O
o'clock
［误］ It's ten past five o'clock.
［正］ It's ten past five.
［析］ o'clock所表达的时间是正点，如果要表达的时间是几点几分或差几分几点都不能用o'clock.
once
［误］ Please come and see me once.
［正］ Please come and see me one day.
［析］ once用来谈论过去的事情，而不能谈论未来。如果要谈及未来要用one day, some time等。
［误］ I met him one time when I was a student.
［正］ I met him once when I was a student.
［析］ 英语中一次应用once而不用one time，二次要用twice而不用two times.
one
［误］ My grandfather wants to live for hundred years.
［正］ My grandfather wants to live for one hundred years.
［误］ He threw away the old dictionary and wanted to buy new one.
［正］ He threw away the old dictionary and wanted to buy a new one.
［误］ His dog is bigger than my one.
［正］ His dog is bigger than mine.
［析］ 一般物主代词之后不用one，除非one前有修饰词，如my old one， 否则要用名词性物主代词。
［误］ One of the teacher is in the office.
［误］ One of the teachers are in the office.
［正］ One of the teachers is in the office.
［析］ One是句子的主语，其谓语动词应用单数，而of后面的名词要用复数名词。
［误］ One third of the books is sent to the students.
［正］ One third of the books are sent to the students.
［析］ 几分之几或百分之几这一结构用在主语位置，其谓语动词要与of后面的名词一致，如Two thirds of the work is done.
open
［误］ Are the banks opened today?
［正］ Are the banks open today?
［析］ 要注意open即可用作动词、名词，还可以用作形容词，而close则不同。请看： Are the banks closed today?这一句是正确的。
or
［误］ He doesn't drink and smoke.
［正］ He doesn't drink or smoke.
［析］ 否定句中的并列连词要用or而不用and.
［误］ He neither drinks or smokes.
［正］ He neither drinks nor smokes.
other
［误］ Where are the others students?
［正］ Where are the other students?
［正］ Where are the others?
［析］ other作形容词时没有复数形式，且作为泛指讲时没有定冠词，如： Ask some other eople. 而加定冠词后为特指。 the other可在句中作主语、宾语或定语，如： Now let me show you the other. (宾语) He has two sons. One is a worker, the other is a teacher. (主语) others 只能作代词，而the others则为特指，如： There are five books. Two of them are not good. I like the others.
out
［误］ She went out the classroom, taking a dictionary with her.
［正］ She went out of the classroom, taking a dictionary with her.
［析］ out of是指"从……里出来"，使用时不要将of丢掉。
P
paper
［误］ Please give me two letter papers.
［正］ Please give me two sheets of letter paper.
［析］ paper作为纸讲为不可数名词。
［误］ Each student must write paper on what he learned.
［正］ Each student must write a paper on what he learned.
［析］ 这里的paper作为论文讲，是可数名词。paper的这种用法还可以用于证件、报纸、考卷等。
parent
［误］ My parents and I are both interested in football.
［正］ My parents and I are all interested in football.
［析］ parents即为父母、双亲，指两个人，加上自己为三个人，所以只能用all而不能用both.
pass
［误］ The ship pasted the channel.
［正］ The ship passed the channel.
［析］ pass为动词，而past则为副词，不要混淆，如： My father has been ill for the past two weeks. All the students passed the exam.
pay
［误］ Please help me do this job, and I will pay for you later.
［正］ Please help me do this job and I will pay you later.
［析］ 为某工作付给工人工资应为pay somebody, 而pay for something是为某物付款，如： You can buy all the things you want. I'll pay for those.
people
［误］ There are five hundred peoples here.
［正］ There are five hundred people here.
［误］ There is only one people.
［正］ There is only one person.
［误］ People there is friendly.
［正］ People there are friendly.
［析］ people作为人讲时为复数名词，如要讲一个人应用one person, 而不能用people, 讲若干人时用people而不能加s，这样的用法还有police(警察)等，这些概念用单数时要换其他的词. 如： people-a person; police-policeman policewoman; youth-a young man/woman.
picture
［误］ There are some spots in the picture.
［正］ There are some spots on the picture.
［误］ There is a young woman on the picture.
［正］ There is a young woman in the picture.
