英文频度副词
人教版英语七下_Unit 2 频度副词(语法专练)
同步语法思维导图-Unit 2 频度副词【知识导图】【要点拓展】1.频度副词按照频率的高低排列为: always>usually>often>sometimes>seldom>hardly>never2.sometime、sometimes、some time和some times辨析(1 ) sometime某一时间，过去或将来均可用We are going to have a party sometime next week.下周某个时候我们要举行一个聚会。
(2 ) sometimes有时，常用于描述现在或过去发生的情况Sometimes he goes to school by bike and sometimes by bus.有时他骑自行车上学，有时乘公交车。
(3 ) some time一段时间，此处的time为不可数名词Will you stay in Beijing for some time?你会在北京待一段时间吗?(4 ) some times几次，此处的time为可数名词，表示“次数”He has been told not to play computer games too much some times. 他被多次告知不要玩太多电脑游戏。
【奇思巧计】频度副词真不难，几句话儿记心间。
情be助后实动前，频率提问用how often。
频率高低不难选，根据意思来分辨。
【同步检测】1．Miss Zhou often stays up late. She s____________ goes to bed before 11 p.m.2．She likes music very much, but she has n________ been to a concert.3．Let’s go to the shop. There is h________ any food left in the fridge.4．There are showers ____（有时，不时）in autumn this year.5．Yang Jing is _________ (很少) late for school.6．Tom _____________ (通常) goes shopping on Friday evening with his mother.7．My parents a________（总是）ask me about my school.8．They have ____________（ever; never）been to London, so they want to go there. 9．The boss is so busy that he(seldom; often) plays with his children. 10．She likes studying and ____________ (sometimes; usually) comes to school early.【真题链接】（2021年徐州中考）11．I learned to skate quickly. At first, I fell down a few times, but now I ________ fall down. A．always B．often C．sometimes D．seldom（2021临沂中考）12．You and I are lucky as we’ve ________ had to worry about finding clean water. A．often B．usually C．never（2021济南历城中考二模）13．—Have you ever been to Hong Kong?—No, _______. I hope I can go there next year.A．never B．sometimes C．often D．always参考答案：1．seldom【详解】句意：周小姐经常熬夜。
频率副词类的英语单词
频率副词类的英语单词1. Always（总是）2. Never（从不）3. Often（经常）4. Rarely（很少）5. Sometimes（有时候）6. Frequently（频繁地）7. Regularly（定期地）8. Occasionally（偶尔）9. Seldom（很少）10. Generally（通常）11. Daily（每日）12. Weekly（每周）13. Monthly（每月）14. Yearly（每年）15. Hourly（每小时）频率副词类的英语单词，来300个1. Always（总是）2. Never（从不）3. Often（经常）4. Rarely（很少）5. Sometimes（有时候）6. Frequently（频繁地）7. Regularly（定期地）8. Occasionally（偶尔）9. Seldom（很少）10. Generally（通常）11. Daily（每日）12. Weekly（每周）13. Monthly（每月）14. Yearly（每年）15. Hourly（每小时）16. Annually（每年一次）17. Continuously（不断地）18. Usually（通常）19. Infrequently（不经常地）20. Occasionally（偶尔）21. Consistently（一贯地）22. Once（一次）23. Twice（两次）24. Three times（三次）25. Rarely（很少）26. Hardly ever（几乎从不）27. Every other week（每两周一次）28. Every three months（每三个月一次）29. Every day（每天）30. Every night（每晚）31. Every week（每周）32. Every month（每月）33. Every year（每年）34. Every few days（每隔几天）35. Every other day（每隔一天）36. Every other month（每隔一月）37. Every Tuesday（每周二）38. Every Thursday（每周四）39. Every Saturday（每周六）40. Every other Saturday（每隔一个星期六）41. On weekdays（工作日）42. On weekends（周末）43. Once in a while（偶尔）44. At times（有时候）45. From time to time（偶尔）46. Off and on（断断续续）47. Sporadically（零星地）48. Infrequently（不经常）49. Once or twice a week（一周一两次）50. A few times a year（一年几次）51. Very often（非常经常）52. Uncommonly（不常见）53. Seldomly（很少）54. Never again（再也不）55. Sometimes soon（很快有时）56. Not very