keep as,keep for;desides,except;to of的区别keep as,keep for;desides,except;to of(意思指.的)的区别(答好多分)还有while和when的区别会几个答几个

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keepas,keepfor;desides,except;toof的区别keepas,keepfor;desides,except;toof(意思指.的)的区别(答好多分)还有while和when的

keep as,keep for;desides,except;to of的区别keep as,keep for;desides,except;to of(意思指.的)的区别(答好多分)还有while和when的区别会几个答几个
keep as,keep for;desides,except;to of的区别
keep as,keep for;desides,except;to of(意思指.的)的区别
(答好多分)
还有while和when的区别
会几个答几个

keep as,keep for;desides,except;to of的区别keep as,keep for;desides,except;to of(意思指.的)的区别(答好多分)还有while和when的区别会几个答几个
一、 except用于表示同类事物之间的关系,其意为"除……以外"、"除去".
1. except后面可接名词、代词、动词、副词、介词短语和从句等.如:
We have an English lesson every day except Sunday. 除星期天外,我们每天有一堂英语课.(接名词)
They all went to the park last Sunday except him. 除了他以外,上星期天他们都去公园了.(接代词)
Every day Mary does nothing except watch TV. 每天玛丽除了看电视以外什么都不干.(except后接动词时,一般为带to的动词不定式.但如果except前面有谓语动词do或其相应形式时,后面通常接省略to的动词不定式.如此句.)
He always goes to work by bike except recently. 除最近外,他一般都骑自行车上班.(接副词)
After breakfast the students went nowhere except to school. 吃完早餐,学生们除了上学就不到别处去了.(接介词短语)
My father usually goes to work by bike except when it rains. 除下雨天外,我爸爸通常骑自行车上班.(接从句)
2. except常用在all, whole, any, every, no等词,及anything, anybody, anyone, everything, everybody, everyone等不定代词之后.如:
She ate everything on the plate except the carrots.除胡萝卜外她把盘子里的东西都吃了.
I've cleaned all the rooms except the toilet. 除了厕所,我清扫了所有房间.
二、 except for用于表示对主要部分的肯定和对局部的否定.它不表示同类事物之间的关系,其意思为:
1. "除了……以外".如:
Smith is a good man, except for his bad temper. 史密斯除了脾气不好外,是个好人.
The movie was good except for the ending. 这部电影除了结尾之外都很好.
2. "除去为了……".如:
Mother wouldn't give him any money except for books and stationery. 除了买书和文具外,妈妈不给他任何钱.
3. "如果不是","若非".如:
Except for you, I would pass the exam. 如果不是你,我就会通过考试.
4. "except for+名词"结构一般可以改写成"except+that从句".如:
This will do except for the length.= This will do except that it is too long. 如果不是它太长的话,这会很好.
All are here except for the absence of Tina. = All are here except that Tina is absent. 除了蒂娜以外,大家都在这里.
三、 except与except for的互换
1. except与except for有时可以通用,不过,一般情况下,except for可置于句首,而except则不能.如:
Everyone is here except Tom. (或:Except for Tom everyone is here.)除汤姆外,大家都到了.
2. except与except for在句中也可互换.
一般来说,否定句中用except,肯定句式可以用except for来替换.如:
This article has no blunders except a few mistakes.这篇文章除了一点小错外没有大错.
此句可改为:This article is instructive except for a few blunders. 这篇文章除了有些错误外,是有教育意义的.
不过,在前后有相称的同类词语时,应用except,否则用except for.如:
We come to school every day except Sunday. 除星期天外,我们天天上学.(句中every day与Sunday同类)
This dress is ready except for the buttons. 衣服做好了,只是钮扣未缝上.(句中ready与buttons不同类)
四、 excepting是由动词转化而来的分词介词,用法较正式,含有较强的动态意味,意为"把……除外",与except在用法上有不同之处:
1. 可用于句首,或用于not, without, always等词后;
2. 其后常常用名词或代词.如:
Bruce answered all the questions excepting the last one. 除了最后一个问题外,布鲁斯都答出来了.
Excepting Sundays, the library is open daily. 除了星期天外,图书馆天天开放.
I think we must keep improving our English not excepting those who have mastered it. 我认为我们必须不断提高我们的英语水平,对那些已掌握了英语的人也不例外.
All the people in my family go to work every day, always excepting my youngest sister. 我家所有的人每天都上班,除了我那个最小的妹妹以外.
巩固练习:
用except, except for或excepting填空.
1. She usually goes to work on her bike ________ when it rains.
2. The whole staff, not ________ the heads of departments, went to the playground.
3. His account is correct ________ that some details are omitted (省略,遗漏).
4. The office is empty ________ Alice.
5. I would go ________ it's too late.
6. All the essays are good ________ John's.
7. Everybody must study, ________ those who have a better grasp of Marxism.
8. The wall was bare ________ a map of the world.
9. I have looked for my wallet everywhere ________ there.
10. I would join you ________ my headache.
11. We can ask him for some advice at any time ________ during his holidays.
12. His composition is good, ________ some spelling mistakes.
13. John wasn't remembered, ________ by some of us who had known him.
14. There was silence in the room, ________ the tick of the clock on the wall.
15. The pair of trousers fits me well ________ the waist of it is a little too small.
Key:
1. except 2. excepting 3. except 4. except for 5. except 6. except 7. excepting 8. except for 9. except 10. except for 11. except 12. except for 13. except 14. except for 15. except

while
n.
一会儿, 时间
conj.
当...的时候, 虽然
vt.
消磨
prep.
<古><方>直到
when
conj.
就在那个时候, 在...的时候
adv.
什么时候, ...的时候
pron.
什么时侯, 那时
我记得while后面动词为ing格式 ...