［析］ 指溅落在画面上的灰尘，污物是on the picture，即讲与画面内容无关的东西用on，而in the picture用于讲画面的内容。
pity
［误］ What pity that her mother must always suffer!
［正］ What a pity that her mother must always suffer!
［析］ pity作为遗憾之事讲常加不定冠词；但要注意作为同情、怜悯讲则不加冠词，为不可数名词，如： I feel pity for you. 它还可以用作动词，如： He pitied the poor people.
［误］ I have pity for you.
［正］ I have pity on you.
［析］ 可怜某人时应用have (take) pity on somebody，这是个惯用法。
place
［误］ Last year he went to America. He travelled from place to another.
［正］ Last year he went to America. He travelled from place to place (from one place to another).
［析］ 到处译为英文时为from place to place请不要在place之前加冠词。这种用法在有些语法书中叫作零冠词用法，如：一户挨一户为door by door，手拉手为hand in hand.
［误］ The accident was taken place in that street.
［正］ The accident took place in that street.
［析］ take place为发生，它不能用于被动态，这样的词还有happen等。
［误］ There is no place in the bus.
［正］ There is no room in the bus.
［析］ room这里为不可数名词，意为空间，即没有地方了。place多指场所所在之地。
［误］ I came here to take place of Mr Smith.
［正］ I came here to take the place of Mr Smith.
［析］ take the place of 意为代替、取代某人某事。
play
［误］ Do you want to play guitar?
［正］ Do you want to play the guitar?
［误］ I like to play the bridge.
［正］ I like to play bridge(桥牌).
［析］ play作为玩讲时，在各种乐器前要加冠词，在各种体育运动前则没有冠词。
please
［误］ My friend pleased me to his birthday party yesterday.
［正］ My friend invited me to his birthday party yesterday.
［析］ please作为动词时其词义不是请，而是高兴、愿意等意，如： She always does what she pleases. (她总是想做什么就做什么。)又如： It's hard to please all. 而please作为请讲时为语气词，多用于祈使句中，如： Please come in.
［误］ Both the teacher and the mother were pleased to the little girl.
［正］ Both the teacher and the mother were pleased with the little girl.
［析］ 对某人表示满意、喜欢，应用be pleased with somebody. 对某事感到高兴和满意时多用be pleased at或about，但有时也可用with，却不能用of.
pleasure
［误］ The boy gave his parents a lot of pleasures.
［正］ The boy gave his parents a lot of pleasure.
［析］ pleasure作为高兴、愉快、享乐、娱乐 讲时为不可数名词。
［误］ It is pleasure to work with you.
［正］ It is a pleasure to work with you.
［析］ pleasure作为一件或某件乐事、高兴之事讲时为 可数名词，如： It is one of my pleasures.
police
［误］ The police has not found the cause of the accident.
［正］ The police have not found the cause of the accident.
［析］ police为复数名词，它没有单数形式。如果要讲一个警察 要用a policeman，两个要用two policemen，或a policewoman, two policewomen.
prepare
［误］ I'm preparing the exam.
［正］ I'm preparing for the exam.
［误］ We'll return in time for you to prepare for dinner.
［正］ We'll return in time for you to prepare dinner.
［析］ prepare既是及物动词，又是不及物动词。作及物动词时 其后面所跟的事物是正在 准备的；而作不及物动词时for后面的事物是目标。如： I'm preparing for the exam. 应
译为我正在为考试做准备。同样的用法还有search与search for.
present
［误］ Don't worry. I can present the meeting.
［正］ Don't worry. I can be present at the meeting.
［析］ present作为出席、在场讲时，是形容词而不应 用作动词。其动词意为 送给;赠给;提出，如： The reporter presented arguments of his idea.
put
［误］ She put off her red dress and put on the green one.
［正］ She took off her red dress and put on the green on e.
［析］ 与put连用的介词很多，一般来讲on与off是一对相反的意 义的介词，如： turn on (打开)，turn off(关上)，穿衣服是put on，但脱衣服却只能用take off,而put o ff是推迟、使某人下车、关掉之意，如： They put off the exam because t he national holiday. (因国家假日而推迟考期。)Could you put me off at the Town Ha ll. (请在市政厅让我下车。)Please put off the wireless before you leave. (走之前 请关掉无线电。)
