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2019年中考英语易混知识点汇总(3)

2019-03-15 15:28:46中考网编辑
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  [考点]

  must “必须”;

  have to“不得不”;

  need “必须;需要”;

  can(could)“能;可能”;

  may (might) “可以;可能”;

  shall,will (would)“将;会;愿意;要”;

  should“应当”。

  “had better (not) + 动词原形”表示建议;

  have to / has to / had to的否定,疑问形式要借助于助动词do / does / did。

  四. There be 的句子结构

  There be是一个“存在”句型,表示“有”的意思,

  肯定句的形式为:There be + 名词(单数或复数)+地点状语或时间状语。

  be动词单复数的确定,看be后边第一个名词,当所接主语为单数或不可数名词时,be动词形式为is;当所接主语为复数名词时,be动词为are;当be动词后接两个以上主语时,be动词与最临近主语保持数上的一致。意思为“某地有某人或某物”。如:

  There is an eraser and two pens on the desk. 桌子上有一块橡皮和两支钢笔。

  There are two pens and an eraser on the desk. 桌上有两支钢笔和一块橡皮。

  (1)there be的否定句,即在be的后面加上not。

  否定形式为:There be + not + (any) + 名词+地点状语。

  There is not any cat in the room. 房间里没猫。

  There aren't any books on the desk. 桌子上没书。

  (2)there be句型的疑问句就是将be提到句首:Be there + (any) +名词+地点状语

  肯定回答:Yes, there is / are. 否定回答:No, there isn't / aren't.

  -Is there a dog in the picture?画上有一只狗吗

  -Yes, there is. 有。

  -Are there any boats in the river?河里有船吗

  -No, there aren't. 没有。

  (3)特殊疑问句:How many . . . are there (+地点状语)

  某地有多少人或物回答用There be . . .

  There's one. / There are two / three / some . . .

  有时直接就用数字来回答。One. / Two . . .

  -How many students are there in the classroom?教室里有多少学生

  -There's only one. / There are nine. 只有一个。/有九个。

  (4)如果名词是不可数名词,用:How much + 不可数名词 + is there + 地点状语

  How much water is there in the cup?杯中有多少水

  五. 中考对定语从句的考查:

  1.定语从句的功用和结构

  在复合句中,修饰某一名词或代词的从句叫做定语从句。被定从句修饰的词叫做先行词。定语从句必须放在先行词之后。引导定语从句的关联词有关系代词和关系副词。例如:

  This is the present that he gave me for my birthday

  2.关系代词和关系副词的功用

  关系代词和关系副词用来引导定于从句,在先行词和定语从句之间起纽带作用,使二者联系起来。关系代词和关系副词又在定语从句中充当一个成分。关系待客做主语,宾语,定语,关系副词可作状语。

  1. 作主语:关系代词在定语从句中作主语时,从句的谓语动词的人称和数须和先行词一致。例如:

  I don’t like people who talk much but do little.

  The cars which are produced in Hubei Province sell very well.

  2. 作宾语:She is the person that I met at the school gate yesterday.

  The book that my grandmother gave me is called “The Great Escape”.

  3. 作定语

  关系代词whose在定语从句中作定语用。例如:

  What’s the name of the young man whose sister is a doctor?

  The girl whose father is a teacher studies very hard.

  4. 作状语

  I’ll never forget the day when I first came to Beijing.

  三. 各个关系代词和关系副词的具体用法

  1. who 指人,在定语从句中作主语。例如:

  The person who broke the window must pay for it.

  The boy who is wearing the black jacket is very clever.

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