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when是什么意思

来源:高中日记 时间:2017-10-28 点击: 推荐访问:where是什么意思

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when是什么意思篇(一):高中英语语法知识要点总结

when是什么意思_高中英语语法知识要点总结


  很多高中的学生在学习英语语法的时候,经常在英语课上听得一头雾水,似懂非懂,考试的时候却一团糟。下面是百分网小编为大家整理的高中英语语法知识总结,希望对大家有用!
  高中英语语法知识归纳
  状语从句
  状语从句是一种副词性从句,通常由一个从属连词或一个起连词作用的词组引导。
  1.时间状语从句
  由下列连词引导:when, while , as, before, after, once, till, until, once, as soon as, now that, hardly…when, scarcely…when, no sooner…than,有一些表示时间的副词(短语)或名词短语也可引导时间状语从句。如:directly, instantly, immediately, by the time,the moment, the second, the minute, the instant, every time, each time, next time, the last time等
  注意点如下: 1)when, while, as引导的时间状语从句
  as表示“当……的时候”,往往和when/ while通用,但它着重强调主句与从句的动作或事情同时或几乎同时发生。
  ①She came up as I was cooking.(同时)
  ② When I was walking down the street, I came across an old friend of mine.在街上走时,碰到一位老朋友
  when(at or during the time that )既可以表示在某一点的时候,又可表示在某一段时间内,主句与从句的动作或事情可以同时发生也可以先后发生。
  ①It was raining when we arrived.(指时间点)
  ②When we were at school, we went to the library every day.(在一段时间内)
  ③When we arrived there, the film had already begun.(先后发生)
  While强调一段时间里,仅表示从句和主句的动作同时发生,并且有延续意义,该从句中的动词一般要用延续性动词,从句中常用过去进行时态或一般过去时态;在when表示a period of time时,两者可以互换。
  ①Please don’t talk so loud while/when others are working. 其他人工作时请不要大声讲话。
  ②He fell asleep while/when reading. 读书时他睡着了。
  ③ While they were watching TV, I was preparing myself for the coming examination. Strike while the iron is hot.( 不可用as或when,这里的while意思是“趁……”)
  as表示主从句动作同时发生,所以常译作"一边…一边"。
  John sings as he works.
  当When引出的时间状语从句为系表结构,而且其主语和主句的主语一致,其表语又是一个名词时,就可以用 as 引导的省略句来代替。
  When he was a young man (= As a young man ) he was fond of hunting.
  高中英语语法时态知识
  一、 一般现在时
  1.概念:经常、反复发生的动作或行为及现在的某种状况。
  2.时间状语: Always, usually, often, sometimes, every week (day, year, month…), once a week(day, year, month…), on Sundays,
  3.基本结构:动词 原形 (如主语为第三人称单数,动词上要改为第三人称单数形式)
  4.否定形式:主语+am/is/are +not+其他; 此时态的谓语动词若为行为动词,则在其前加don"t, 如主语为第三人称单数,则用doesn"t,同时还原行为动词。
  5.一般疑问句:把be动词放于句首;用助动词do提问,如主语为第三人称单数,则用does,同时,还原行为动词。
  6.例句:It seldom snows here.这里很少下雪。
  He is always ready to help others.他总是乐于帮助别人。
  Action speaks louder than words.事实胜于雄辩。
  二、 一般过去时
  1.概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。
  2.时间状语:ago, yesterday, the day before yesterday, last week, last(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.
  3.基本结构:主语+动词或be的过去时+名词
  4.否定形式:主语+was/were +not+其他;在行为动词前加didn"t,同时还原行为动词。
  5.一般疑问句:was或were放于句首;用助动词do的过去式did 提问,同时还原行为动词。
  6.例句:She often came to help us in those days.那些天她经常来帮助我们。
  I didn"t know you were so busy.我不知道你是这么忙。
  高中英语语法知识
  一、a与one的对比
  1. 尽管a和one这两个在意义上有些相似,但它们几乎不能互换使用。
  2. 在连续记数时,习惯上,用one而不用a。
  3. 在名词前使用one往往表示数量上的对比。
  4. 用在某些固定词组中。
  e.g. all of a sudden(突然),as a matter of fact(事实上),in a hurry,in a word,do sb. a favour,pay a visit to,a hand of(少量的),a length of(一根、一段),a variety of(种种),a depth of(深度为),an article of(一件),a total of(总共),an average of(平均),one by one,one after another,one day
  二、不定冠词的基本用法
  1. 具有泛指的概念,表示“一类”或“其中的一个”。
  2. 初次提到某人或某物。
  3. 速度、比率、价格等,其意义相等于one或every。
  4. 用在某些物质名词前,该物质名词便具体化了。
  a coffee, a heavy rain
  5. 用在某些抽象名词前,该抽象名词前便具体化了。
  He has a knowledge of chemistry. The get-together was a great success.
  6. 用在专有名词前,表示类似的一个或某一个。
  He is a Kong Fansen. A Mrs Smith wishes to speak to you.
  7. 表示“同一个”的意思。
  The two boys are of an age.
  These umbrellas are of a (=the same) colour and size.
  8. 不定冠词的特殊位置:how/so/as/too+形容词+不定冠词+名词
  so kind a man = such a kind man too difficult a book