often（不常）57. Just once（仅仅一次）58. At hourly intervals（每小时一次）59. Semiannually（半年一次）60. Semiweekly（每周两次）61. Quarter-hourly（每15分钟一次）62. Biennially（两年一次）63. In too large a percentage of cases（在太多的情况下）64. In many cases（在许多情况下）65. Infrequently（不经常）66. In rare cases（在极少数情况下）67. Infrequently（不经常）68. Intermittingly（断断续续）69. Irregularly（不规律地）70. More often than not（多半时候）71. Morning, noon and night（日日夜夜）72. Nightly（每晚）73. Now and then（偶尔）74. Occasionally（偶尔）75. Often enough（经常的）76. Quarter-hourly（每15分钟一次）77. Regular as clockwork（准时正点）78. Regularly timed（定时的）79. Repeatedly（反复地）80. Spasmodic（间歇性地）81. Sporadically（零星地）82. Sometimes（有时候）83. Sometimes sooner, sometimes later（有时更早，有时更迟）84. Sometimes this year（今年有时）85. Sporadically（不定期地）86. Three times a week（每周三次）87. Twice weekly（每周两次）88. Uncertainly（不确定地）89. Unevenly（不平均地）90. Unfrequently（不频繁地）91. Uninterruptedly（不断地）92. Usually, but not always（通常，但不总是）93. Very frequently（非常频繁）94. Weekly（每周）95. Yearly（每年）96. Intermittently（间歇地）97. The whole time（始终）98. The whole year round（全年）99. Less often than not（很少）100. Always and forever（永远）101. Hardly ever（几乎不）102. Annual（每年）103. Constantly（经常）104. Have to（必须，经常）105. Continuously（持续地）106. Every day but Sunday（除了星期天）107. Every night except Monday and Wednesday（除了星期一和三）108. Every other day（每隔一天）109. Every other week（每隔一周）110. Every other month（每隔一个月）111. Every other year（每隔一年）112. Invariably（无论何时都）113. Once a day（每天一次）114. Quite often（相当经常）115. Sporadically（有时）116. Weekly（每周）117. Frequently（时常）118. Intermittently（间歇地）119. Monthly（每月）120. Annually（每年一次）121. Never again（从不再来）122. Often enough（够经常）123. Hourly（每小时）124. Daily but Sunday（除星期天之外的每天）125. Every night but Thursday（除周四之外的每个晚上）126. Every other day（每隔一天）127. Every other week（每隔一周）128. Eevery other month（每隔一个月）129. Every other year（每隔一年）130. Hardly ever（几乎从不）131. Frequently but not always（经常但不总是）132. As much as possible（尽量）133. By and large（总的来说）134. Constantly（不断地）135. Daily（每天）136. Day by day（一天一天）137. Early and often（早早地经常地）138. Every blue moon（不经常）139. Every once in a while（偶尔）140. Every so often（有时）141. From time to time（时常）142. Habitually（习惯地）143. Infrequently（不经常）144. Irregularly（不规律地）145. Moment to moment（一刻不停）146. Most of the time（大部分时间）147. Nightly（夜间每天）148. Now and again（时时有）149. Now and then（有时候）150. Often (times)（经常）151. Occasionally（有时候）152. Once (a day, a week, an hour)（一次（每天，每周，每小时））153. Once in a blue moon（几乎不）154. Once or twice（一两次）155. Onetime（一次性的）156. Periodically（周期性地）157. Rarely ever（几乎从不）158. Regularly scheduled（定期的）159. Repeatedly（反复）160. Routinely（通常）161. Seldom（很少）162. Semi-frequently（有时）163. Sometimes（有时）164. Sometimes sooner, sometimes later（有时早有时晚）165. Sometimes this year（有时这一年）166. Sporadically（偶尔）167. Twice daily（每天两次）168. Twice a week（每周两次）169. Typically（一般来讲）170. Uncommonly（不常见）。
频度副词
频度副词usually, sometimes, always, often等词在英文中被称为“频度副词”，是用来表示动作频率的，但程度上有别。
一般说来可按频率大小排列：always＞usually＞often＞sometimes＞seldom（很少）＞never（决不）一、频度副词的意义：1、always 意为“总是”，“一直”，它所表示的频度最高，相当于 all the time。
如：Tom is always late for school. 汤姆上学总迟到。
2、usually意为“通常”，在一般情况下做某事很少有例外的意思，倾向于一种习惯。
