if用法详解(三) if的不祥&倒装
if-型不祥结构及不祥if而引起的倒装气候在中学英语讲义中赓续出现,而况亦然高考一个十分进攻的考点,本文拟对其可能触及的结构作一全面归纳。
I不祥if倒装
当捏造口吻在非着实条款句使用时,if可以不祥,从而引起倒装,即把were,had,should提前,以强调假定条款的捏造性或隆起语言东说念主的主不雅愿望。
迷水商城(1)示意与现在事实相悖的情况
If I were you, I would never take Shelly somewhere dangerous.
Were I you, I would never take Shelly somewhere dangerous.
如果我是你,我恒久不会带雪莉去这样危境的场所。
(2)示意与畴前事实相悖的情况
If Shelly had worked out 23 hours a day, she wouldn't have got constipated.
Had Shelly worked out 23 hours a day, she wouldn't have got constipated.
如果雪莉之前每天磨真金不怕火23个小时,她就不会便秘了。
(3)示意与改日事实相悖
If Shelly were to stay on Salmon Planet, cheaper treatment couldn't be worked out.
迷水商城Were Shelly to stay on Salmon Planet, cheaper treatment couldn't be worked out.
如果雪莉要待在鲑鱼星球,她就找不到低廉的颐养才略。
II if从句中的不祥
(1)if + 描写词
这类结构庸碌可视为在if与描写词之间不祥了主语+动词be。
Send the goods now if (they are ready).
货品如已备好,请即送来。
If (it is) true, this will cause us a lot of trouble.
迷水商城这事如果事实,它将给咱们形成很多费事。
If necessary, ring me at home.
如果必要,可往我家里打电话。
If possible, let me know beforehand.
如果可能,可在预预知告我。
If (it is) convenient, do come to attend our party in Hilton Restaurant tomorrow.
如果便捷的话,未来一定要来参预咱们在希尔顿饭馆的约聚。
(2)if + 畴前分词
其中畴前分词可视为是被不祥的被迫结构,即在if与描写词之间不祥了主语+动词be
He will come if (he is) asked.
他受邀就会来。
The medicine is quite effective if (it is) taken in time.

这药要是能如期服用,成果是很好的。
(3)if + 代词
这类不祥庸碌要凭据具体的凹凸文来流露。
①if (there is) anything
a.如有什么不同的话(之前多已说起相悖的情况);
I haven't made much of this—if anything, I've played it down.
对此我并莫得加以爱好——要说有什么分歧的话,迷药拼多多那我是看淡它了。
迷水商城b.若要说的话;
He seems to have little, if anything, to do with this.
若要说他和这事有什么有关的话,那也似乎是很少的。
c.以至正相悖
He is not diligent,if anything, he is clever.
他不清苦,正相悖,他很贤达。
②if any示意数目:如果有(一些)
There are few people nowadays, if (there are)any (people), who remember him.
刻下谨记他的东说念主,如有的话,也未几了。
(4)if + 介词短语
这类结构往往要凭据具体的语境来流露。
①if in doubt如果有疑问
If(you are) in doubt, ask your doctor. He can give you further information.
你若有疑问,可以问问医师. 他会向你作进一步的阐发。
②if at all即使...也;要是...就
Their policies have changed little, if at all, since the last election.
自前次选举以来,他们的计谋就算是有变化,也变得很少。
Drink in moderation, if at all.
要是喝酒,就适量喝。
③if at all possible尽可能
Work at home if at all possible.=Work at home if it is possible at all.
如果可能的话,尽量在家办公。
④if by any chance万一
If by any chance you can’t manage dinner tonight, perhaps we can at least have a drink together.
迷水商城就算你今晚不吃晚饭,也许咱们至少可以一王人喝一杯。
注:以上if不祥结构中,不祥的主语可以是there、it、以及与从句一致的主语;如主从句主语不一致或从句中艰巨be动词,则不行不祥。
If an eyewitness to the accident is brought in, you are sure to be proved innocent.
如果有一个目睹事故的证东说念主在场,你细则会被讲明是无辜的。
If the host invites the superstar, he would be glad to show up at the celebration.
如果主抓东说念主邀请那位超等巨星,他会很风景出席庆祝举止的。
(5)if ever
迷水商城if ever 可视为习语,它庸碌与seldom连用,具有辩说意味,示意“小数”“认真”,“的确”“即使...也”
迷水商城She seldom, if ever, goes to the cinema.
她认真看电影。
He seldom if ever travels abroad.
他到海外旅行,即使有过,亦然小数的。
迷水商城The island is seldom if ever visited by ships.
这个岛认真有船泊岸。
If ever you’re in Cambridge, do give me a ring.
万一你来剑桥,一定要给我打电话。
(6)if not
if not 可视为一个辩说的条款状语从句不祥,“如果不是(那样)的话”
I might see you tomorrow. If not, then it’ll be Saturday.
我可能未往来看你。如果不是未来,那就在周六。
Ask her if it is a convenient time. If not, can she suggest another possible time?
问问她阿谁时辰便捷不便捷。要是不便捷,那她可不可以提议一个可行的时辰?
If not today, tomorrow I’m sure you’ll get an answer.