when是什么意思篇(二):单词got的中文是什么意思

when是什么意思_单词got的中文是什么意思


  英语单词got看似很简单的,但是不少人都是会忽略它的中文意思的。下文是百分网小编为大家准备了英文单词got实际的中文意思,希望能对大家有所帮助!
  got的中文意思
  英 [gɒt] 美 [gɑ:t]
  原级:get第三人称单数:gets现在分词:getting过去分词:got; gotten
  动词 得到(get的过去式和过去分词); 抓住; 说服; 受到(惩罚等)
  got的双语例句
  1. I am in a pickle because she got knocked up!
  我现在糟透了,因为她怀孕了。
  2. A: You"ve only got a slight cold.
  你只是有点轻微感冒,过一两天你就会好的。
  3. He got you to say he never has to call you again.
  他让你说他永远不用再打电话给你
  4. It was raining when I got up.
  当我醒来的时候,正在下雨。
  5. Anyway, I always got the feeling he thought I was too sensitive.
  反正,我总是觉得他认为我太敏感
  6. I don"t know what I am or how long I got.
  我不知道我是什么也不知道我能活多久
  7. Portfolio, 25sheets of work and four A-level sketch books with one of my own, that amount of work, really got me something amazingly shocking.
  我被收了,喜吉了,课也不想上了就出去旅游了。是杨瑞说到想要去希腊我就突然开始查Provence 的网页,看得我流口水结果又只跑去了巴黎。
  8. It"s got a big screen.
  它的屏幕很大。
  got的情景对话
  下岗
  A:I got laid off.
  我下岗了。
  B:That’s (terrible/ disappointing/ a real shame).
  这真(糟糕/是让人失望/丢人)。
  培训
  A:Where have you been?
  你去了哪里?
  B:I just got back from (camp/ school/ class).
  我刚刚(从营地/从学校/上课)回来。
  外企英语
  A:Let me check my schedule.
  让我看看我的日程安排。
  B:I’ve got so much to do.
  我有好多事要干。
  A:Don’t worry. You can do it.
  不用担心,你完全能干好!

when是什么意思篇(三):单词tired是什么汉语意思

when是什么意思_单词tired是什么汉语意思


  英语tired是一个很重点的单词,我们必须要知道它具体的汉语意思。下面小编将为你推荐英文单词tired详细的汉语意思,希望能够帮到你!
  tired的汉语意思
  英 [ˈtaɪəd] 美 [ˈtaɪərd]
  比较级:more tired最高级:most tired
  tired 基本解释
  形容词 疲倦的; 困倦的; 对…不耐烦的; 陈旧的
  动词 (使)疲劳( tire的过去式和过去分词); 对(做)某事感到厌倦
  例句
  1. She was tired of watching television.
  她看电视看得厌倦了。
  2. I was tired after shoveling snow all day.
  铲了一天的雪我很累了。
  3. You make me tired.
  你烦死我了。
  tired的单语例句
  1. If you are tired of the perpetual work in the urban hustle and bustle, a date with the sky is a perfect alternative.
  2. " I did a dozen Caesarean sections in one night, " a tired obstetrician was quoted as saying.
  3. Caffeine is a staple in office break rooms across the nation, pepping up adults who slog through their days feeling drowsy and tired.
  4. Now 31 and tired of battling against injuries, he has already said that he will call it a day after Germany.
  5. The"Volver"actress says she is tired of all the attention surrounding her looks and would much rather be admired for her acting talents.
  6. The caviar concentrates in this mask seek to revive and rejuvenate tired, mature skin.
  7. A man wanted for stealing cell phones two years ago decided to surrender to police after he recently got tired of evading jail.
  8. When they get tired of their way of life they may change it.
  tired的词典解释
  1. 疲劳的;累的
  If you are tired, you feel that you want to rest or sleep.
  e.g. Michael is tired and he has to rest after his long trip.
  迈克尔累了,他在长途旅行以后必须休息。
  2. (身体部位)显出倦意的,感到疲乏的
  You can describe a part of your body as tired if it looks or feels as if you need to rest it or to sleep.
  e.g. Cucumber is good for soothing tired eyes…
  黄瓜有助于舒缓眼部疲劳。
  e.g. My arms are tired, and my back is tense.
  我的胳膊很累,背部肌肉紧绷得难受。
  3. 厌烦的;厌倦的
  If you are tired of something, you do not want it to continue because you are bored of it or unhappy with it.
  e.g. I am tired of all the speculation...
  我厌烦了所有的推测。
  e.g. I was tired of being a bookkeeper.
  我厌倦了当簿记员。
  4. 陈旧的;陈腐的
  If you describe something as tired, you are critical of it because you have heard it or seen it many times.
  e.g. I didn"t want to hear another one of his tired excuses...
  我不想听他的又一个老掉牙的借口。

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