[误] I think it is an useful English dictionary.?
[正] I think it is a useful English dictionary.?
[析] 在不定冠词a与an的用法中要注意的一点是:an用在以元音开头的词之前;而a则用在以辅音开头的词之前。要特别注意的是以u字母打头的单词,如useful,university等,其第一个音标是[j],所以要特别予以注意。
[误] I need a hour to finish this letter.?
[正] I need an hour to finish this letter.?
[析] 要注意hour和honest的第一个字母不发音。
[误] My teacher is a unknown man, but he is a very good man.?
[正] My teacher is an unknown man, but he is a very good man.?
[析] 要注意以u打头的单词,它的发音为[?]时,单数名词前要用an,如uncle等。
[误] There is a f in the word football.?
[正] There is an f in the word football.?
[析] 英文字母单独使用时,如其第一个发音是元音时,其前面的不定冠词应该用an而不是a.
[误] I have a little brother. He is a 8year old boy.
[正] I have a little brother. He is an 8 year old boy.
[析] 要注意这些字母的第一个发音为元音,如eight, eleven等。
able
[误] This bike is able to be repaired.?
[正] This bike can be repaired.?
[析] be able to 主要表达某事或某人具有某种能力去作某事,应译为有本领、有能力、可以作某事,如:Im able to swim across this river. 而can可以用来表示具有接受能力或吸收能力。如:This radio can be repaired here.
about
[误] This class is about to begin just now.
[正] This class is about to begin.
[析] 要注意be about to 是将要的意思,含有将来时之意,不要与表示过去时的时间状语连用。另外,be about to 一般用作书面语,对应的口语是be going to.
about on
about与on都可以作关于讲,但却有所不同,例如:This book is about physics. 应译为这是一本关于物理学的科普读物。而:This book is on physics.则应译为这是一本物理学方面的专著。?
above
[误] The temperature is five degrees over zero.?
[正] The temperature is five degrees above zero.?
[析] 表达在上方时,above与over是可以互换的,如:The sky is above(or over)our heads. 但是要表达在垂直方向上的上方时则应用above不可用over,如:The sun has risen above the horizon.?
[误] There is often thick cloud above the South of China in summer.?
[正] There is often thick cloud over the South of China in summer.?
[析] 当表达覆盖之意时,只可用over而不能用above.?
[误] There is a bridge above the river.?
[正] There is a bridge over the river.?
[析] 用来表达从上方越过时不能用above只能用over,如:The plane flew over the city. 但要注意There is waterfall above the bridge. 则应译为在桥的上游有一个瀑布。?
across ?
[误] He ran across the wood.?
[正] He ran through the wood.?
[析] across是指某一动作在一平面内进行,而through则是指该动作在一三维立体空间的运动过程。如:The man came in through the window. He walked across the square.
across ?
across的主要用法有两个。其一,意为对面,如:There is a school just across the street. 其二,意为横过,如:He walked across the street.?
afraid ?
[误] I dontt afraid of him.?
[正] I am not afraid of him.?
[析] 要注意害怕afraid一词在英语中不是动词,而是形容词,要与be动词连用。?
after ?
[误] Two weeks after he left.?
[正] Two weeks later he left.?
[正] He left after two weeks.?
[析] 要表达在多少时间之后,英语中有两种表达法,即:用later时,要时间在前,如three hours later; 而用after时要时间在后,如after three hours.?
[误] My father will be back after a few hours.?
[正] My father will be back in a few hours.?
[析] 受中文的影响,这个介词常常被误用。当你要表达在一段时间内某个动作可以完成时,一定要用in,而不能用after,因为after是指在某一时间之后。例如:This work will be done in two days. 即表明在两天内这一工作一定会做完。而如用了after,即表示在两天之后,完成的时间是不确定的。
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