高考英语冲刺讲义十二强调句
高考英语语法复习强调句型课件
(3) It was on the farm that we practised planting crops. (4) It was the farm where we learned a lot . 但是应注意，有些表示时间或地点的词汇 及短语本身不需要在其前面加介词，故其连词 也只能是that,而不是when或where。再如： (5) It was yesterday that we chatted a lot on line. (6) It was there that Mike was drowned yesterday.
强调主语: It is they that/who will have a meeting in the hall tomorrow. 强调宾语: It is a meeting that they will have in the hall tomorrow. 强调地点状语: It is in the hall that they will have a meeting tomorrow. 强调时间状语: It is tomorrow that they will have a meeting in the hall.
5.强调时间状语和地点状语时与定语从句 的区别： （1）It was in 1921 that our Party was founded.(强调句式) （2）It was 1921 when our Party was founded.(定语从句) 即：强调时间或地点时有介词置于其 前时，则连接词用that。其前面应有介词 而被省去时，则用连接词when（时间） 或where(地点)。又如：
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4. ______ find my wallet ,Tom ? A. Where did you that B. Where was it you C. Where have you D. Where was it that you 5.It was not until 1920___ regular radio broadcast began. A. while B. which C. that D. since 6.It is the ability to do the job___ matters, not where you came from or what you are. A. one B. it C. what D. that
高考英语考点详解——强调句型
高考英语考点详解——强调句型1、强调句的构成:It is/was +被强调的成分+ that +其它成分2、关于“被强调成分”⑴“被强调的成分”最常见的是句子的主语、宾语、状语，特殊情况下也可能是宾语补足语、表语等成分。
如：My father met with an old friend of his [in the street] [yesterday].→ It was my father that/who met with an old friend of his in the street yesterday.（主语）→ It was an old friend of his (that/whom) my father met with in the street yesterday.（宾语）→ It was in the street that my father met with an old friend of his yesterday.（地点状语）→ It was yesterday that my father met with an old friend of his in the street.（时间状语）⑵“被强调的成分”通常不能是表语、谓语动词、though/although引导的让步状语从句或whereas引导的从属分句等。
但是，如果当系动词不是be,且表语部分是名词性词组时，强调句也可以强调表语。
如：①The picture is wonderful.→It is wonderful that the picture is. (×)②He becomes head of the department now.→It is head of the department that he becomes now. (√)⑶“被强调的成分”是原因状语从句时，只能强调由because引导，而不能强调由since/as/why等引导的原因状语从句。
2020备考高考语法--强调句 讲解与练习
2020备考高考英语语法-- 强调句一．强调句的基本用法：强调句的基本形式：It +is/was +被强调的部分+that/ who +原句被强调的部分可以强调主语、宾语、时间状语、原因状语、地点状语和方式状语It was only when the car pulled up in front of the house____ we saw Lily in the passenger1.强调句与since、before 和when引导句型的区别1).It was/is+ (时刻，或时间点）+ when …..当某事发生时，是几点钟或哪一年如：It was 1997 when Hongkong returned to China.It was five o'clock when we arrived at the small mountain village.It was midnight when he got home.对比：It was at five o'clock ______ we arrived at the small mountain village.( that)2).It+ is/ was+…+that…多用于强调3).It was+一段时间+ before sb did sth. 过了一段时间之后，才….It will be +一段时间before sb do sth. 要过一段时间之后，才…..It won’t be long before sb do sth .不久之后就...It wasn’t long before sb did sth. 不久之后就…如：It was two years before Macao returned to China.It won’t be long before you see him again. 没过多久你就会再见到他。
完整)高考英语强调句讲解及考试
完整)高考英语强调句讲解及考试中的谓语动词要改为肯定形式。
原句：I didn't realize the importance of time until I failed the exam.强调句：It was not until I failed the exam that I realized the XXX.强调句型是英语中常用的一种表达方式，它通过强调句子中的某一部分来突出其重要性。
强调句型的基本结构是Itis/was +被强调部分+that/who+句子的其余部分。
连接词的选择要根据被强调部分的性质来确定，如人用who或that，宾语指人时也可用whom，物只能用that。
时态方面，现在时用It is，过去时用It was。
有时可以使用情态动词来表示推测。
在强调含有not until的句子时，not要放在until从句前，主句中的谓语动词要改为肯定形式。
It wasn't until he finished his work that he finally went home.XXX.To form an XXX。
the word order of a regular n is used with the n of the word "it." For example。
"Was it you who broke the window?" or "Was it during the war that he lost his son?"When XXX word。
the structure is "n word + is/was + it + that。
" For example。
"Where was it that you were born?" or "What was it that you wanted to see?"XXX element is the subject。
《高考英语强调句型》PPT课件
B. that is
C. are
D. who are
• [简析]：此句被强调部分中的the sales manager，通过rather than与the sales girls形成比较结构，再考虑到主谓一致的原则， 应选B。
• 18．(NMET 2007, 24) It is the ability to do the job _____ matters not where you come from or what you are.
