however和whereas的区别|however和whereas语法难点详解

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我们在学习英文的语法知识的时候，有时候会将差不多的词搞混，例如：however和whereas，知道however和whereas语法吗?下面是小编给大家带来的however和whereas语法难点详解，以供大家参考，我们一起来看看吧!

however和whereas语法难点详解

However和whereas的用法不同。请遵守下面的规则，以避免错误。

Use 'however' (followed by a comma) at the beginning of a sentence to contrast with the previous sentence:

在句首使用however(后面要加逗号)来表示和前一句意思相反。

Some people believe that schools are responsible for the behaviour of their students. However, others argue that discipline is the responsibility of parents.

Use 'whereas' (after a comma) to contrast two ideas in the same sentence:

Whereas用于同一句内的两个相反意见(前面要加逗号)。

Some people believe that schools are responsible for the behaviour of their students, whereas others argue that discipline is the responsibility of parents.

You can use 'on the other hand' or 'by contrast' in the same way as 'however'. You can use 'while' instead of 'whereas'.

On the other hand和by contrast的用法和however相同，而while和whereas的用法一样。

however的语法用法详解

▼1. 用作副词，注意以下用法：

(1) 表示让步，意为“无论如何”“不管怎样”，用来修饰形容词或副词，其词序为：however+形容词或副词+主语+谓语。这样用的however其实具有连词的功能，用以引导一个让步状语从句。如：

However much he eats, he never gets fat. 不管他吃多少，他永远吃不胖。

However cold it is, he always goes swimming. 不管天有多冷，他都去游泳。

However far it is, I intend to drive there tonight. 不管有多远，我今晚也要开车到那儿去。

这样用的 however 与 no matter how 大致同义。如：

No matter how much he eats, he never gets fat.

No matter how cold it is, he always goes swimming.

No matter how far it is, I intend to drive there tonight.

有时从句谓语可用情态动词。如：

Don’t laugh, however funny it may be. 无论多么有趣也不要笑。

I’ll try to finish it in time, however hard it may be. 无论多么难，我也要按时完成。

另外，“however+形容词或副词+主语+谓语”有时可以有所省略。如：

I refuse, however favourable the conditions. 不管条件如何有利，我都不干。(conditions后省去了are)

I’d rather have a room of my own, however small (it is), than share a room. 无论房间多么小，我宁愿一个人住一间，而不愿意与别人合住一个房间。

A grammar rule, however true (it is), is useless unless it can be understood. 一条语法规则，不管如何正确，除非能懂，否则毫无用处。

(2) 表示转折，尤其用于谈及一个既成事实时，表示转折，其意为“可是”“仍然”等。可放在句首、句中或句末，通常用逗号与句子其他成分隔开。如：

My father, however, did not agree. 但是，我父亲不同意

My room is small; however, it’s comfortable. 我的房间很小，但却很舒服。

He said that it was so; he was mistaken, however. 他说情况如此，可是他错了。

注意，however不能像 but(但是)那样直接连接两个句子(注意正句中的标点符号)。如：

我们都已尽了最大的努力，不过我们还是输了。

误：We all tried our best, however we lost the game.

正：We all tried our best, but we lost the game.

正：We all tried our best; however, we lost the game.

正：We all tried our best. However, we lost the game.

(3) 表示惊奇或强调，相当于how ever的用法，其意为“究竟怎样，到底以什么方式”。如：

However did you get here without a car? 没有汽车你究竟是怎样来的呢?

However does he manage to write music when he is so deaf? 他聋成这个样子，究竟是怎样从事作曲的呢?

▼2. 用作连词，引导方式状语从句，表示“无论以何种方式”“不管怎样”。如：

However it may be, I shall take your word. 无论如何，我将会相信你的话。

The painting looks wrong however you look at it. 这张画不论怎么看都显得不对劲。

However you travel, it’ll take you at least two days. 无论你怎么个走法，至少要两天时间。

whereas的语法用法详解

▼连接词 conj.

1.(用以比较或对比两个事实)但是,然而,尽管

Some praise him,whereas others condemn him.

有些人赞扬他,而有些人谴责他.

2.(用于正式文件中句子的开头)鉴于 (法律用语)

▼名词 n.

以“whereas”开头的公文

1."And","but"and"whereas" are conjunctions.and,but和whereas是连词.

2.Some of the studies show positive results,whereas others do not.有一些研究结果令人满意,然而其他的则不然.

3.They want a house,whereas we would rather live in a flat.他们想要一座房子,而我们宁愿住在一套房间里.

4.Some praise him,whereas others condemn him.有些人赞扬他,而有些人谴责他.

5.Whereas I was blind,now I see.我过去双目失明,现在则重见天日.

c.Materialists face truth,whereas idealists shun it.唯物主义者面向真理,唯心主义者则逃避真理.

7.Religion is a diffuse topic liable to unending disputation whereas theism is not.宗教是一个容易引起无休止争论的弥散型话题,而有神论则不是.

8.Whereas the medical doctors' wives don't flop--catch 'em at it!而医生的老婆却不用祷告——你见过她们祷告么!

Pensions are linked to inflation,whereas they should be linked to the cost of living.养老金与通货膨胀挂钩,然而它们其实应该和生活费用挂钩.

10.Some people praise him,whereas others condemn him.有些人赞扬他,而有些人谴责他.

while, whilst和whereas语法详解

While和whilst一样，但whilst要更正式些(一本著名的语法书这么说的)。

Whereas is always used for contrast. While/whilst can be used for contrast, or to mean "at the same time".

Whereas总是用于表示相反的意见。While和whilst既可以表示意思相反，也可以表示“与此同时”。

As can mean "because" or "exactly at the moment when".

As可以表示“因为”，也可以指“就在那时”。

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