与现在完成时连用的时间状1
用于现在完成时态的时间状语
用于现在完成时态的时间状语作者：单桂才来源：《疯狂英语·爱英语》2019年第06期◎要点梳理每种时态都有其相应的时间状语，现将常与现在完成时态连用的时间状语归纳如下：一、表示不确定的过去的时间状语现在完成时往往同表示不确定的过去的时间状语连用，如already、yet、just、before、recently、lately、so far等。
例如：My younger brother has just told me the good news. 我弟弟刚刚告诉了我这个好消息。
He has already come back. 他已经回来了。
I havent asked him yet. 我还没有问他。
【注意】already意为“已经”，常用于肯定句中，放在助动词have / has之后;yet常用于否定句和疑问句，用于否定句时意为“还;尚”，用于疑问句时意为“已经”。
二、表示频度的时间状语现在完成时常与表示频度的时间状语连用，如ever、never、often、sometimes、twice等。
例如：Have you ever been to Japan？你曾经去过日本吗？They have been to Shanghai twice. 他们去过上海两次。
三、表示包括现在时间在内的时间状语现在完成时可以同包括现在时间在内的时间状语连用，如now、up to these few days、this morning、today等。
例如：What have you been up to these days？你最近在做些什么？四、表示一段时间的时间状语现在完成时可以与由for或since引导的时间状语连用，表示持续的动作或状态。
表示持续性的动词有wait、know、stay、live、teach、be、learn等。
1.for+一段时间，强调行为延续了多久，不可接时间点。
例如：I have been in the army for more than three years. 我在部队已经待了三年多了。
现在完成时态使用
现在完成时态使用现在完成时态是英语中一种重要的时态，用来表示过去发生的动作或经历与现在的关联。
它由助动词“have/has”和动词的过去分词构成。
在本文中，我们将探讨现在完成时态的使用以及相关的规则和例子。
一、描述动作的完成现在完成时态用于描述过去发生的动作或事件对当前时间造成的影响或结果。
它强调的是过去的行动与当前的关系。
1. 表示过去经历的动作或事件：例如：- I have visited Paris several times.（我去过巴黎好几次。
）- She has seen that movie before.（她以前看过那部电影。
）- They have lived in this city for five years.（他们在这个城市已经住了五年。
）2. 表示过去发生但对当前仍有影响的动作或事件：例如：- He has lost his key.（他丢了钥匙。
）- We have finished our homework.（我们已经完成了作业。
）- They have already left for the airport.（他们已经去机场了。
）二、时间状语的使用现在完成时态常常与以下时间状语连用，帮助我们更准确地表达动作的完成情况。
1. for + 一段时间例如：- I have studied English for five years.（我已经学习英语五年了。
）- They have lived here for two months.（他们在这里已经住了两个月。
）- She hasn't seen her parents for a long time.（她已经很久没见父母了。
）2. since + 过去的时间点例如：- He has been in Beijing since last week.（他从上个星期开始一直在北京。
）- We have known each other since high school.（我们从高中起就认识彼此。
现在完成时的时间状语
现在完成时的时间状语1. 与表示一段时间的状语连用，表示动作从过去一直持续到现在并可能持续下去，如“ for ＋段时间（一定是从过去持续到现在）”，“ since ＋时间点” during the past three years ，how long, lately, recently, in the past few years, these few years, these days, up to now, so far, today, this month。
（动作持续发生在这段时间里），谓语动词常为延续性动词。
例如：We have lived in this city for more than 40 years.我们在这个城市里已经生活了 40 多年。
We have lived in this city since 1958.我们从 1958 年起就住在这个城市里。
注意：现在完成时与一般过去时的区别现在完成时不能与单纯表示过去时间（点段）的状语连用，如for+段时间（在过去延续，现在已不延续）,yesterday, last week, in 2002, three days ago ,from 1999 to 2003等。
但是，（1）可用一般过去时表示过去时间（点段）（2）只要将它改为 since +时间点就可以用在现在完成时的句子里了，因为它已经含有从过去到现在的时间段的意义了。
2. 与一般现在时中的频度副词(always, usually, often, sometimes, hardly, never 以及短语every+单数名词,once/twice/three times……a+单数名词)连用，表示过去重复发生的动作（曾经……）或从过去到现在（可能继续下去）的重复动作，使用终止性动词。
例如：Six times he has tried and six times he has failed.He has usually finished all his homework before bed time.注意：这个用法与重复动词无关。
现在完成时用法大全
现在完成时用法大全1.现在完成时是表示过去动作对现在造成影响和结果的时态，常用时间状语如many times。
just。
yet。
ever。
never。
already。
so far。
by now等。
另外，现在完成时也可以表示动作或状态从过去开始一直持续到现在，常与so far、for或since等短语连用。
例如，He has been working here since last year.2.现在完成时的构成是have/has+过去分词，例如I have XXX.3.现在完成时的四个基本句型包括肯定句、一般疑问句、否定句和特殊疑问句。
例如，XXX the work。
He has not finished the work。
What has he done?4.在使用现在完成时时，常用的九个词语包括already。
yet。
ever。
never。
just。
before。
so far。
