How构成的词组辨析：区别how often,how long,how soon,how far,how many
30个常用英语短语辨析
1. burn down / burn out / burn up burn down (火势)减弱，(被)焚毁；burn out烧尽，熄灭；burn up 被烧掉(毁)，烧得更旺。
2. how often / how long / how far / how soon how often有"多久一次"的意思，是对做某事的频率提问。
对how often的回答一般是：twice a year/three times a week。
how long表示"时间多久或物体多长"，表示时间时侧重指"一段时间"。
对how long的回答一般是时间段，如for three days。
how far是提问"路程有多远"，询问距离"，主要用来对表示将来的，还可以表示程度。
how soon表示"多久之后的一段时间提问。
对how soon的回答一般是：in + 时间段，如in two days/in five years。
3. call at / call back / call for / call in / call on / call upcall at (a place)访问(某地);call back回电话; call for (公开)要求，需要; call in要求退回，召来;call on邀请，请求; call up使回忆起，使想起。
4. come about / come across / come off / come out / come true /come upcome about发生;come across(偶然)遇见;come off能被去掉(或除去)；come out出版，发行; come true变为现实，实现;come up长出地面，升起。
5. cut down / cut off / cut through / cut up / cut in cut down砍倒，削减；cut off打断，中断(供给)；cut through开辟(出路或通道)；cut up(严重地)割伤，打伤，切碎；cut in插嘴。
how long, how often, how soon的用法总结
how long, how often, how soon的用法总结how long, how often, how soon的用法总结下面是我为大家整理的how long, how often, how soon 的用法归纳，希望能帮助大家更好把握这个几单词，提高英语水平。
英语疑问词家族中有这样三姊妹：how long, how often, how soon。
她们都是用来引导特殊疑问句的。
但三个的秉性却大不一样。
让我们一起来认识她们!老大：how long的用法总结how long可用于询问某个动作或状态所持续的时间，意为多久、多长时间，句中的谓语动词要用延续性动词，回答时常用about two days(大约两天), five hours(5个小时)等表示一段时间的状语。
how long可以用来对物体的长短进行提问。
如：How long is the river? 这条河有多长?It s about 5,000 kilometers long. 大约5000公里长。
How long did you keep the book? 这本书你借了多长时间?About two weeks. 大约两个星期。
老二：how soon的用法总结how soon常用来对从某个基本时间到将来某个动作结束或某个动作发生这段时间提问，表示还要多久，在一般将来时态的句子中，对问题回答通常用in+一段时间。
如：How soon will you come back? 你要多久才回来?In two hours. 两个小时后。
How soon can you finish your homework?还要多久你能完成作业?In half an hour. 半个小时后。
◆how many;how much凑热闹how many是对可数名词的数量进行提问，其后接可数名词的复数形式。
如：How many hours do you exercise every week?你每周锻炼多少小时?More than five hours. 五个多小时。
区别how-often-how-long--how-soon-how-far--how-many
How often 多久一次; How many多少;How long多久; How soon多久后；How far 多远一、用法1.How often对never,hardly every,once a month等表示频率的词进行提问。
How often表示“多少时间一次或每隔多久”.是就做某事的频率提问。
针对How often的回答一般是“Twice a year”.“Three times a week”.e.g. “How often do you watch TV?”“Tree times a week.”2.How many对数字提问,且在后面How many要跟一个复数名词。
eg:She eats only one egg for breakfast.Does she eat one egg for breakfast?How many eggs does she eat for breakfast?3. How long表示“时间多久或物体多长”.表示时间侧重指“一段时间”.针对“How long”的回答一般是时间段,如“for three days”,“three years”e.g. “How long were you away last year?”“About two weeks”4. How soon表示“多久之后”.侧重某人某事能多快时间完成. How soon的回答一般为: “ in + 时间段” e.g. “ in two days”“in five years”e.g. “How soon will you be ready?”“I’ll be ready in five minutes”5．How far表示“多远”How far is it?二、练习题1. “_______have they studied English?”“They have studied English for three years.”A. How longB. How manyC. How oftenD. How soon2. “______will he leave here?”“He will leave here in a month”A. How oftenB. How longC. How soonD. How many times3. “____does he watch TV”“Once a week.”A. How longB. How soonC. How oftenD. How many4. I don’t know_______ he will get here.A. how longB. how soonC. how oftenD. how many5. “_____does he take this medicine?”“Twice a day.”A. How soonB. How longC. How muchD. How often6. “_______have you been at this factory?”“I have been here since 1993.”A. WhenB. How longC. How oftenD. What time a7. “________can you finish this w ork?”A. How oftenB. How soonC. How longD. How far8. “__________ will he stay here?”A. How many timesB. How oftenC. what timeD. How long9. _______does your sister write to your parents?A. How manyB. How often c. How long D. How far10. ________does it take you to finish you homework every day?A. How longB. How oftenC. How soonD. How much。
英语单词辨析：如何区分How soon、How far、 How long、How often
英语单词辨析：如何区分How soon/ How far/ How long/How often
（1）How soon表示“多久之后”，主要用来对表示将来的一段时间提问。
How soon的回答一般是：“in + 时间段”，如“in two days”“in five years”。
例如：—How soon will you be ready?