•
It must have been+被强调部分+ that …
• Would/ Could it be +被强调部分+that…?
• 20．It might have been John ______bought a new book for Mary yesterday.
• A. what B. since C. that D. then
• A. one
B. that
C. what
D. it
• [简析]：本题答案选B。在本题中被强调部分the ability to do the
job 与 not where you come from or what you are形成比较结构，
the ability to do the job与matters形成主谓一致关系。当然本题
高考英语复习专题
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It is (was) +被强调部分 + that (who)+ 句子其他 部分。
此结构强调的成分仅限 于主语、宾语、表语和 状语。
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强调句型的强调部分必须是对
2020备考高考语法--强调句 讲解与练习
2020备考高考英语语法-- 强调句一．强调句的基本用法：强调句的基本形式：It +is/was +被强调的部分+that/ who +原句被强调的部分可以强调主语、宾语、时间状语、原因状语、地点状语和方式状语It was only when the car pulled up in front of the house____ we saw Lily in the passenger seat. (2018年天津)1.强调句与since、before 和when引导句型的区别1).It was/is+ (时刻，或时间点）+ when …..当某事发生时，是几点钟或哪一年如：It was 1997 when Hongkong returned to China.It was five o'clock when we arrived at the small mountain village.It was midnight when he got home.对比：It was at five o'clock ______ we arrived at the small mountain village.( that)2).It+ is/ was+…+that…多用于强调3).It was+一段时间+ before sb did sth. 过了一段时间之后，才….It will be +一段时间before sb do sth. 要过一段时间之后，才…..It won’t be long before sb do sth .不久之后就...It wasn’t long before sb did sth. 不久之后就…如：It was two years before Macao returned to China.It won’t be long before you see him again. 没过多久你就会再见到他。
2013年《高考风向标》高考英语一轮复习课件 第二部分 第十二讲 倒装句和强调句
倒装句
一、倒装句用法一览表
续表
续表
二、特别提示 1．there be 结构的倒装句型中，除了 be 动词之外，there
后还可接 lie, live, seem to be 等。
2．here, there, now, then, up, down, away, out 等副词位于句 首，主语为代词时不倒装。 3．so 位于句首不倒装的情况： (1)主语与前句相同，表赞同，译为“确实如此”。
It was not until you told me that I realized my not...until...句型的强调句 mistake.直到你告诉我，我才意识到自己的错误。 It is true/a fact that they won the game. (it 是形式主语)他们赢得了比赛是事实。 与主语从句(It is/was...that- It was in Xiamen that I first met him.(强调句的特 clause)的区别 点：去掉 It was...that 后句子仍完整)我第一次遇 到他是在厦门。
起放在主语之前。
5．not until 位于句首的倒装句中，如果是复合句，只有主 句用倒装，从句不用。
强调句
“It is/was...who/that...”强调句型是高考考查的重点之一。此 句型可强调主语、宾语、状语。如果强调谓语，用 do/does/did ＋动词原形。高考通常考查强调句与几个易混句型连词的使用 和强调句的问句。
续表
说明 与 “It be...before (时间 过多久才„„)/since (自„„以来多长时间了) 句型”的区别 例句 It was two hours before he worked out the problem. 两个小时后他才算出这道题。 It is two years since he joined the army.他参军已经 两年了。
高考英语语法专题十二特殊句式及结构)PPT
到句首构成部分倒装。
Pretty as/though she is,she is not proud.
尽管她很漂亮,但她一点也不自负。
Try as he would,he might fail again.
尽管他还会尝试,但可能还会失败。 特别提示 单数可数名词表语提前时,省略其前的不定冠词。
Child as he is,he knows a lot.