how long和how many times，以及两个词组have/has gone to和have/has been to。
例如，I have already found my pen。
He has gone to Beijing.Jim has been living in this city for two months。
Lucy has been living in Beijing since three years ago。
He has been in China since he arrived here。
If there is no time adverb in the sentence。
the present perfect tense is often used to convey the meaning of "already" in Chinese。
For example。
"Have you lost your library book?" can be translated as "你已经弄丢了从图书馆借的那本书吗？"The present perfect tense is also commonly used in the following sentence patterns: "They have planted many trees in the last few years," "This is the best book I have ever read," and "It is the first time I have played computer games."In the present perfect tense。
现在完成时中标志性的时间状语
现在完成时中标志性的时间状语现在完成时在英语中的使用频率有很高，要是没学好，对英语的日常使用和各种考试而言，影响都会很大。
现在完成时不仅是初中英语中最重要也是最难掌握的一个时态，同时它也是中考英语中一个最重要的时态考点。
许多同学对现在完成时的用法似懂非懂，做题时也往往是跟着感觉走。
现在完成时表示动作发生在过去，完成在过去，但强调与现在情况仍有联系，其结果或影响仍存在。
现在完成时有一些标志性的时间状语：一：for + 时间段；since + 时间点They have lived in Beijing for five years.They have lived in Beijing since 1995.I have learned English for ten years.二：常见的不确定的时间状语：lately; recently, just, already, yet, up to now; till now; so far, these days, Has it stopped raining yet ?三：在表示“最近几世纪/ 年/ 月以来……”时间状语中，谓语动词用现在完成时。
in the past few years/months/weeks/days；over the past few years;during the last three months; for the last few centuries, through centuri es; throughout history 等四：表示“第几次做某事，”或在“It is the best (worst, mostinteresting ) +名词＋that”后面跟现在完成时。
This is my first time that I have visited China.This is the most interesting film I have ever seen.That is the only book that he has written.。
现在完成时知识点总结
现在完成时知识点总结现在完成时是英语中表示过去发生的动作对现在造成影响的一种时态。
下面是现在完成时的一些重点知识点总结：1. 构成方式：现在完成时由“have/has + 过去分词”构成。
其中，have用于第一人称和第二人称，has用于第三人称单数。
2. 表示时间：现在完成时经常与表示过去的时间状语连用，如already（已经）、just（刚刚）、yet（还）、ever（曾经）、never（从未）、before（以前）等。
此外，它还可以与一些表过去体验和经历的副词连用，如recently（最近）、lately（最近）、so far（到目前为止）等。
3. 用法：（1）表示过去发生的动作对现在造成的影响或结果。
例句：I have finished my homework.（我已经完成了作业。
）例句：She has lost her key.（她丢了钥匙。
）（2）表示在过去某个不确定的时间内发生的动作或经历。
例句：I have been to Paris.（我曾去过巴黎。
）例句：Have you ever tried sushi?（你曾经尝试过寿司吗？）（3）表示刚刚完成的动作。
例句：The train has just arrived.（火车刚刚到了。
）例句：He has recently graduated from university.（他最近刚从大学毕业。
）4. 注意事项：（1）现在完成时一般与与过去发生的动作或经历有关的时间状语连用。
如表示对过去的操作有明确的时间状语，则应使用一般过去时态，而不是现在完成时态。
例句：I went to New York three years ago.（三年前我去过纽约。
）（2）注意have/has与过去分词的搭配规则，以及特殊的过去分词形式。
以上是对现在完成时的知识点总结，请在研究和运用过程中多加练，以熟练掌握该时态的用法和构成方式。
参考资料：。
现在完成时的时间状语
现在完成时的时间状语①现在完成时和带有since或for等表示时间的状语连用（since 后跟表示过去的一个时间点；for 后跟一段时间）,表示动作或状态从某一时刻开始，一直持续到现在，并有可能继续延续下去。
例：He has been in the League for three years.他入团已三年了。
He has lived here since 1978.从1978年以来，他一直住在这儿。
②现在完成时往往同表示不确定的过去时间状语，如：already, yet, just, before, recently, lately等连用（注:already 常用于肯定句，yet 常用于否定句和疑问句中，且常位于句末）。
例：Have you heard from your family lately/recently?你最近收到家人的来信了吗？The train has just arrived. 火车刚到。
I’ve never been to Japan before.我以前没去过日本。
They haven’t finished their homework yet.他们还没有完成作业。
We have already worked out that problem.我们已解出了那个问题。