—In five minutes.
（2）How far“多远”一般指的是一地到另一地的距离。
例如：—How far is it from your home to school? —Three kilometers.（3）How long表示“时间多久或物体多长”，表示时间侧重指“一段时间”。
针对“How long”的回答一般是时间段，如“for three days”,“for three years”。
例如：—How long were you away last year?
—For two weeks.
（4）How often “多长时间一次”对在某一特定的时间内进行的动作次数进行提问，其答语一般为“never，sometimes，usually”等频率副词。
例如：—How often do you exercise? —Every day.
6. Bob dislikes coffee, so he almost _________ drinks it.
A. often
B. always
C. never
D. ever。
how long、how often与how soon
ｈｏｗｌｏｎｇ、ｈｏｗｏｆｔｅｎ与ｈｏｗｓｏｏｎ作者：杨俊杰来源：《初中生(三年级)》2007年第03期一、how long为“多长时间”之意，用来对某一动作或状语时间持续长短的提问，常用于过去、现在完成或将来时态，要用延续性动词。
具体地说：就是对句子中for…，until(till)…，since…等表示一段时间的状语提问。
例如：①—How long did you do your homework?你做作业多久了？—Two hours.两个小时。
②—How long have you studied English?你学英语多长时间了？—I have studied English for two years.我学英语两年了。
二、how often表示频率是“多长时间一次”之意；对在一定时间内（如一月、一年）做某事有规律性的次数的提问，常用于各种时态，要用非延续性动词。
具体地说：就是对句子中表示频度的副词或词组提问，如always， usually， often， sometimes， never，seldom，now and then， once a week， twice a month， three times a year等。
例如：①—How often do you go there?你多久去那里一次？—I go there once a week.我每周去那里一次。
②—How often does he hear from her?他多久会收到她的来信？—He hears from her now and then.他时常收到她的来信。
三、how soon表示“要过多久以后”，用来提问某人多久才能做好某事，常用于将来时，要用非延续性动词。
具体地说：就是对句子中in two days (weeks， months， years etc)， after Friday， very soon， before long等时间状语提问。
units1-3 易混词语辨析
1. how often , how long, how soon, how far, how many, how much how often 表示频率，意为“多久一次”。
例如：―How often do you go shopping？―I go shopping once a month.――你多久购物一次？――一月一次。
how soon意为“过多久”，一般对“in+时间段”进行提问。
例如：―How soon will you come back？―I will come back in two days.――你什么时候回来？――我将在两天内回来。
how long指“多长（长度）；多久（时间）”。
例如：How long is the rope？绳子有多长？―How long did Tom stay in America？―Two weeks.――汤姆在美国呆了多长时间？――两周。
How long will you stay in Beijing？你将在北京呆多长时间？how far指“（路程，距离）有多远”。
例如：How far is the way between Beijing and Shanghai？北京和上海之间有多远？how many 和how much都是“多少”的意思，但用法不同。
how many 修饰可数名词，how much 修饰不可数名词。
例如：How many students are there in your class？你们班有多少学生？How much rice is there in the bag？袋子里有多少米？【练习】根据答语，填上适当的疑问词。
1. ―_______were you in Japan？―A week.2. ―_______will your mother come backto Beijing？―In two days.3. ―_______ birds are there in the tree？―There are two birds in the tree.4. ―______do you have a bath in summer？―Three times a week.5. ―_______ water do you want？―I want a bottle of water.6. ―_______ is it from the moon to theearth？―About 380，000 kilometers.Keys: 1. How long2. How soon3. How many 4. How often 5. How much 6. How far2. few, a few, little, a littlefew和a few 用于修饰可数名词复数。
how often,how long,how soon 区别和练习
• How far is it from your home to school?你家到 学校有多远?
