alone
［误］ The old man lived lone but he didn't feel lonely. ［正］ The old man lived alone, but he didn't feel lonely.
［析］ alone, lone, lonely 三个词全具有“孤单、孤独”之意。但其用法不同：lone 可以作定语，而 alone 则只能作表语，lonely 则多指感情上与感觉上的孤独。
already
［误］ We are already for the work. ［正］ We are all ready for the work.
［析］ already 是副词，其意为“已经”，如：He already knew about it. 而 all ready 为形容词意为“准备好”。
already, yet
already 多用于肯定句中，例如：The students have already finished the work. 而 yet 则多用于疑问句与否定句中，如：Have you finished it yet? I haven't finished it yet.
also
［误］ I didn't find the dictionary also. ［正］ I didn't find the dictionary either.
［析］ 作为“也”讲，在否定句中要用 either 而不能用 also.
also, too
also 与 too 都可用在肯定句中表示“也”，但 also 通常用于 be 动词或情态动词之后，如：I can also do it myself. 而 too 一般放于句尾。I'll attend his class, too.
always
［误］ Always he asked himself why he had come here. ［正］ He always asked himself why he had come here.
［析］ always 一般不能用于句首，它在一般句中的位置是于动词之前第一助动词之后，如：I've always thought he is honest. 又如：He is always late.
among
［误］ If the three apples are divided among the two boys how much will each receive? ［正］ If the three apples are divided among the three boys how much will each receive? ［析］ among 常用于三个事物或人物之间，而 between 则多用于两者之间。
an
［误］ This is an useful dictionary.
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［正］ This is a useful dictionary. ［析］ 详见 a 条。
and
［误］ He did not speak loudly and clearly. ［正］ He did not speak loudly nor clearly.
［误］ Our school is not in New York and Chicago, but in Boston. ［正］ Our school is not in New York or Chicago, but in Boston.
［析］ “和”这一概念在肯定句中应用 and，但在否定句中则要用 or。
angry
［误］ My mother was angry to me. ［正］ My mother was angry with me. ［误］ He was angry with what I said. ［正］ He was angry at what I said.
［析］ 要注意 be angry 后面如果接人，表示“对某人生气不满”时应用 be angry with somebody. 但要接事物时要用 be angry at something.
another
［误］ I have two sisters, one in America and another in English. ［正］ I have two sisters, one in America and the other in English.
［析］ 要注意英语中 another, other, the other, the others, others 的不同用法，现分别说明如下：another 作形容词其意为：泛指的另一个或再一个，别的，类似的。一般在句中作定语，如: This is not good enough, please show me another one. another 还可以作为代词用，如：One student said：“I want to play baskball.”another said：“I want to play football.”other 作形容词其意为“泛指其余的，别的”。如：I have other books besides these. 又如：Ask some other people please. the other 则为特指，作形容词时其后面可接单数或复数名词，如：She has two flowers. One is white, the other one is yellow. (特指，单数)又如：There are fifty students in our class, twenty five are boys, the other students are girls. (特指，复数)但当 the other 作为代词时，它代表的可以是单数，也可以是复数，如：He has a book in one hand, and a pen in the other. (单数)又如：There are some people in the room. Four are girls, the other(复数)are boys. 要注意的是当 the other 作主语时，其后面的谓语动词要视具体情况而定，它可能是单数，也可能是复数。others 则只能作代词，其意为 other ones 即为：泛指某些，某一部分人或物，如：Each of us must think of others. 而 the others 只能作为代词，它是特指某一些人或物，如：I know only one or two of the students; the others are unknown to me.
answer
［误］ Someone is knocking at the door. Please reply the door bell.
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［正］ Someone is knocking at the door, Please answer the door bell.
［析］ answer 与 reply 是近意词，作为及物动词用时有时二者是可以互换的，如：The student answered/replied that he wanted to watch TV. 但在某些特定场合则不易互换。作为应答之意时则多用answer，如：You should answer to your name. Please answer my letter as soon as possible. Answer my question in English.
any
［误］ Do you have some questions? ［正］ Do you have any questions?
［析］ some一般要用于肯定句，而any则用于否定句或疑问句。 ［误］ China is larger than any other countries in Asia. ［正］ China is larger than any other country in Asia.
［析］ 要注意 any other 其后要跟单数名词，但 any of the other 其后要接复数名词。 China?is larger than any of the other countries in Asia. ［误］ Here are some books; you can choose anyone of these. ［正］ Here are some books; you can choose any one of these.
［析］ anyone 只能指人，而 any one 即可指人，也可以指物。
around
［误］ The nine planets go around of the sun. ［正］ The nine planets go around the sun.