③现在完成时常常与表示频度的时间状语连用,如often, sometimes, ever, never, twice, once, rarely ,three times, on several occasions等:Have you ever been to the Great Wall?你曾经去过长城吗？I have been to Beijing twice.我去过北京两次。
We have often been there.我们经常去那儿。
He has done time on several occasions.他已坐过好几次牢了。
现在完成时的时间状语信号词
现在完成时的时间状语信号词1.before以前，just刚刚，already已经，yet 尚；还；仍，ever曾经, recently最近, in recent years 这几年, in the past a few years在过去的几年等连用。
如：I haven’t seen a student like that before. （句末）我以前没有见过这样的学生。
They have just finished lunch. （句中）他们刚吃完午饭。
The bus has already left. （句中）公车已经开走了。
The bus has left already. （句末）Have you heard from him yet? （句末）你收到他的来信了吗？I haven’t heard from him yet.Have you ever been to Los Angles? （句中）你去过洛杉矶吗？The Robinsons _________ several languages in the past two years. (2007上海春)A. has learntB. have learntC. learntD. were learningWe _____ our new neighbors yet, so we don’t know their names. (2006上海春)A don’t meetB won’t meetC haven’t metD hadn’t metever/already 用在_______句just 用在________句yet 用在________ ，________句2.现在完成时与for/since等引导的持续性时间状语或so fa r等包括“现在时间”在内的时间状语连用。
如：I have known him for six years. 我认识他六年了。
现在完成时的时间状语及其用法
现在完成时的时间状语及其用法
时间使用
1与现在有关的过去点时间recently,lately,already,yet,before,still
2与现在有关的频度时间ever,never,once,twice,three times,several times, often,seldom,always,time and time again
3与过去有关的现在点时间just,now,today,tonight,this week,this year
this morning,this afternoon,this evening,
this month,this May,this October,this November
1若想强调动作从何时开始(ever)since
2若想强调动作持续了多久for(a day,several months,many years,,how long) for( two hours, six months, quite a long time)
3若想强调整体的时间all (morning,night,day,year,these years,my life)all(the while,these days,these ten days)
4若想强调与过去有关到现在的一段时间up to now,up to the present,till now,until now, so far, in the last few years,in the past 30 years ,these days,these weeks,these years。
现在完成时的时间状语
现在完成时的时间状语1. 与表示一段时间的状语连用，表示动作从过去一直持续到现在并可能持续下去，如“for ＋段时间（一定是从过去持续到现在）”，“since ＋时间点”during the past three years ，how long, lately, recently, in the past few years, these few years, these days, up to now, so far, today, this month。
（动作持续发生在这段时间里），谓语动词常为延续性动词。
例如：We have lived in this city for more than 40 years.我们在这个城市里已经生活了40 多年。
We have lived in this city since 1958.我们从1958 年起就住在这个城市里。
注意：现在完成时与一般过去时的区别现在完成时不能与单纯表示过去时间（点段）的状语连用，如for+段时间（在过去延续，现在已不延续）,yesterday, last week, in 2002, three days ago ,from 1999 to 2003等。
但是，（1）可用一般过去时表示过去时间（点段）（2）只要将它改为since +时间点就可以用在现在完成时的句子里了，因为它已经含有从过去到现在的时间段的意义了。
2. 与一般现在时中的频度副词(always, usually, often, sometimes, hardly, never以及短语every+单数名词,once/twice/three times……a+单数名词)连用，表示过去重复发生的动作（曾经……）或从过去到现在（可能继续下去）的重复动作，使用终止性动词。
例如：Six times he has tried and six times he has failed.He has usually finished all his homework before bed time.注意：这个用法与重复动词无关。
现在完成时用法大全
现在完成时用法大全1.现在完成时是一个表示过去发生的动作对现在造成影响和结果的时态。
常用时间状语包括many times，just，yet，ever，never，already，so far，by now等。
此外，它还可以表示动作或状态在过去已经开始，持续到现在并可能继续下去，常与so far、for或者since短语连用。
例如，since + 时间点/从句，for + 时间段，如for two months等。
2.现在完成时的构成是have/has + 过去分词。
3.现在完成时有四个基本句型：肯定句，一般疑问句，否定句和特殊疑问句。
肯定句形式为主语 + have/has + 过去分词，例如He has finished the work。
一般疑问句形式为Have/Has +主语 + 过去分词 + 其他？例如Has he finished the work。
否定句形式为主语 + have/has + not + 过去分词，例如He has not finished the work。