2022年春季语文下学期
2022年春季语文下学期
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考点三 强调句型 1.强调句的基本句型是“It is/was+被强调的部分+that/who+其他部
分”。被强调的部分可以是主语、宾语、状语等。 It is only children who will make such stupid mistakes. 只有孩子才会犯这样愚蠢的错误。 2.强调句型的一般疑问句只需将is/was提前,特殊疑问句的结构是“疑问 词+is/was+it+that+其他部分”。 Was it in this market that you bought the TV? 你是在这个市场买的电视吗? Where was it that he got the information? 他是从哪里弄到这个信息的?
机器好像出了点问题。
There is likely to be an important meeting tomorrow.
明天很可能会有一个重要的会议。
Once upon a time there lived an old monk in the temple.从前,那
2座022庙年春里季住语着文下一学个期 老和尚。 2022年春季语文下学期
高考英语强调句讲解及考试
强调句专题强调句型的基本结构是：It is/was + 被强调部分(主语、宾语、宾语补足语或状语等) + that/who +句子的其余部分。
一、连接词。
一般说来，假如被强调部分是人时，用连词that或who；被强调的部分是宾语，指人时也可以用whom；假如被强调部分是物，只能用连词that。
It was John and Mike who/that saw Mary in the street last night.It is Mary whom/ who he often helps .It was in the street that I met him yesterday.二、时态。
假如原句中谓语动词运用的是现在范畴的时态(一般现在时、现在进行时、现在完成/现在完成进行时、一般将来时、将来进行时、将来完成时等)，用It is...that...。
假如原句中谓语动词为过去范畴的时态(一般过去时、过去进行时、过去完成时、过去将来时等)，则用It was...that...。
如：Mary met an old beggar in the street yesterday.It was Mary who/that met an old beggar in the street yesterday. (强调主语)It was an old beggar whom/that Mary met in the street yesterday. (强调宾语)It was yesterday that Mary met an old beggar in the street. (强调时间状语)It was in the street that Mary met an old beggar yesterday. (强调地点状语)有时，be前可运用表示推想的情态动词。
如：It must be Peter who has let this secret out.确定是彼得将这个隐私泄露出去的。
高中英语语法基础 强调句型知识点总结归纳讲解(附同步练习)(有答案)
高中英语语法基础——强调句型知识点归纳讲解（附同步练习）在高中英语中，强调句是重点句型，也是难点句型，更是考试中的高频句型。
作为英语语言表达中一种句型，强调句的使用，目的在于通过强调主语、宾语或者是状语某个部分，来强化表述自己对一句话中某一个点（时间、地点、人物、事件等方面）的情感，态度和意愿。
强调句属于主从复合句，但强调部分只强调句子的某一个成分。
英语中常用的强调结构有：It is (was)+被强调部分(主语、宾语或状语)+that/who...（陈述句）；疑问词what/how/why…+be it that…句型（疑问句）；It was not until… + that…句型。
一）、陈述句强调句型（1）It is/was+被强调部分（通常是主语、宾语或状语）+that/who（当强调主语且主语指人）+从句。
如：原句：Mary did the experiment in the lab yesterday evening.强调主语：It was Mary who did the experiment in the lab yesterday evening.强调宾语：It was the experiment that Mary did in the lab yesterday evening.强调时间：It was yesterday evening that Mary did the experiment in the lab. (注意不用when)强调地点：It was in the lab that Mary did the experiment yesterday evening. (注意不用where)（2）强调谓语动词时，用助动词do/does或did。
如：Do remember to get up early tomorrow, or we will miss the train.Do be careful when you cross the street.He did write to you last week.Mr.White, I did hand in my homework to you this morning.二）、疑问句强调句型1、一般疑问句的强调句型：形式上只需将is / was提前，即：Is / Was+ it+被强调部分+that / who+从句? 如：Was it your brother that made you get hurt?Was it in Beihai Park that they made a date for the first time?2、特殊疑问句的强调句型：被强调部分（通常是疑问词Who / When / What / How / Where / Why...）+is / was+it+that+从句？如：原句：How did he come here ? 强调句：How was it that he came here ?原句：Why did he came late ? 强调句：Why was it that he came late ?原句：When / Where did you met your girlfriend for the first time ?强调句：When and where was it that you met your girlfriend for the first time ?三）、not...until...强调句型1、句型为：It is/was not until+被强调部分+that+从句。
高考英语语法复习强调句PPT课件
It is tomorrow that they will have a meeting in the hall.