如：We usually go shopping on Sundays. 我们周日通常去购物。
3、often 意为“经常”，它表示的频度不及usually，用来表示动作重复，中间有间断。
如：We often have supper at home. 我们经常在家吃晚饭。
4、sometimes 意为“有时”，它所表示的频度在以上这几个词中最低，它可以放在句子中间，也可放在句首或句末。
如：She sometimes walks along the river. 她有时候沿着河边散步。
Sometimes I don’t like to work, because I feel too tired. 有时候我不想去工作，因为我感到太累了。
5、hardly ever 意为“几乎不”。
如：She hardly ever watches TV. 她几乎不怎么看电视。
6、never 所表示频度最低，它所表示的是否定意义，意为“根本不，从未”。
如：He has never been to Beijing. 他从未去过北京。
二、频度副词在句子中有不同的位置:A、动词be 之后：如“I’m usually ill on plane.”B、在实意动词之前：“I usually work on Friday.”C、在含有助动词的句子中,至于助动词之后,实意动词之前：“He doesn’t always work on Tuesday.”D：特殊用法：①sometimes可以放在句首、句中和句末②often 也可以放在句末例句： 1、I always get up at 7:00 o’c lock every morning. 我每天早晨总是在7点钟起床。
英文频度副词
频度副词一、usually, sometimes, always, often等词在英文中被称为“频度副词”，是用来表示动作频率的，但程度上有别。
一般来说可按频率大小排列：always＞usually＞often＞sometimes＞seldom（很少）＞hardly ever ＞never（从不）频度副词的位置1. 在be动词之后。
如：She is sometimes very busy. 她有时很忙。
2. 在第一个助动词或情态动词之后。
如：I will never forget the first time I met you. 我将永远忘不了和你的第一次见面。
3. 在实义动词之前。
如：We often go there. 我们常去那儿。
4. sometimes也可放在句首、句中或句末，often也可放在句末。
如：Sometimes she writes to me. 她有时候给我写信。
She writes to me often. 她经常给我写信。
注：如果有两个助动词，频度副词通常放在第一个助动词后面。
We have never been invited to one of their parties. 他们聚会,一次也没邀请过我们。
She must sometimes have wanted to run away. 她有时候一定想到过要逃走。
用法1. often, always, usually等通常和一般现在时连用，表示现在经常或反复发生的动作。
如：It often rains here in April. 这儿四月份常下雨。
2. always与进行时连用时，并不强调动作正在进行，而是表示赞叹、厌烦等情绪。
如：He is always thinking of others. 他总是想着别人。
（赞叹）She is always asking silly questions. 她老是问些愚蠢的问题。
Unit 4 Time to celebrate--单元语法：频率副词和一般现在时+练习(教师版)
外研版七年级上册新教材（讲义）Unit 4 Time to celebrate重点语法--频率副词和一般现在时在英文中用来表示动作频率的词被称为“频度副词”，例如：usually/sometimes/always/等，这些词在程度上有区别。
语法点讲解1. 意义：表示动作发生的次数、频率的副词。
always, sometimes, never,usually，often ...常用频度副词的频率排序：always 100%usually 90%normally 80%often 70%sometimes 50%occasionally 30%seldom 20%hardly ever 5%never 0%2. 频度副词出现的位置（用法）：1.频度副词通常放在实意动词之前（1），be动词之后（2），如果句子中出现情态动词或助动词，则放在情态动词、助动词与实意动词之间（3）。
如：I always do homework in the afternoon.（1）He is never kind to us.（2）She can never know your secret.（3）2.频度副词的特殊位置：表示次数的频度副词，如once, twice，可以放在动词后或句末（4）；有的频度副词也可放在句首表示强调（5）。
如：The car broke down twice.（4）Sometimes I go fishing with my dad.（5）3. 常用频度副词精讲：1. always 频率最高，表示动作重复、状态继续，表示“一直、总是”，其反义词为never。
always等与not连用时，表示部分否定。
如：The rich are not always happy. 有钱的人并不总是快乐的。
如果要变为否定句，应将always改为never才能全部否定。
如：Li Ping is always late for school. 李平上学总是迟到。
频度副词在句中的位置是什么
频度副词在句中的位置是什么一、usually, sometimes, always, often等词在英文中被称为“频度副词”，是用来表示动作频率的，但程度上有别。
一般说来可按频率大小排列：always＞usually＞often＞sometimes＞seldom（很少）＞never（决不）二、频度副词的位置1. 在be动词之后。
如：She is sometimes very busy. 她有时很忙。
2. 在第一个动词或情态动词之后。
如：I will never forget the first time I met you. 我将永远忘不了和你的第一次见面。
3. 在实义动词之前。
如：We often go there. 我们常去那儿。
4. sometimes也可放在句首、句中或句末，often也可放在句末。
如：Sometimes she writes to me. 她有时候给我写信。
She writes to me often. 她经常给我写信。
三、用法1. often, always, usually等通常和一般现在时连用，表示现在经常或反复发生的动作。
如：It often rains here in April. 这儿四月份常下雨。
2. always与进行时连用时，并不强调动作正在进行，而是表示赞叹、厌烦等情绪。
如：He is always thinking of others. 他总是想着别人。