［析］ around后面不要再加介词，如：The sun shines all around us.
around, round
作介词用的 around 与 round 通常可以互换，只不过美语常用 around，而英语常用 round，例如：You can see the post office round/around that corner. (绕过那个弯你就可以看到邮局。但是一定要区别它们的不同之处：round 可以用作形容词、副词、介词、动词、名词；而 around 只能用作副词或介词。例如：The post office is just round (around) the house (用作介词). He has round face (用作形容词). The river rounded the stones. (用作动词)
arrive
［误］ I arrived Beijing the day before yesterday. ［正］ I arrived in Beijing the day before yesterday. ［正］ I reached Beijing the day before yesterday. ［误］ He arrived in the school at 11∶00. ［正］ He arrived at the school at 11∶00.
［析］ arrive 为不及物动词，当到达的是较大的地理区域时用介词 in，而到达较小的地方时则用 at, 如：arrive in New York, arrive at the village.
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arrive, reach, get
arrive 如上所述是不及物动词，而 reach 则是及物动词。如：How did you reach the school this morning? 而 get 可用作不及物动词，作“到达”讲时其后面多与 to 连用。如：When did you get to New York?
as
［误］ This man works in the bank for a manager. ［正］ This man works in the bank as a manager.
［析］ as 与 for 有时是可以通用的。如：This room is used as (for) a classroom. 但是用来指官衔、职位时只能用 as.
［误］ My brother is so taller as Tom. ［正］ My brother is as tall as Tom.
［析］ as … as 之间只能用形容词与副词的原级，而不能用比较级。在否定句中可以用 so … as，也可以用 as … as，但在肯定句中只能用 as … as，如：He is not so tall as Tom. ［误］ I'll give him the note as soon as he will come. ［正］ I'll give him the note as soon as he comes.
［析］ as soon as 所引导的状语从句中应使用一般时态表示将来。
ask
［误］ The student asked a question to the teacher. ［正］ The student asked the teacher a question.
［析］ ask应接双宾语，即ask somebody something. ［误］ They asked some books. ［正］ They asked for some books.
［析］ 向某人要求某物时应用 ask somebody for something 或 ask for something from somebody, 如：He asked his mother for some money. 或He asked for some money from his mother.
asleep
［误］ He is deeply asleep. ［正］ He is fast asleep.
［析］ 要讲“熟睡”，就要用 fast 来修饰 asleep。另外，在英语中一般不讲 somebody is sleeping 而要用 asleep。关于睡觉这一词的惯用法还有：go to sleep (如：The old man usually goes to sleep at ten.)， fall asleep(如：I fell asleep at English class yes terday.)
at
［误］ It will really do you no harm quite. ［正］ It will really do you no harm at all.
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［析］ at all 和 quite 的汉语意思均为“全然”、“确定的”，但 at all 适用于否定句，例如： --I'm sorry. I'm late.? --No trouble at all. ?
又如：I don't think it is right at all. 而 quite 则适用于肯定句，例如：He is quite a good teacher.
［误］ The children play football for lunch. ［正］ The children play football at lunch. ［析］ 英语中的 at lunch 为“在吃午饭时”。这种惯用法还有 at work(在工作)，at table(在吃饭)，at desk(在学习)。而 for lunch 则是为午饭而准备的食物，又如：We had some milk for breakfast.?
［误］ There is a post office in the corner of the street. ［正］ There is a post office at the corner of the street.
［析］ at the corner 是指墙外面的角，而 in the corner 是指建筑物内部的角落。例如：There is a computer in the corner of the room. There is a street lamp at the corner of the street.
at, in, on
在表示时间时用来表示具体钟点用 at，如：He will be back at six. 表示一天的上、下午时要用 in,如：I usually get up at six in the morning. 但要注意的是，in the morning 和 in the afternoon 这两个词组中如果加入了任何修饰词，其介词要换为 on， 如：on the cold morning, on the hot afternoon. 又如：See you on Monday morning. 如讲到具体的某一天，要用 on, 如：on Sunday, 如：I usually want to visit my mother on Sundays. 在谈到周、月、季、年时要用 in，如：All the children will be happy in Easter week. He was born in July. 但要注意在泛指圣诞节、复活节、感恩节时都用 at, 如：Where are you going at Easter.
B back
［误］ I'm sorry. I have to back home. ［正］ I'm sorry. I have to go back home. ［正］ I'm sorry. I have to go home.
［析］ back 用作“回到(某处)”之意，不是动词。
be
［误］ Where do you from? ［正］ Where are you from?
［析］ “你从何处来”应为 Where are you from? 或 Where do you come from? 但要注意这两句话均是问对方从哪个国家来的。要是口语中问“你是从什么地方来?”应讲 Where did
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