迷水商城如果今天得不到覆信,未来准能获取。
if not 还可后接示意平等相比的不祥因素:
This is one of the oldest buildings in town, if not the oldest.
这是城里最陈腐的房屋之一,如果不是最陈腐的话。
Usually, if not always, we write “cannot” as one word.
咱们即使不老是如斯,也庸碌是把cannot算作一个词来拼写的。
迷水商城That alligator would be every bit of 11 foot, if not a little bit bigger.
那只鳄鱼其实体量可以。就算莫得更大,也基本有11英尺了。
Much emphasis is put on how to spend as much time if not more studying by themselves as being taught.
如果没花更多的时辰我方学习,催听迷水东说念主们会把要点放在怎样亏蚀尽可能多的去经受指令。
His pronunciation, if not good, is at least tolerable.
他的发音如果说不算好,也还过得去。
迷水商城We all know that, if not carefully dealt with the situation will get worse.
咱们都知说念,如果不谨防处理的话,情况会变得更糟。
Though he started late, Mr. Guo played the piano as well as, if not better than, Miss Liu.
天然他弹钢琴初始得晚,但郭先生如果好不外,也弹得跟刘密斯相通好。
(7)if not more than
示意相比对象在历程上接近或一致:至少也;即使...也
In that business,he earned as much as,if not more than,$40000.
迷水商城在这个行业,他赚的钱起码有4万好意思元。
Jim plays football as well as,if not better than,Mike.
吉姆踢足球如果不是比迈克踢得更好,至少亦然相通好。
Her pronunciation is as good as,if not better than,her teacher's.
她的发音和她的讲授相通好,以至更好。
This bridge is as strong as,if not stronger than,that one.
这座桥即使莫得比那座更坚固,也相通坚固。
He has been to Guilin as many as,if not more than,ten times.
他去过桂林不下十次。
(8)if so
与if not意旨意思相悖:如果(情况是)那样的话
I may be free this evening. If so, I’ll come round and see you.
今晚我可能有空。要是有空我会过来看你。
They must decide if such a plan can be implemented and if so, when.
他必须决定这样的策画是否能执行,而况要是能执行的话,又得决定何时执行。
He may be busy. If so, I’ll call later. If not, can I see him now?
他可能忙,这样的话,我以后再来探询。他如不忙,我现在可以见他吗?
迷水商城Will you be staying another night? If so, we can give you a better room. If not, could you be out of your room by 12:00?
您要再往一晚吗? 如果是这样,咱们可以给您提供条款更好一丝的房间。如果不是, 您能在12点前离开这房间吗?
迷水商城(9)if need be
if need be为习语,其含义相配于if (it is) necessary如果有必要的话:
I will come if need be.
如有必要我会来。
I’ll work at night if need be.
如果有必要我可以晚上责任。
If need be we can always bring another car.
如果有必要的话咱们还可以再开一辆车来。
Disputes are rare and would, if need be, have to be resolved in the courts.
纠纷很少发生,如果有必要,必须通过法庭处罚。
(10)if and only if
强调充分必要条款: 当且仅当
Witches are real if and only if there are criteria for identifying witches.
当且仅当有尺度识别女巫,女巫才是着实存在的。
(11)if and when
固定习用语,可以看作是一个单元:如果,万一
If and when the film gets the green light, be sure you've read the book first.
万一电影获取许可,千万保证你依然读过那本书了。
If and when we ever meet again I hope he remembers what I did for him.
如果咱们再碰面,我但愿他谨记我为他作念了什么。
(12)if I were you
提议建议或劝告: 换作是我
I would go to see him if I were you./ Were I you, I would go to see him.
换作是我,我会去见他。
(13)if only
①if only + to do sth.略含蜕化口吻:即使只为了
Willy would have to tell George more, if only to stop him pestering.
即使只为了回绝乔治触怒别东说念主,威利也会告诉他更多的。
②if only+ 条款从句 抒发关于现在、畴前或改日的缺憾、愿望或不悦:要是…就好了
If only I were as clever as you!(You’ve solved all the riddles.)
我要是能像你相通贤达该多好啊!
If only I had listened to you.(It’s too late now.)
如果我听你了的话就好了。
If only he would call.
只须他打回电话就好!
相比:only if增强主句语势:惟有...才
I could buy the house only if a mortgage for 2000 dollars is available.
惟有拿到2000好意思元的典质贷款,我能力买得起阿谁屋子。
Only if presented in this way can your idea get over to the audience.
惟灵验这样的模样提议来,你的意旨意思能力让听众明显。
(14)no ifs or buts
别找借口;别还价还价;没得洽商
There’s no ifs or buts you have to be finished on a date.
莫得任何借口可言,在限定的日子,你必须完成责任。
no ifs or buts---- just do as I tell you!
莫得任何原理跟借口,照我说的去作念!
麻豆合集夜色 困国酬S濒(15)make as if to do something
假装作念某事;似乎要
I didn’t get up, but only because you made as if to answer the door.
我莫得站起来,仅仅因为你假装要开门。
Mary made as if to protest, then hesitated.
玛丽似乎要抗议,又犹豫了。
He made as it to resume their embrace, but Polly raised a hand to stop him.
他思从头拥抱他们,但波莉举起一只手回绝了他。
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