（赞叹）She is always asking silly questions. 她老是问些愚蠢的问题。
（厌烦）3. 对这些频度副词提问时，用how often。
如：I write to my brother sometimes. How often do you write to your brother?英语中always, usually, often, sometimes, seldom, never等，叫做频度副词。
清单08U4频度副词语法专题过关【考点清单】
上学期期中考点大串讲清单08 Unit 4频度副词+专题过关频度副词频度副词：usually, sometimes, always, often等词在英文中被称为频度副词”, 是用来表示动作频率的，但程度上有别。
一般说来可按频率大小排列：always > usually > often >sometimes> seldom(很少)> never(决不)(一)频度副词的意义：1、always 意为总是”, 一直”, 它所表示的频度最高, 相当于all the time。
如: Tom is always late for school.2、usually 意为通常”，在一般情况下做某事很少有例外的意思，倾向于一种习惯。
如: We usually go shopping on Sundays.3、often 意为经常”，它表示的频度不及usually，用来表示动作重复，中间有间断。
如: We often have supper at home.4、sometimes 意为有时”，它所表示的频度在以上这几个词中最低，它可以放在句子中间，放在句首或句末。
如: She sometimes walks along the river.Sometimes I don't like to work, because I feel too tired.5、seldom 的频度为10%左右, 意为不常”、很少”。
例如: His father is seldom ill.Lily seldom reads newspapers.We seldom have noodles for supper.6、never 所表示频度最低，它所表示的是否定意义，意为根本不，从未”。
如: He has never been to Beijing.二)、频度副词在句子中有不同的位置：A、动词be之后: 如"I'm usually ill on plane.”B、在实意动词之前: "I usually work on Friday."C、在含有助动词或情态动词的句子中，置于助动词或情态动词之后，实意动词之前：“ He doesn't always work on Tuesday.”三)频度副词使用时的三单问题频度副词一般使用于一般现在时中，当句子中使用频度副词时，不影响句子中动词的三单形例如: She oftengoes to school by bike.四)对频率副词提问要用how often，意思是多久(一次)例: How often do you go to the library?Sometimes./Once a week.【专题过关】一、单项选择1．—Would you like some coffee?— No, thanks. I ________ drink coffee.A．always B．often C．usually D．never 2．— Do you often exercise, Jason?— No, ________. I don’t like sports at all.A．usually B．often C．never D．always 3．—Do you want to drink some cola?—No, thanks. I _________ drink it because it’s not healthy.A．never B．sometimes C．usually D．always 4．Daming’s mother ________ makes a birthday cake. She usually buys one.A．always B．usually C．often D．never 5．Tom is ________ free on Saturday, so he can play basketball with us every weekend.A．never B．sometimes C．always D．seldom 6．— My father ________ smokes.— That’s very good for his health.A．always B．sometimes C．usually D．never7．I ________ eat too much chocolate because it’s unhealthy.A．sometimes B．often C．always D．never 8．John _________ gets up early so he is _________ late for school.A．seldom; never B．never; seldomC．always; seldom D．often; sometimes9．Mary lives far from her office, but she is _________ late for work.A．always B．never C．often D．usually 10．Mr. Zhang is _________ very busy with his business, so he _________ has time to play.A．sometimes, never B．always, sometimesC．usually, often D．always, seldom11．—How often do you clean your bedroom, Zhenhui?—________. My mother often does it.A．Always B．Often C．Usually D．Seldom 12．I _________ go to school by bike, but when it rains I go to school by bus.A．usually B．sometimes C．hardly D．never 13．—Do you know about the NBA player Jeremy Lin, Nancy?—Oh, I don’t know him. I _________ watch basketball matches.A．often B．always C．sometimes D．seldom 14．My mum is very busy so she ________ watches TV.A．often B．always C．seldom D．almost 15．— Do you often go climbing, Tina?— No, ________. I don’t like it at all.A．