作业帮英语七下第七单元 什么时候用with,be of,has
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英语七下第七单元 什么时候用with,be of,has
一.have和has在用于英语表达动词“有”的含义时,前者使用于第一人称、第二人称和各人称复数,has用于第三人称单数,同时它们也作为完成时态的助动词存在,其用法和做实义动词“有”的规则也是一样的.
had是have的过去时态,和完成时.
助动词have的用法
1）have +过去分词,构成完成时态,例如：
He has left for London. 他已去了伦敦.
By the end of last month, they had finished half of their work.
上月未为止,他们已经完成工作的一半.
2）have + been +现在分词,构成完成进行时,例如：
I have been studying English for ten years.
我一直在学英语,已达十年之久.
3）have+been +过去分词,构成完成式被动语态,例如：
English has been taught in China for many years.中国教英语已经多年.
动词have/has表示"有"时,它通常有三个含义:
A.表示"某人(在物质上的)所有."这种情况下不能用there be替换.如:
I have a new watch. 我有一块新表.
He has a good friend. 他有一个好朋友.
B.表示"某人或动物(在身体上的)长有".这种情况也不能用there be替换.
如:
She has blue eyes. 她的眼睛是蓝色的.
A horse has two ears. 马有两只耳朵.
C.表示"某物体(在结构上的)装有".这种情况可以用there be替换.如:
A clock has a round face.= There is a round face on a clock.
钟上装有一个圆型的钟盘.
That room has only two windows.= There are two windows in that room.
那个房间仅装有两扇窗户.
The school has 14 classes. = There are 14 classes in the school.
那个学校有14个班级.
D.另外,表示"某人手中有某物"时,也用have/has.例如:
Mary has a glass of water in her hand. 玛丽手中端着一玻璃杯水.
二.be of
of介词短语在句中作表语,of的含义有六种,分述如下：
1、“be of+抽象名词”,这时的of短语相当于这个名词的同根形容词,作为表语表示主语的性质或特征.of的意思是“具有、具备”等,常用于该结构的名词常见的有
of use=useful；of nouse=useless；of importance=important等.如：
The matter is of great importance.=The matter is very important.
在形容词前常用very来修饰,在“of+抽象名词”结构中,名词前常用great, much等来修饰.再如It is o fgreat importance for college students to master a foreign language.
=Itisveryimportant...对大学生来说,掌握一门外语是很重要的.
2、“be of+集合名词或其它类型的名词”,相当于belong to或have.of表示归属关系或“有”的意思.如：The army and the people are of one family.
=The army and the people belong to one family.军民是一家.
3、“be of+物质名词”表示主语是“用某种材料构成或制作的”,相当于be made of或be built of.如：Our building was of bricks.=Our building was built of bricks.
我们的楼房是砖建的.
4、be of+(表示种类、颜色、年龄、形状、价格等）名词,多用来表示主语的特征.这类结构的主语可以是人,也可以是物,其中的of可以省略.常用于该结构的名词有：kind,age,colour,size,height,shape,type,way,price等.如：
Several of the stamps were of the unusual kind.其中几张邮票是不同种类的.
The two boys are of the same age.这两个男孩年龄相同.
She is of a different way of thinking.她的思维方式与众不同.
These two kinds of article are of the same price.这两种物品价格相同.
5、“be of+名词”也可以表示“来源、组成”.如：
He was of a poor peasant family.他出身贫农家庭.
The committee is of seven people.该委员会由7人组成.
6、“be of+形容词的最高级”相当于one of.如：
Mr.Wang is of the best teachers in our school.
=Mr Wang is one of the best teachers in our school.
王老师是我们学校里最好的老师之一.
The English teacher of ours is of the quickest temper.
=The English teacher of ours is one of the quickest temper.我们的英语老师脾气最急躁
三、with
With是个介词,基本的意思是“用”,但它也可以协助构成一个极为多采多姿的句型,在句子中起两种作用；副词与形容词.
with在下列结构中起副词作用：
1.“with+宾语+现在分词或短语”,如：
(1) This article deals with common social ills, with particular attention being paid to vandalism.
2.“with+宾语+过去分词或短语”,如：
(2) With different techniques used, different results can be obtained.
(3) The TV mechanic entered the factory with tools carried in both hands.
3.“with+宾语+形容词或短语”,如：
(4) With so much water vapour present in the room, some iron-made utensils have become rusty easily.
(5) Every night, Helen sleeps with all the windows open.
4.“with+宾语＋介词短语”,如：
(6) With the school badge on his shirt, he looks all the more serious.
(7) With the security guard near the gate no bad character could do any thing illegal.
5.“with+宾语＋副词虚词”,如：
(8) You cannot leave the machine there with electric power on.
(9) How can you lock the door with your guests in?
上面五种“with”结构的副词功能,相当普遍,尤其是在科技英语中.
接着谈“with”结构的形容词功能,有下列五种：
一、“with+宾语+现在分词或短语”,如：
(10) The body with a constant force acting on it. moves at constant pace.
(11) Can you see the huge box with a long handle attaching to it ?
二、“with+宾语+过去分词或短语”
(12) Throw away the container with its cover sealed.
(13) Atoms with the outer layer filled with electrons do not form compounds.
三、“with+宾语+形容词或短语”,如：
(14) Put the documents in the filing container with all the drawers open.
四、“with+宾语+介词短语”,如：
(15) The young lady with a red ribbon on her head is my former maths teacher.
(16) Do you know the gentleman with both hands in his pockets?