2. 强调句型的注意点
It is your father who is wrong this time. It is his parents who have come tas it + 被强调部分
+ that + ----
Is it the dictionary that you are looking for? Was it yesterday that he was fired?
特殊问句：疑问词+is/was +it +that +-----
It was _s_h_e_ that won the championship
this time.
你明天要去采访的是他。
It is him who you will interview
tomorrow.
③ be前面可加情态动词
It must be Peter who has let this secret out. It may be next week that she leaves for Tokyo. It might be last night that the thief broke in their house.
主语 一致 谓语
① 主谓一致：被强调部分作主语时， 其形式与谓语动词在人称和数上保持 一致。
It is Mary who often h_e_l_p_s (help/helps) me with my English.
It is I that _a_m__ (be) against you.
倒装句、强调句——备战新高考英语复习语法知识点全面梳理(全国通用)
1. 2 部分倒装
2. 具有否定意义的词或词组开头的句子，用部分倒装。这样的词有hardly, never, barely, scarcely, little, not only, by no means, at no time, on no condition, under no circumstances etc. • 1) Little did he know who the girl was. • 2) In no way can they finish the task. • 3) Not until his parents returned home did he finish his homework. • =He didn’t finish his homework until his parents returned home • = It wasn’t until his parents returned home that he finished his homework. • 4) Not only can I speak English, but I can also speak French. (also经常省略，有
1. 2 部分倒装
4. as 作“尽管、虽然”解，引导让步状语从句时，引起倒装,需要倒装前置的内容有 表语名词去冠词；表语形容词；动词后副词；情态动词后动原。 • 1) Although I like her much, I will never marry her. (改为由as引导的倒装句)
• Much as I like her, I will never marry her. • 2) Although he is young, he knows a lot. (改为由as引导的倒装句)
强调句(完整版)_高三英语ppt课件
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It was not until she had arrived home that she remembered her appointment with the doctor.
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It was 7 o’clock when he came back. 他回来时7点钟了 . It was at 7 o’clock that he came back. 他是7点钟回来的。
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2. It is／was…that…强调句型 的被强调部分如果是原因状语
从句，只能由because引导，不
He met an old friend in the park yesterday.
强调地点状语
It was in the park that he met an old friend yesterday. 强调时间状语
It was yesterday that he met an
old friend in he park.
Was it her (that) you were talking about?
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5. 如果强调的是特殊疑问句，要 用“特殊疑问词+is/was + it + that +…”结构, 表示“究竟是 谁……，到底在哪里……”等等。
Who was it that you want to see?
Where was it that you saw the teacher?
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4. I painted the door white.
2020年高考英语之高频考点解密十二 特殊句式(强调,倒装,祈使句,感叹句等)(含答案)
解密12特殊句式（强调，倒装，祈使句，感叹句等）考点详解【考点解读】1. 掌握倒装的必备条件及倒装的具体应用。
2. 熟知强调句的基本结构及其疑问句句式、特殊疑问句式，注意其与结构相似的主从复合句的区别。
3. 掌握省略的一些基本原则，在行文中正确地使用省略。
4. 掌握祈使句、感叹句的基本形式及用法。
5. 掌握反意疑问句的构成和用法。
【命题趋势】近两年高考试卷中的语篇型语法填空题对特殊句式的考查很少，但强调句型、倒装句、there be 句型等均为高中教学的重点内容，所以在高考备考中，考生仍然需要掌握这部分内容，以便有充分的知识储备和较强的综合能力应对高考。
考向1 倒装倒装是英语中常见的一种语言现象，它具有强调、修饰等作用。
倒装可分为完全倒装和部分倒装。
一、完全倒装完全倒装是指将句子中的谓语动词全部置于主语之前。
此结构通常只用于一般现在时或一般过去时。
常见的结构有：1. There be句型：其中be可换成live, lie, stand, remain, exist, come, go, seem (appear/ happen/ used) to be等表示＂存在＂意义的词。