always B．usually C．often D．seldom 16．I don’t like football at all. I _________ play it.A．sometimes B．never C．often D．always 17．We usually have dinner at home in the evening, but we ________ eat out.A．sometimes B．seldom C．never D．always 18．—Do you _______ walk to school?—No, _______. I live too far away.A．often, never B．usually, oftenC．seldom, always D．always, usually19．I ________ walk to school, but this morning I rode a mobike because I got up late.A．never B．sometimes C．usually D．once 20．Amy doesn’t like singing, so she _________ sings at a party.A．always B．often C．sometimes D．never 21．I ________ watch the TV programme. It’s very interesting.A．often B．never C．hardly D．seldom 22．—Do you often go to the sports centre?—No, ________. I don’t like sports at all.A．always B．never C．sometimes D．usually23．He left his hometown and ________ went back again. He missed it very much.A．never B．usually C．often D．always24．— Does Sam guess the meanings of English words?— He is lazy. He ________ guesses the meanings of new words. He uses his dictionary all the time.A．usually B．sometimes C．always D．never25．— How often does your mother help you clean your room?— ________. I do it myself.A．Seldom B．Always C．Never D．Usually26．Time to say goodbye. But I will ________ forget the days we spent together.A．always B．often C．usually D．never27．These people are really nice. They ________ give you a hand.A．already B．never C．always D．seldom28．—Why does Dale ________ eat out?—Because he likes to eat with his family at home.A．never B．always C．usually D．often29．Mary ________ eats tofu because she thinks it is terrible.A．always B．never C．usually D．often30．David ________ plays puter games on school nights, because he always has a lot of homework to do.A．sometimes B．often C．usually D．never31．—Excuse me, where is the school library?—It’s in front of this building. You can find it _______.A．really B．easily C．differently D．usually32．Mr. Wang is ________ busy with his business, so he ________ has time for fun.A．always; seldom B．always; often C．usually; often D．never; neverA．sometimes B．seldom C．often D．always34．—________ do you go online(上网), Sam?—About once a month. I’m ________ busy with my lessons.A．How long; always B．How long; never C．How often; always D．How often;neverA．not often B．always C．usually D．never36．David doesn’t like coffee. He ________ drinks it.A．usually B．often C．never D．always37．Meimei is very busy these days, so she ___________ goes out to play.A．sometimes B．usually C．seldom D．always38．She lives far from school, but she is ________ late for class.A．always B．seldom C．often D．usually39．My sister and I ________ go to the park on Sunday.A．some time B．some times C．sometime D．sometimes40．I dislike playing basketball, so I ________ play it in my free time.A．sometimes B．often C．usually D．never41．Sweet snacks have too much sugar, so Simon ________ eats them.A．always B．seldom C．often D．usually42．My father likes football but he ________ plays it. He only ________ football matches on TV!A．always; watch B．never; watches C．often; watched D．usually; will watch43．