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从零开始学语法:dare的两种用法

  He speaks English as Americans do.

  Remember, you must do everything as I do.

  4. 用于as...as...或not so/ as...as...中,前一个as是副词(副词后面跟形容词、动词、副词),后一个as是连词(连词后面可以跟动词、形容词、句子),引导比较状语从句。如:

  They helped the old man as often as possible.

  I don't speak English so/ as well as he does.

  5. 作"虽然"、"尽管"解,引导让步状语从句。常用倒装语序,即adj. /adv. / n.+ as +主语+谓语+主句。如:

  Tired as they were, they walked on.

  Child as he is, he knows a lot. (child前不用冠词)

  二、as作关系代词,引导定语从句,作"正如"、"这一点"解 。如:

  He is very careful, as his work shows.

  As is well-known, Taiwan belongs to China.

  另外,当先行词被the same, such等词修饰时,常用as来引导定语从句。如:

  Such a clever boy as he can learn anything quickly.

  I was reading the same book as he bought yesterday.

  三、as作介词的用法:

  as引导的介词短语大多用作状语,as译为"作为";少数情况可引起宾语补足语。如:

  As a League member, I'll take the lead in everything. (状语)

  She works as a doctor. (状语)

  They have me as one of their own children.(引起宾语补足语)

定冠词the的用法解析

  定冠词the与this/that/these/those/同源,意为“这个,那个,这些,那些”等。

  (1)特指上文提到过的特定的人或事物

  例如:I went to a nearby restaurant. The food there was good, but the service of therestaurant was terrible.我去了附近一 家饭店,那里的饭菜很好,但服务很糟糕。

  (2)特指上文虽未提及,但谈话人都知道的 人或事物

  例如:Close the windows before you lea ve the lab.离开实验室前请关上窗子。

  (3)用在表示宇宙间独一无二的事物的名词 前。

  例如:The sun was shining and birds w ere singing.阳光照耀,鸟儿啼鸣。

  (4)用在可数名词单数前表示一类人或事物

  例如:The brain is the ce

  (5)用在表示地点,方位和时间的固定短语 中

  例如:in the world 在世界上

  in the country在乡村

  at the corner在拐角处

  in the east在东方

  (6)用于序数词前或比较等级所修饰的名 词前

  例如:He is always the first to come a nd the last to leave.他总是第一个来最后 一个离开。

  (7)用于“the+比较级...,the+比较级...”结 构中

  例如:The more love we give ,the more love we will receive.我们付出的爱越多, 得到的爱就越多。

  (8)用于某些形容词或形容词化的过去分词 前表示一类人或事物

  The poor in Afica are still suffering fro m hunger.非洲的穷人依然在挨饿。

  (9)用于被演奏的西洋乐器名词前

  例如:Shall we dance to the guitar?我们 可以跟着吉他跳舞吗?

  (10)用于集体名词,物质名词前

  例如:The museum is open to the public .博物馆对公众开放。

  ntre of though t.大脑是思维的中心。

  (11)用于表示世纪或年代的词前

  例如:in the 19th century 在19世纪

  in the fifties 在50年代

  (12)用于“动词+sb.+介词+the+身体部位”的 结构中

  例如:The policeman caught the thief by the arm.警察抓住了小偷的胳膊。

  A stone hit me in the face as I wal ked by the garden.我从花园旁经过时一块 石头击中了我的脸。

  (13)用于“by+the+计量单位名词”结构中

  by the pound/foot/yard按磅/英尺/码

  (14)用于表示地名,组织名,江河,海洋,海湾,沙 漠等的专有名词前

  例如:the Great wall 长城

  the Yellow River黄河