特殊疑问句形式为疑问词 + have/has + 主语+ 过去分词，例如What has he done?4.现在完成时在以下情形下使用：①已经肯定句中或句尾使用already，例如I have already found my pen。
②已经否定句和疑问句句尾使用yet，例如I have not finished the work yet。
Have you bought a computer yet。
③曾经句中使用ever，例如Have you ever seen pandas。
④从不句中使用never，例如I have never been to Beijing。
⑤刚刚句中使用just，例如I have just done my work。
⑥以前句尾使用before，例如I have never been there before。
现在完成时态常与一些时间状语连用
现在完成时1. 构成方法have/has +动词的过去分词现在完成时的否定式是在have/has的后面直接加not；变为疑问句时，要将have/has提到主语之前。
2. 现在完成时态常与一些时间状语连用：yet, already, just, before, ever, never, recently, so far, till/until, up to now, in thea) since + 过去一个时间点（1980, March)I have been here since 1989.b) since + 一段时间+ agoI have been here since five months ago.c) since + 从句Great change have taken place since you left.d) It is + 一段时间+ since 从句（过去时）It is twelve years since I became a student.4. For 引导的表示一段时间的状语They have been in Canada for ten years.My brother has kept this book for 5 weeks. (特殊疑问句)→How long has your brother kept this book?5. 现在完成时与一般过去时的区别一般过去时的时间状语：yesterday , last week, two days ago, in 2000, just now …6. have gone to, have been to, have been ina. Jim has gone to London with his family.(He is on his way or in London now)b. Jim has been to London before.(He is back now.)c. Jim has been in London for two weeks.(He went to London two weeks ago and he is still there)7. 延续性动词与终止性动词终止性动词不可延续,所以不可与表示一段时间的状语连用.误: I’ve left my hometown for 10 years.正: I’ve been away from my hometown for 10 years.误: He has borrowed this book for a week.正: He has kept this book for a week.但它们的否定式可以与一段时间状语连用.Eg. I haven’t bought any new clothes for three months.8. 终止性动词与表示一段时间的状语连用时, 将终止性动词转化为持续性动词come →be in… go →be in…die →be dead borrow →keepbuy →have join →be in…/ be a …memberleave →be awayEg. I came here for three years. (×)→I have been here for three years.The old man died for two months. (×)→The old man has been dead for two months.。
关于现在完成时的时间状语
关于现在完成时的时间状语一．.现在完成时说明的是现在的情况，属于现在时。
因而不能与表示过去具体时间的时间状语连用，如不可与yesterday, last week, three years ago, in 1990, at eight o’clock 等之类的时间状语连用。
这类时间状语通常是与过去（一般）时连用。
、例如：----Has he come back yet?----Y es, he came back yesterday?二．现在完成时通常可与表示过去不确定时间的时间状语连用，如already, yet, just, before等副词时间状语。
例子见上述“主要用法”中。
例如：1）I have already returned the pen to him.2）Have you washed my clothes yet? ----Y es, I have just washed them.3）I have seen the man before.说明：before有时也可用于一般过去时（这与用现在完成时意思差不多），如I told you before.我早就告诉过你。
另外，already和yet有时也可用于一般现在时，如It’s eight already./He isn’t back yet (=He hasn’t come back yet).三. 现在完成时通常可以与包括“现在”在内的表示一段时间的时间状语连用，如since...,for...；ever, never, recently（最近），today, this week (year), these days (weeks, years), in/during the last/past two years, so far等。
例如：1）We have known each other since we came to the school.2）I have collected ten stamps this week[these weeks].3）Have you seen him these days?说明：ever, never有时也可用于一般过去时（这与用现在完成时意思差不多），如I never saw the man.四. 比较下列几组用法的区别⑴already与yet①一般情况下，already表示“已经”，主要用于肯定陈述句，一般在句中；yet表示“已经”或“仍然，还”是用于疑问句或否定句，一般在句末。
【语法】M3U6-since, for+时间状语与现在完成时态连用
become—be
Practice
练习巩固
判断正误并改正。 I have bought this pen for two months. I have had this pen for two months. The teacher has left for half an hour.