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while
n.
一会儿, 时间
conj.
当...的时候, 虽然
vt.
消磨
prep.
<古><方>直到
when
conj.
就在那个时候, 在...的时候
adv.
什么时候, ...的时候
pron.
什么时侯, 那时
我记得while后面动词为ing格式 when后面是原形或过去式或是别的 The bell was ringing, when she made the cake. While she was making the cake, the bell rang. 大部分情况下是这样 也有特殊情况
besides 和except
都含“除...外”的意思。
besides指“除...外, 另外还有”, 着重“另外还有”, 如:
I have five other books besides this.
除这本以外, 我还有五本别的书。
except的含意是“从整体里减去一部分”, 因为“所说的道理或事实不能适用于那部分”, 着重于“排除在外”, 如:
We all went there except Xiao Li.
除了小李以外, 我们都到那儿去了。
to
prep.
[表示方向、时间]朝...方向; 向; 往; 到
from north to south
从北到南
go to school
上学
keep to the right
靠右边走
turn to the left
向左转弯
ten minutes to nine 9
点差10分
[表示终点、程度、范围]达到, 到; 趋于, 倾向
be tired to death
累得要死
change from bad to worse
每况愈下
to a certain degree [extent]
到某种程度[范围]
punctual to the minute
一分钟都不差
be rotten to the core
烂透了
[表示对立, 反面, 对应]针对;
a hand-to-hand fight
白刃战
face to face
面对面
contrary to it
与此相反
[表示对比、比较、选择]比; 对
equal to ...
等于
inferior to ...
次于
I prefer this to that.
我宁愿要这个, 不要那个。
The picture is true to life.
这画栩栩如生。
The score was 9to 6.
比分是九比六。
[表示间接关系]给..., 于...
I give a book to him.
我给他一本书。
My mother wrote to her yesterday.
我妈妈昨天给她写了信。
It seems to me that...
在我看来...
[表示结果、效果]致, 致使
shoot a wolf to death
把狼射死
tear to pieces
扯碎
to one's surprise
使某人吃惊
to the point
恰到好处
to no purpose
落空
[表示目的]为了; 作为
call to witness
叫...做证人
come to the rescue
前来营救
drink to one's health
为某人的健康干杯
to that end
为了那个目的
[表示对象]于; 对于
be kind to sb.
对某人很好
be open to public
向公众开放
duty to the state
对于国家的义务
the right answer to a question
对问题的正确回答
to my knowledge
就我所知
To him it is a trouble.
对他来说, 这是个麻烦。
[表示结合, 归属]归于
belong to
属于
the key to my office
我办公室的钥匙
a private secretary to the minister
部长的私人秘书
Such a man is an honor to his country.
这样的人是他国家的光荣。
[表示适合; 配合; 按照]按, 按照; 随同, 伴随
sing [dance] to the music
配合音乐唱歌[跳舞]
not to one's taste
不合...所好
adopt it to one's needs
适合某人的需要
set words to music
给音乐谱写歌词
put milk to coffee
加牛奶于咖啡中
[表示关连、联系]对于, 至于, 关于
What did she say to that?
关于那件事她说些什么?
[表示数量与单位的关系]每
12 to the dozen
一打有十二个50
persons to the square kilometre
每平方公里五十人
[表示原因]由于
fall to one's opponent's blows
受到对手的打击而倒下
[to oneself]专对; 专为...单独所有[所用]
have the room to oneself
独住一间
think to oneself
自忖
talk to oneself
自言自语
keep oneself to oneself
不与人来往
of
prep.
[表示所属关系](属于)...的
man of that time
那个时代的人
[表示关于](关于)...的
a long story of adventure
一个很长的冒险故事
[表示同位关系]
the city of Rome
罗马市
the name of James
詹姆士这个名字
[表示性质、内容 、状况等]
a look of pity
令人哀怜的神色
a man of ability
能干的人
[表示数量、种类]
a kind of oil
一种油
three pieces of meat
三块肉
[表示部分或全部]
five of us
我们中五个人
the five of us
我们五个
[表示...中最突出的]
the heroofheroes
最杰出的英雄
in one's heart of hearts
在内心深处
[表示在...方面]
be difficult of access
难以进去(或接近)
be quick of eye
眼快
[表示起源、根源、原因]
be ashamed of
因...而羞愧
be sick of
厌恶
die of
死于...
[表示由...组成、做成]
a table of wood
木头桌子
[表示动作的对象]
the love of one's country
爱祖国、故乡
the telling of lies
说谎
[表示动作的主体]
the arrival of the delegation
代表团的到来
It is clever of you to do so.
你那样做真聪明。
[表示除去、剥削等]
cure sb. of a disease
医好某人的病
defraud sb. of a thing
骗去某人的东西
[表示方位、时间等的范围]
north of Boston
波士顿以北
of late years
近年来
three minutes of ten
[美]差三分钟到十点

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