五、“with+宾语+副词虚词,”如：
(17) Is there any water in the kettle with this cover off ?
(18) Out went the boy scouts with their uniforms on.
希望对你有帮助,加油呦
had是have的过去时态,和完成时.
助动词have的用法
1）have +过去分词,构成完成时态,例如：
He has left for London. 他已去了伦敦.
By the end of last month, they had finished half of their work.
上月未为止,他们已经完成工作的一半.
2）have + been +现在分词,构成完成进行时,例如：
I have been studying English for ten years.
我一直在学英语,已达十年之久.
3）have+been +过去分词,构成完成式被动语态,例如：
English has been taught in China for many years.中国教英语已经多年.
动词have/has表示"有"时,它通常有三个含义:
A.表示"某人(在物质上的)所有."这种情况下不能用there be替换.如:
I have a new watch. 我有一块新表.
He has a good friend. 他有一个好朋友.
B.表示"某人或动物(在身体上的)长有".这种情况也不能用there be替换.
如:
She has blue eyes. 她的眼睛是蓝色的.
A horse has two ears. 马有两只耳朵.
C.表示"某物体(在结构上的)装有".这种情况可以用there be替换.如:
A clock has a round face.= There is a round face on a clock.
钟上装有一个圆型的钟盘.
That room has only two windows.= There are two windows in that room.
那个房间仅装有两扇窗户.
The school has 14 classes. = There are 14 classes in the school.
那个学校有14个班级.
D.另外,表示"某人手中有某物"时,也用have/has.例如:
Mary has a glass of water in her hand. 玛丽手中端着一玻璃杯水.
二.be of
of介词短语在句中作表语,of的含义有六种,分述如下：
1、“be of+抽象名词”,这时的of短语相当于这个名词的同根形容词,作为表语表示主语的性质或特征.of的意思是“具有、具备”等,常用于该结构的名词常见的有
of use=useful；of nouse=useless；of importance=important等.如：
The matter is of great importance.=The matter is very important.
在形容词前常用very来修饰,在“of+抽象名词”结构中,名词前常用great, much等来修饰.再如It is o fgreat importance for college students to master a foreign language.
=Itisveryimportant...对大学生来说,掌握一门外语是很重要的.
2、“be of+集合名词或其它类型的名词”,相当于belong to或have.of表示归属关系或“有”的意思.如：The army and the people are of one family.
=The army and the people belong to one family.军民是一家.
3、“be of+物质名词”表示主语是“用某种材料构成或制作的”,相当于be made of或be built of.如：Our building was of bricks.=Our building was built of bricks.
我们的楼房是砖建的.
4、be of+(表示种类、颜色、年龄、形状、价格等）名词,多用来表示主语的特征.这类结构的主语可以是人,也可以是物,其中的of可以省略.常用于该结构的名词有：kind,age,colour,size,height,shape,type,way,price等.如：
Several of the stamps were of the unusual kind.其中几张邮票是不同种类的.
The two boys are of the same age.这两个男孩年龄相同.
She is of a different way of thinking.她的思维方式与众不同.
These two kinds of article are of the same price.这两种物品价格相同.
5、“be of+名词”也可以表示“来源、组成”.如：
He was of a poor peasant family.他出身贫农家庭.
The committee is of seven people.该委员会由7人组成.
6、“be of+形容词的最高级”相当于one of.如：
Mr.Wang is of the best teachers in our school.
=Mr Wang is one of the best teachers in our school.
王老师是我们学校里最好的老师之一.
The English teacher of ours is of the quickest temper.
=The English teacher of ours is one of the quickest temper.我们的英语老师脾气最急躁
三、with
With是个介词,基本的意思是“用”,但它也可以协助构成一个极为多采多姿的句型,在句子中起两种作用；副词与形容词.
with在下列结构中起副词作用：
1.“with+宾语+现在分词或短语”,如：
(1) This article deals with common social ills, with particular attention being paid to vandalism.
2.“with+宾语+过去分词或短语”,如：
(2) With different techniques used, different results can be obtained.
(3) The TV mechanic entered the factory with tools carried in both hands.
3.“with+宾语+形容词或短语”,如：
(4) With so much water vapour present in the room, some iron-made utensils have become rusty easily.
(5) Every night, Helen sleeps with all the windows open.
4.“with+宾语＋介词短语”,如：
(6) With the school badge on his shirt, he looks all the more serious.
(7) With the security guard near the gate no bad character could do any thing illegal.
5.“with+宾语＋副词虚词”,如：
(8) You cannot leave the machine there with electric power on.
(9) How can you lock the door with your guests in?
上面五种“with”结构的副词功能,相当普遍,尤其是在科技英语中.
接着谈“with”结构的形容词功能,有下列五种：
一、“with+宾语+现在分词或短语”,如：
(10) The body with a constant force acting on it. moves at constant pace.
(11) Can you see the huge box with a long handle attaching to it ?
二、“with+宾语+过去分词或短语”
(12) Throw away the container with its cover sealed.
(13) Atoms with the outer layer filled with electrons do not form compounds.
三、“with+宾语+形容词或短语”,如：
(14) Put the documents in the filing container with all the drawers open.
四、“with+宾语+介词短语”,如：
(15) The young lady with a red ribbon on her head is my former maths teacher.
(16) Do you know the gentleman with both hands in his pockets?
五、“with+宾语+副词虚词,”如：
(17) Is there any water in the kettle with this cover off ?
(18) Out went the boy scouts with their uniforms on.
希望对你有帮助,加油呦