The teacher has been away for half an hour.
Presentation
非延续性动词和延续性动词（状态）
come—be borrow—keep die—be dead begin—be on buy—have
join—be a member
leave—be away (from), go out—be out open (v.)—be open (adj.)
Practice
练习巩固
live √ wake open stay √ die
判断下列各词是否是延续性动词（状态） come have √ read √
buy
Presentation
“非延续”、“延续”要转换 根据现在完成时的概念可知，在现在完成时态 中如果动作从过去延续到了现在就一定要延续 性动词。即将非延续性动词转换为延续性动词。 “Cats” has been on for half an hour. 《猫》已经开演半个小时了。 begin be on
Presentation
Hello. I’m Doris. It’s now November 2012. I’ve lived in Shanghai since November 1998. I’ve studied at New Point Junior High School for one year and two months. I’ve been in the Science Club for one year. I joined the Volleyball Club two months ago.
现在完成时用法——持续性用法
现在完成时用法-—持续性用法现在完成时用法——持续性用法——持续性用法（肯定句,疑问句中谓语动词必须是延续性动词）：表示过去已经开始,持续到现在的动作或状态.此时常与“for＋一段时间或“since＋过去的点时间或从句(从句用一般过去时）以及so far（到目前为止)等时间状语连用。
for + 段时间since +点时间实例:1）I’ve lived here since 1990．自从1990年以来我就住在这里。
= I've lived here since 13 years ago。
= I've lived here for 13 years.= It is 13 years since I began to live here.2)I haven't seen him for three years ．我三年没有看见他了。
= I haven’t seen him since three years ago.= It is 3 years since I saw him last time.3）Mr Wang has worked in the factory since he came to the city ．自从到这个城市以来，王先生一直在这家工厂工作。
4)She's been at this school since five years ago．自从五年前以来她就在这个学校。
注意：①在这类句子的肯定句和疑问句中谓语动词必须用延续性动词.短暂性动词由于动作不能持续，故不能与for（达到；累计)或since（自从。
到现在）引出的时间状语连用。
②对for和since引导的时间状语提问要用How long1)他入团两年了.误：He has joined the League for two years．正：He has been a League member for two years．2）我买这辆自行车三年了。
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与现在完成时连用的时间状语现在完成时表示的是发生在过去，而与现在的情况有联系的动作，或者表示从过去某一时间开始一直持续到现在而且可能继续持续下去的动作。
与现在完成时连用的时间状语，在说明发生在过去而与现在情况有联系的动作时，有时显得难以确定，学生在使用这些时间状语时也容易出错。
本文根据现在完成时的用法，将与其连用的时间状语做如下归纳。
一．现在完成时说明的是现在的情况，因此不能和表示过去时间的状语（如yesterday ,l ast week , seven days ago , in 1986 ----）连用。
但是现在完成时可以和表示过去时间的副词just , before连用。
例如：1.I’ve just done my homework .2.I have never lost a book before .二．现在完成时可以和表示不确定的时间副词already , yet , never , ever连用。
例如：1.have you forgotten already ？2.Have you found your ruler yet ?3.I’ve never heard of that before .4.–Have you / they ever made dumplings ?--No , I /we /they haven’t .二．表示持续性动作的动词的现在完成时，经常和表示一段时间的状语连用。
例如:1.I’ve been here for just over two years .2.I’ve worked here since 1989 .3.He has worked there since it opened in 1989 .三．现在完成时属于现在时态，因此可以和包括“现在”在内的时间状语连用。
例如：1.That’s one thing I have’t forgotten today ！2.We’ve been in China for over two years now .不能变被动语态的情况种种一般来说，“及物动词+宾语”组成的主动语态的句子可以变成被动语态，但并不是所有这样的句子都可以变被动语态，情况如下：一．当宾语是反身代词或是相互代词时，不能将主动句改为被动句，因为反身代词或相互代词不能作主语。
We should help each other .-----Each other should be helped by us .(误)They can teach themselves .-----Themselves can be taught by them .(误)二．表示状态的动词不能变为被动语态。
I have a story book .----A story book is had by me .(误)He lacks much money .----Much money is lacked by him .(误)三．当组织机构的名词作宾语时，句子不能变被动语态。