☛There entered a strange little man. 走进来一个奇怪而身材矮小的人。
☛Once there lived an old fisherman in a village by the sea. 从前，海边的一个村子里住着一位老渔夫。
2. 以here, there, off, out, in, up, down, away, now, then, on等表示方向、位置或时间、地点的副词开头的句子，谓语是come, go, be等动词时，并且其主语为名词时，通常使用完全倒装。
☛Now, here goes the story. 现在，这个故事是这样的。
☛Then came another question. 然后又一个问题被提出来了。
2023届高三复习语法强调句讲义
强调句强调句是为了突出句子的某一部分，以便能引起他人的注意。
一般而言，强调句几乎可以强调除谓语动词和作表语的形容词以外的所有句子成分。
强调句的结构：It is/was +被强调的部分+that+句子被强调以外的部分。
He reads English on the balcony every morning.对主语强调：It is he that reads English on the balcony every morning.对宾语强调：It is English that he reads on the balcony every morning.对地点状语强调：It is on the balcony that he reads every morning. 对时间状语强调：It is every morning that he reads English on the balcony.You shape your life and future. (分别对主语/宾语强调)对主语强调：It is you that shape your life and future.对宾语强调：It is your life and future that you shape.It was with the help of her teacher that she made much progress.对方式状语强调注意：1.强调句的谓语是is或was。
It was your sister that I met in the street yesterday.2.不管被强调部分是哪种状语，只能用that连接，不能用where 或when等，强调事物时，也不能用which代替that.It was in the street that I met your sister yesterday.It was yesterday that I met your sister in the street.3.被强调的部分是人时，可用who（主格或宾格）和whom（宾格）代替that。
高三英语强调句复习 高考考点课件精选课件
(6)强调句型中的be动词和情态动词的结合。
句式特征: It may be+ 被强调部分+ that … It must have been+被强调部分+ that …
烦恼时，友情如醇绵的酒；痛苦时，友情如清香的茶；快乐时，友情如轻快的歌；孤寂时，友情如对饮的月…… 友情是一汪温泉，是共同烦恼和喜悦的点点滴滴，最后汇聚成一条友情的河，在生命里潺潺不息。
友情是一缕轻柔的风，是懊恼时送来的缕缕畅意，是烦闷时真诚互吐的心曲，是节日时互赠的声声祝语……那时的友情，是一卷明朗的画，无论何时想起都清爽亮丽；是生命里郁郁葱葱的树木，一年四季常青。 一个人的天空是狭小的、单调的。友情织成的天空，是广阔的，也是灿烂的。友情能给你的生活增添情趣，让你更多的洞悉外面的世界。 友情是一股互助的动力，是互相欣赏的知己。是成功时的互相致意，是失败时永恒的鼓舞，是一曲豪迈的歌，何时唱起都激昂如昔。 友情，又像是一杯浓浓的咖啡，是成熟后的淡淡的香醇与苦涩，是愚人节一个善意的玩笑，是生日时的那一句：生日快乐！ 你是天上的云，我就是吹动你的风，我们彼此依赖，互相信任，互相关心。 友情，有时是一种无声的陪伴，是桌子前的两两对坐，无言亦是懂得。友情是一处温暖的海港，静静地接待疲惫的你靠岸。
被被强强调调部部分分为为主宾Pa语语y 时时at，，te““nt被被io强强n！调调部部分分””用用主宾格格；。
(2). I didn’t recognize him until he took off his dark glasses.
强调句型 It was not until he took his dark glasses that I recognized him.
高考英语语法——强调句(共12张PPT)
强调句用于感叹句中
What a silly mistake it is that you have made!
12
10
被强调的名词或代词可带有一个定语从句
Was it Bill, who plays football well, that helped the blind man cross the road? It was in the school, where I once studied, that we hold a party. Was it in the house, which we visited last year, that the murder happened?
时间状语从句、原因状语从句
4
Was it they that (who) would get married? It was not they that (who) would get married.
5
What was it that I had done? Who was it that did it? When is it that the train will draw out of the station? How is it that you find the key? Why was it that you talk back to your parents?
2
3
主语 宾语 宾补 状语
It is what you said that makes her angry. It was our English teacher whom we invited to take part in our party. It is yellow that the workers paint the wall. It was because it rained heavily that we couldn't hold the sports meet.