• Two kilometers
1.— _______ did the meeting last? —About half an hour. A.How soon B. How long C. How far D. How much 2.— _______ will the Asian Games be finished? —In a few months. A.How soon B. How long C. How often
• 1.How long 多长时间
• 答：For+时间段或since +时间点作答
• 2.How often 多久一次（问频率），
• 答： once/twice a day/week/month/year
•
Байду номын сангаас
数词+ times a day/week/month/year
• Eg，
• how long have you been here? 你在这多久了?
B.D. How far 3.— _________ do you write to your mother? —Once a month. A.How many times B. What time is it
B.C. How soon D. How often
• 4.— _______ does your school have sports meetings a year?
• I‘ve been here for two years. 我在这2年了
新目标英语八年级下册第六单元词语辨析
新目标英语八年级下册第六单元词语辨析词语辨析1．how long, how often与how soonhow long主要用来提问多长时间，答语通常用two days, three years等表示一段时间的状语。
how often用来询问动词的频率，即动作“多长时间发生一次”，回答可有once /twice /three times a day一天一（两、三）次，sometimes有时，never从不，very often经常等。
</PGN0116.TXT/PGN>how soon用来询问“需要多长时间才会”，谓语多用终止性动词，即某一动作要多长时间以后才能完成或发生，时态多用将来时或含有将来意义的其他形式，答句常用in a week这类短语。
如：－How long did you stay in the park?你们在公园里呆了多长时间？－Two hours.二个小时。
－How often do you go to the cinema?你多长时间看一次电影？－Once a month.每月一次。
－How soon will he come back?他过多久会回来？－In a week.一周以后。
2．interested与interesting这两个词都是形容词，用作表语，但意义不同，interested表示因为什么而感到有趣，有被动意义（即主语本身心理上受影响），句型为主语＋be interested in sth.，译为“某人对……感兴趣”。
如：He was interested in what I said.他对我说的话感兴趣。
I am interested in the interesting book.我对有趣的书感兴趣。
interesting表示事物／人所具有的内在特征，有主动含义，句型为主语＋be interesting（to sb.），翻译为“什么是有趣的”。
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How构成的词组辨析
How often 多久一次;
How long多久;
How many多少
Howsoon多久后
1.How often对never,hardly every,once a month等表示频率的词进行提问。
2.How many对数字提问,且在后面How many要跟一个复数名词。
eg:They go to the movies 5 times a month.(对画线部分提问)
Do they go to the movies 5 times a month?
How many times do they go to the movies?
She eats only one egg for breakfast.
Does she eat one egg for breakfast?
How many eggs does she eat for breakfast?
1. “_______have they studied English?”
“They have studied English for three years.”
A. How long
B. How many
C. How often
D. How soon
2. “______will he leave here?”
“He will leave here in a month”
A. How often
B. How long
C. How soon
D. How many times
3. “____does he watch TV”“Once a week.”
A. How long
B. How soon
C. How often
D. How many
答案A,C, C
1. How long表示“时间多久或物体多长”.表示时间侧重指“一段时间”.针对“How long”的回答一般是时间段,
如“for three days”,“three years”
e.g. “How long were you away last year?”
“About two weeks”
3. How often表示“多少时间一次或每隔多久”.是就做某事的频率提问。
针对How often的回答一般
是“Twice a year”.“Three times a week”.
e.g. “How often do you watch TV?”
“Tree times a week.”
4. How soon表示“多久之后”.侧重某人某事能多快时间完
成. How soon的回答一般为: “ in + 时间
段” e.g. “ in two days”“in five years”
e.g. “How soon will you be ready?”
“I’ll be ready in five minutes”
5．How far表示“多远”
How far is it?
[巩固练习]
1. I don’t know_______ he will get here.
A. how long
B. how soon
C. how often
D. how many
2. “_____does he take this medicine?”
“Twice a day.”
A. How soon
B. How long
C. How much
D. How often
3. “_______h ave you been at this factory?”
“I have been here since 1993.”
A. When
B. How long
C. How often
D. What time a
4. “________can you finish this work?”
A. How often
B. How soon
C. How long
D. How far
5. “__________ will he stay here?”
A. How many times
B. How often
C. what time
D. How long
6. _______does your sister write to your parents?
A. How many
B. How often c. How long D. How far
7. ________does it take you to finish you homework every day?
A. How long
B. How often
C. How soon
D. How much
答案 1-B 2-D 3-B 4-B 5-D 6-B 7-A。