My brother has a healthy living habit. He ________ stays up late, and he is an early bird.A．hardly B．always C．usually D．often44．Betty’s home is far from Fun Times Park, so she ________ walks there.A．seldom B．usually C．often D．sometimes45．Peter lives far from school but he is ________ late.A．often B．always C．seldom D．sometimes46．Tom gets up early, and he is ________ late for classes.A．always B．often C．usually D．seldom47．My parents ________ encourage me to face the trouble in my life.A．never B．seldom C．always D．soon48．Bob doesn’t like coffee very much, so he ________ drinks it.A．always B．usually C．often D．seldom49．—Does your brother often go shopping with you?—No, ________. He doesn’t like shopping at all.A．always B．usually C．never D．sometimes 50．—I often see your dog here after school, Tom.—Ha! He ________ es here and waits for me to go home.A．also B．always C．too D．never参考答案：1．D【详解】句意：——你想要一些咖啡吗？——不，谢谢。
人教PEP版-英语-五年级下册-Unit1 频度副词的用法
频度副词的用法usually, sometimes, always, often等词在英文中被称为“频度副词”，是用来表示动作频率的，但程度上有别。
一般来说可按频率大小排列：always＞usually＞often＞sometimes＞seldom（很少）＞hardly ever＞never （从不）1. 在be动词之后。
如：She is sometimes very busy. 她有时很忙。
2. 在第一个助动词或情态动词之后。
如：I will never forget the first time I met you. 我将永远忘不了和你的第一次见面。
3. 在实义动词之前。
如：We often go there. 我们常去那儿。
4. sometimes也可放在句首、句中或句末，often也可放在句末。
如：Sometimes she writes to me. 她有时候给我写信。
She writes to me often. 她经常给我写信。
注：如果有两个助动词，频度副词通常放在第一个助动词后面。
We have never been invited to one of their parties. 他们聚会,一次也没邀请过我们。
She must sometimes have wanted to run away. 她有时候一定想到过要逃走。
用法1. often, always, usually等通常和一般现在时连用，表示现在经常或反复发生的动作。
如：It often rains here in April. 这儿四月份常下雨。
2. always与进行时连用时，并不强调动作正在进行，而是表示赞叹、厌烦等情绪。
如：He is always thinking of others. 他总是想着别人。
（赞叹）She is always asking silly questions. 她老是问些愚蠢的问题。
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频度副词一、usually, sometimes, always, often等词在英文中被称为“频度副词”，是用来表示动作频率的，但程度上有别。
一般来说可按频率大小排列：always＞usually＞often＞sometimes＞seldom（很少）＞hardly ever ＞never（从不）频度副词的位置1. 在be动词之后。
如：She is sometimes very busy. 她有时很忙。
2. 在第一个助动词或情态动词之后。
如：I will never forget the first time I met you. 我将永远忘不了和你的第一次见面。
3. 在实义动词之前。
如：We often go there. 我们常去那儿。
4. sometimes也可放在句首、句中或句末，often也可放在句末。
如：Sometimes she writes to me. 她有时候给我写信。
She writes to me often. 她经常给我写信。
注：如果有两个助动词，频度副词通常放在第一个助动词后面。
We have never been invited to one of their parties. 他们聚会,一次也没邀请过我们。
She must sometimes have wanted to run away. 她有时候一定想到过要逃走。
用法1. often, always, usually等通常和连用，表示现在经常或反复发生的动作。
如：It often rains here in April. 这儿四月份常下雨。
2. always与进行时连用时，并不强调动作正在进行，而是表示赞叹、厌烦等情绪。
如：He is always thinking of others. 他总是想着别人。
（赞叹）She is always asking silly questions. 她老是问些愚蠢的问题。
（厌烦）3. 对这些频度副词提问时，用how often。
如：I write to my brother sometimes.How often do you write to your brother?4.情态动词后动词用原形。
一、频度副词位于助动词之前两种情况1. 为了表示强调，频度副词有时也可位于动词be、助动词、情态动词之前；此时助动词等应重读。
She always was late. 她老是迟到。
I never can remember. 我永远也记不住。
He never should have joined the army. 他根本不应当参军。
2. 在简略答语中，当频度副词与动词be、助动词或情态动词位于句末时，频度副词必须前置。
“Philip is late again.” “Yes, he always is.”“菲利普又迟到了。
”“是的，他总是迟到。