冲刺高考英语强调句型的识别与翻译
冲刺高考英语强调句型的识别与翻译在高考英语中，强调句型是一个重要的语法点，它能够帮助我们更准确、更有力地表达思想。
掌握强调句型的识别与翻译，对于提高英语理解和表达能力，以及在考试中取得好成绩都具有重要意义。
一、强调句型的构成强调句型的基本结构是：“It is/was ＋被强调部分＋ that/who ＋句子其余部分”。
需要注意的是，被强调部分可以是主语、宾语、状语等，但不能是谓语。
例如：“It was Tom who broke the window”（强调主语）“It is in the park that we often play football”（强调地点状语）二、强调句型的特点1、去掉“It is/wasthat/who”结构，句子仍然完整。
比如：“It was Tom who broke the window”去掉强调结构后变成“Tom broke the window”，句子意思完整。
2、被强调部分是人时，可用 that 或 who，强调其他成分时，只能用 that。
3、强调句型的时态要根据原句的时态而定。
如果原句是一般现在时，强调句用“It is”；如果原句是一般过去时，强调句用“It was”三、强调句型的识别要准确识别强调句型，需要注意以下几个方面：1、先判断句子是否有“It is/was”的结构。
2、接着看去掉“It is/wasthat/who”后，句子是否依然通顺且意思完整。
3、注意被强调的部分在句子中的成分。
例如：“It is the book that I bought yesterday” 去掉强调结构后为“The book I bought yesterday”，句子通顺且意思完整，被强调部分“the book”是宾语。
四、强调句型的翻译在翻译强调句型时，要突出被强调的部分，可以采用“正是……；就是……”等表达方式。
例如：“It was yesterday that I met him” 可翻译为“正是昨天我遇见了他。
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十二、强调句
强调的类别说明例句
It is (was) +被强
调部分
+that(who)…为了强调句子的某一
成分（通常是主语、
宾语或状语），常用强
调结构：
It is (was) +被强调
部分+that(who)…
表示强调的it在这种
结构的
句子中作主句的主
语。
原始句：Last night I saw a film in the Youth
Palace.
强调主语：It was I that (or: who) saw a film
in the Youth Palace last night.强调宾语：
It was a fiml that I saw in the Youth Palace
last night.
强调地点状语：It was in the Youth Palace
that I saw a film last night.强调时间状语：
It was last night that I saw a film in the
Youth Palace.
一般讲，原句的谓语动词如果是现在或将来各
种时态，用It is…that (who)…；如果原句
谓语动词是过去各种时态，则用It was…
that(who)…。
注意点
①在强调主语时，that后的谓语动词要与被强
调者保持人称和数的
It is I who am a teacher.
②即使被强调的主语是复数，主句中的谓语动
词也用单数
It is they who often help me with my
lessons.
③在强调时间、地点、原因、或方式状语时，
不要用when,where,why
或 how ，而用th at
It was because her mother was il l that she
didn't go with us.
④在强调not … until 结构中由 until 短语（或从句）表示的时间状语时，
要用固定的强调句型
It is(was) not until ...that...。
that 从句中的谓语动词用肯定式。
My father didn't come home until 12 o'clock last night.
It was not until 12 o'clock last night that my father came home.
⑤在强调一般疑问句中的某一成分时，主句要用一般疑问句的语序：
把is/ was提到it前面。
Did this happen in Beijin g?
Was it in Beijing that this happened?
⑥特殊疑问句中只有疑问词可以强调，其强调结构是“被强调部分（通
常是疑问代词或疑问副词）+ is/was + it + that/ who + 其它部分?"
Where were you born?
Where was it that you were born?
⑦not …until…句型的强调句
句型为：It is/ was not until + 被强调部分+ that + 其它部分
原始句：He didn’t go to bed until/ till his wife came back.
强调句：It was not until his w ife came back that he went to bed.
此句型只用until，不用till。
但如果不是强调句型，till, until可通
用；因为句型中It is/ was not … 已经是否定句了，that后面的从句
要用肯定句，切勿再用否定句了。
谓语动词的强调
I t is/ was …
that …结构不能强调
谓语，如果需要强调
谓语时，用助动词do/
does或did。
Do sit down. 务必请坐。
He did write to you last week.上周他确实
给你写了信。
Do be careful when you cross the street.
过马路时，务必（千万）要小心啊！
此种强调只用do/does和did ，没有别的形式；
过去时用did，后面的谓语动词用原形。