句末时什么时候加介词?什么时候不加?
介词+关系代词
10^(3.721838379×10^37) ——这个数字有多大?

什么时候关系代词前加介词?

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