”“Can you park your car near the shops?” “Yes. I usually can.”“你可以在商店附近停车吗?”“是的，通常可以。
”I know I should take exercise, but I never do.我知道我应该进行体育锻炼，但我从来没这样做过。
二、频度副词在否定句中的用法在否定句中，有的频度副词位于否定词之前或之后均可，而有的频度副词则必须位于否定词之后，而还有的频度副词却必须要位于否定词。
大致情况如下：1. 频度副词usually和often可位于否定词not之前或之后。
他们不常开这样的晚会。
正：They don’t often hold such parties.正：They often don’t hold such parties.星期日我们一般不在9点以前起床。
正：We don’t usually get up before nine on Sund ays.正：We usually don’t get up before nine on Sundays.在否定句中，频度副词用于句中或句首，有时但会导致意思不同。
He doesn’t usually sleep for two days at a time. 他很少一连睡两天。
Usually he doesn’t sleep for two days at a time. 他连续两天不睡觉是常事。
2. 频度副词always总是位于否定词之后，不可位于否定句之前。
Things are not always what they seem to be. 外表往往是靠不住的。
Silence must not always be read as consent. 沉默并不见得一定意味着同意。
3. 频度副词sometimes总是位于否定词之前，不可位于否定词之后。
Jim is sometimes not very punctual. 吉姆有时不太准时。
Debbie is sometimes not responsible for what she does. 戴比有时对她所做的事不负责任。
三、频度副词位于句末的用法常可用于句末。
We all get into trouble sometimes. 我们有时都会遇到麻烦。
You can’t work all the time—it does you good to go out and enjoy yourself sometimes.你不能总是工作，有时出去放松一下会对你有好处。
2. often有时可置于句末，但通常会带有very, quite, fairly, more, so等修饰语。
如：We’ve been there quite often. 经常去那里。
When I was young, I used to play tennis very often. 我年轻时经常打网球。
Diana used to travel a lot. These days she doesn’t go away so often.戴安娜过去经常旅游。
最近她不常出门了。
We’re not exactly on intima te terms, but we see each other fairly often.我们虽算不上关系密切，但还常见面。
注：有时也可不带修饰语，但主要见于否定句或疑问句。
He writes to me often. 他经常给我写信。
Do you come here often? 你常来这儿吗?I don’t come here often. 我不常来这儿。
3. usually有时也用于句末，其前不用修饰语。
I’m not late, usually. 我通常不迟到。
I get paid on Fridays usually. 我通常在星期五领工资。
4. seldom 一般不用于句末，除非其前带有only, very等修饰。
We go out very seldom. 我们绝少外出。
I play basketball very seldom indeed. 我很少打篮球。
5. always一般不用于句末，偶尔用于句末，此时它不表法“总是”，而表示“永远”。
I’ll love you always. 我将永远爱你。
另外，有时用于句末是因为句子有所省略的缘故。
Generally they walked together on Sunday, but not always.他们一般在星期日一起散步，但并不总是如此。
句中的but not always=but they didn’t always walk together on Sunday。
四、频度副词位于句首的用法1. sometimes常可用于句首。
Sometimes she comes late. 有时她来得晚。
Sometimes she didn’t agree with me. 有时她和我意见不一致。
Sometimes we get a lot of rain in August. 有时在8月份雨水很大。
2. often用于句首时，通常表示强调，且其前一般有quite, very修饰。
Very often he comes in late. 他常常迟到。
Quite often the phone rings when I’m in the bath. 电话经常在我洗澡时响。
3. usually有时也用于句首，其前不用修饰语。
Usually I get up early. 我平时起得早。
Sometimes he comes by bus, but usually he comes by taxi.有时他坐公共汽车来，不过他通常还是打的来。
Usually cooking pots have two small handles but pans have one long handle.通常地深底煮锅有两只把手而平底锅只有一个长长的把手。
4. always一般不用于句首，除非是用在祈使句中。
Always remember this. 请时刻记住这一点。
Always look in the mirror before starting to drive. 一定要先看看反光镜再开车。
另外，never也可用于祈使句的句首。
Never tell him the news. 千万不要告诉他这消息。
Never ask her about her marriage. 决不要问她结婚的事。
5. 在正式文体中，表示否定意义的副词seldom, never可位于句首，但此时其后要用倒装语序。
Seldom has there been such a happy meeting. 过去很少有过这样愉快的会议。
Never did he think the book would be finished so soon. 他可没想到这本书会这么快看完•1I always go to school on time.•2我每天上学都不迟到•3I often go to school on time.•4我一般来说上学都不迟到•5Sometimes I go to school on time. •6我有时候上学不迟到。