内容正文:
高中必修第一册重庆大学版
【寒假专版】
A版知识点全解
寒假专版
【专题】Unit3 Powerful Music核心语法
限定性定语从句与情态动词专项突破
考频分析
重庆大学版必修第一册中,Unit3 Powerful Music相关语法是重点语法模块,考频占该单元语法总
量的15%左右,贯穿试卷核心题型:单项选择(1-2题)、完形填空(2-3题)、语法填空(1-2题)、
书面表达(辅助考察,影响语言表达丰富性)。在语境理解类题目中,该单元语法的应用及搭配往
往是解题关键。
考查内容
。限定性定语从句:关系代词与关系副词的选择、主谓一致及从句时态呼应
。情态动词:基本用法、被动语态结构及语境应用
知识点一:限定性定语从句
1.三大核心考察维度
1.关系代词选用:
。that、which、who、whom、whose的指代对象与句法功能辨析
2.关系副词应用:
·when、where、why引导从句时的先行词特征与成分补充作用
3.特殊用法规则:
·介词+关系代词的搭配规律
。关系代词在从句中作宾语时的省略条件
知识点二:情态动词基本用法及被动语态
1.can/could(能力、许可、可能性)
高中必修第一册重庆大学版
【寒假专版】
A版知识点全解
1.基本含义:
·ca:表示现在的能力(“能,会”)、许可(“可以”)、理论可能性
。could:表示过去的能力、委婉请求、较小可能性
2.主动语态:
。结构:主语+can/could+动词原形
。例句:I can swim across the river.
3.被动语态:
。结构:主语+can/could+be+动词过去分词
●例句:This task can be finished in an hour.
2.may/might(许可、可能性、请求)
1.基本含义:
·may:表示许可(较正式)、可能性、请求允许
·might:表示较小可能性、委婉请求
2.被动语态:
。结构:主语+may/might+be+动词过去分词
。例句:The meeting may be held next Monday.
3.must/have to(必须、肯定推测)
1.基本含义:
。nust:表示主观必须(否定形式mustn't表“禁止”)、肯定推测
·have to:表示客观需要(有人称/时态变化)
2.被动语态
·结构:主语+must+be+动词过去分词/主语+have/has/had to+be+动词过去分词
·例句:These rules must be obeyed by everyone,.
4.should/ought to(应该、建议)
1.被动语态:
。结构:主语+should+be+动词过去分词/主语+ought to+be+动词过去分词
·例句:Children should be protected well.
2
高中必修第一册重庆大学版
【寒假专版】
A版知识点全解
5.need(需要、必要)
1.被动语态:
·结构:主语+need+be+动词过去分词(多用于否定句/疑问句)
。例句:The door needn't be locked now.
知识点三:情态动词核心考点
1.基础含义及用法(中考必背)
1.can(能/会/何以)→例句:I can speak English and Chinese.
2.may(可以/何能)→例句:May I borrow your pen??
3.must(必须/一定)→例句:You must finish your homework on time.
2.否定形式及疑问结构(中考易错)
1.否定形式:
●can→can't(不能)→例句:He can't swim across the river:
·nust→nustn't(禁止)/needn't(不必)
2.疑问结构:
。Can+主语+动词原形?→例句:Can you play the guitar?
。Must+主语+动词原形?→例句:Must I finish it today?
3.情态动词表推测(中考核心)
1.must(一定,用于肯定句)→例句:Ie must be at home now.
2.may/might(可能,may可能性更大)→例句:She may come tomorrow.
3.can't(不可能,用于否定句)→例句:It can't be true.
解题小妙招
关系词选看先行,人用who whom that:
物用which that行,时间when地点where;
that用法有特殊,最高序数次不定:
既有人又有物,全用that准没错:
从句成分是关键,主宾定用关系代:
3
高中必修第一册重庆大学版
【寒假专版】
A版知识点全解
状语需用关系副,时间when地点where:
综合判断看特征,成分用法都兼顾。
考法精析
考法一:关系代词that的特殊用法
核心:根据先行词是否被序数词、最高级、不定代词修饰或既有人又有物,判断是否使用关系代词
that
真题1(语法填空):
This is the most interesting story_I have ever read.
答案:that
解析:先行词stoy被最高级”most interesting'”修饰,根据知识点一第3部分,先行词被最高级修饰
时关系代词用hat。
真题2(完形填空):
I still remember the teachers and schools_I met during my study.
A.which B.who C.that D.whom
答案:C
解析:先行词为the teachers and schools'”,既有人又有物,根据知识点一第3部分,先行词既有人
又有物时关系代词用that。
考法二:限定性定语从句与其他从句的区分及综合运用
1.与名词性从句的区分(引导词及功能差异)
。定语从句有先行词,名词性从句无先行词→例句:The news that he told me is true..(定语从句)
/The news that he will come is true..(同位语从句)
·定语从句引导词指代先行词,名词性从句引导词无指代→例句:I know the girl who is singing.
(定语从句)/I know who is singing.(宾语从句)
2.复杂句中的嵌套运用
。含多个定语从句的复合句→例句:The girl who is wearing a red d山ress that her mother bought for
her is my deskmate
。定语从句与状语从句嵌套→例句:I will never forget the day when we met for the first time although
I was late that day.
考法三:情态动词被动语态在限定性定语从句中的应用
4
高中必修第一册重庆大学版
【寒假专版】
A版知识点全解
核心:结合情态动词被动语态结构(情态动词+b+过去分词)与定语从句关系代词/副词用法
真题1(单项选择):
The letter_by her brother must be sent to the company_he works.
A.might write;which B.must be written;where
C.should written;that D.can be wrote;when
答案:B
解析:第一空letter”是”write”的承受者,需用情态动词被动语态;第二空先行词'company”表地点,
从句中缺地点状语,用where。
真题2(语法填空):
The books _(need not return)to the library now are the ones cover is blue.
答案:need not be returned;whose
解析:第一空情态动词need的被动语态结构为”need+be+过去分词';第二空先行词'ones”与'cover'
为所属关系,用whose。
真题演练
演练一:单项选择
1.The reason_he was late for class was_he missed the early bus.
A.why,because B.which;that C.why,that D.which;because
答案:C
2.I still remember the teachers and schools_I met during my study.
A.which B.who C.that D.whom
答案:C
演练二:语法填空
1.This is the most interesting storyI have ever read.
答案:that/which
2.The books_(need not return)to the library now are the ones-cover is blue
答案:neednot be returned,whose
答案区
演练-:1.C2.C
演练二:1.that/which
2.need not be returned;whose