as的用法
1、as做介詞,意思是“作為”
例句:
French is known as the most beautiful language in the world.
法語以世界上最美麗的語言著稱。
2、as做連詞,引導(dǎo)時(shí)間狀語從句,意思是“當(dāng)……的時(shí)候”
例句:
My mother was cooking fish as I arrived home.
當(dāng)我到家的時(shí)候,我媽媽正在做魚。
3、as做連詞,引導(dǎo)原因狀語從句,意思是“因?yàn)椤?/p>
例句:
As rain has fallen, the air is cooler.
因?yàn)橄逻^雨,所以空氣比較涼爽。
4、as做連詞,引導(dǎo)讓步狀語從句,意思是“雖然”
例句:
Young as he is, he has been one of the most famous painters in our country.
雖然他還很年輕,但已經(jīng)成為我們國(guó)家最有名的畫家之一。
5、as做連詞,引導(dǎo)方式狀語從句,意思是“以……方式”
例句:
Do as the Romans do when in Rome.
入鄉(xiāng)隨俗
6、as做關(guān)系代詞,引導(dǎo)定語從句
例句:
This is the same game as I played yesterday.
這和我昨天玩的游戲一樣。
though用作連詞,有雖然,即使等含義。用作副詞時(shí),有不過,可是,然而等含義。though引導(dǎo)的讓步狀語從句可用部分倒裝的形式。
though的用法
一、用作連詞
表示“雖然”,although 比 though 更為正式:兩者大致同義,可換用。
Though (Although)it was barely four o’clock, the lights were already on.
盡管才四點(diǎn)鐘,燈已經(jīng)亮了。
Though (Although)we are poor, we are still happy.
我們雖然窮,仍然很快活。
二、用作副詞
though 可用作副詞,一般放在句末(不放在句首),意為“可是”、“不過”。
I like him. Though he makes me angry sometimes.
我喜歡他,不過他有時(shí)惹我生氣。
三、用于倒裝
though 引導(dǎo)的讓步狀語從句可用部分倒裝的形式(注意:倒裝后位于句首的名詞之前不用冠詞)