He joined the Party in 1980 .----The Party was joined in 1980 by him .（误）四．当宾语是行为者身上的某一器官或某一部位时，句子不能有被动语态。
He shook his head again .----His head was shaken again by him .(误)I often put up my hand in class .----My hand is ofen put up in class by me .(误)五．当宾语是同源宾语时，句子不能有被动语态。
He lives a happy life .----A haapy life is lived by him .(误)He died a heroic death----A heroic death was died by him .(误)六．当宾语时表示地点的名词时，句子不能有被动语态。
He reached Paris yesterday .----Paris was reached by him yesterday .(误)七．当谓语动词和宾语是一个不可分割的短语时，这样的句子没有被动语态。
The boy made a face in class .----A face was made in class by him .(误)中招英语试题常考要点及举例1.I t’s time for sth / to dosth意为“该做什末事情了”。
time后面跟for+名词或者直接跟动词不定式。
例如：It’s time for class.It’s time to do morning exercises .2.It’s good / bad for sb / sth表示“对某人或某物有益或危害”的意思，介词for后面跟名词或代词。
例如：Games are good for the health .Don’t read in bed .It’s bad for your eyes .3.would like to do sth意为“愿于做某事”；I’d like sb to do sth意为“我请某人做某事”。
例如：I would like to play football this afternoon .I would like you to stay a little longer if you have time .4.It takes sb some time to do sth意为“做某事花费了某人多少时间”。
it是形式主语，sometime后面的动词不定式是真正的主语。
例如：It takes him an hour to finish his homework every day .It took more than 100000 men twenty years to biuld the great pyramid .5.keep+sth+adj。
意为“是某物保持某种状态”；keep+sb+doing sth意为“是某人一直做某事”。
例如：Please keep the room clean and tidy .I’m sorry to have kept you waiting so long .6.neither nor意为“既不——也不——”。
这是一个关联连接词，可以用来连接两个相同的句子成分。
当连接两个并列主语时，谓语动词应与第二个主语在人称和数上保持一致。
例如：He has neither money nor time .Neither I nor he believes what she said .7.either --- or---意为“或是——或是——”，“不是——就是——”，这也是个关联连接词，也可用来连接两个相同的句子成分，当连接两个并列主语时，谓语动词与第二个主语在人称和数上保持一致。
例如：Either you or he is right .You can study either Einglish or Russian .8.so--- that ---表示“如此——以致——”的意思。
so后面接形容词或副词的原级，that引到结果状语从句。
例如：It’ so fine a day that we can go swimming .I spoke so slowly that I could make myself understood .9.too --- to ---意为“太——而不能——”。
too后面接形容词或副词，再跟动词不定式，此结构具有否定意义。
例如：Many stars are too far away to see .He spoke too quickly for me to understand .10.I don’t think ---意为“我认为——不——”。
think后面跟否定含义的宾语从句时，否定形式通常前移到主句的谓语动词上去。
例如：I don’t think he is right .They don’t think we can win the game .11.What about ---?意为“——怎么样？”就某事提出建议。
例如：What about having a game of table tennis ?The girl students will pick cotton . What about the boys ?12.Why not+动词原形？意为“为什么不——？”这是一个省略句，表示向对方提出建议。
例如：Why not have a try a second time ?Why not go for a walk ?13.prefer ---to ---表示“两种事物中更喜欢某一种”的意思，一般把更喜欢的事物放在动词prefer的后面，把作为比较的事物放在介词to的后面。
例如：I prefer tea to coffee .He prefer walking to going by car .14.have sb do sth意为“是某人做某事”；have sb or sth doing意为“是某人或某物处于某种状态”。
在这两个句型中，have 为使役动词，后面接复合宾语。
注意在第一个句型中，宾语后面不带to的不定式做宾语补足语。
例如：The teacher had the monitor hand out the papers .Don’t worry ,we’ll have him help you with your lessons .Don’t have thehorse running so fast .All of us tried have her going to bed . But it is no use .。