单词：if
音标：[if] ；
柯林斯词典等级：5 级；
牛津三千核心词汇；
conj. 如果, 是否, 无论何时, 假设, 即使
n. 条件
[计] DOS批处理命令:根据所测试的条件决定是否执行另一条命令
n. 条件
[计] DOS批处理命令:根据所测试的条件决定是否执行另一条命令
conj. In case that; granting, allowing, or supposing that; --
introducing a condition or supposition.
conj. Whether; -- in dependent questions.
introducing a condition or supposition.
conj. Whether; -- in dependent questions.
考试类型：[中考/高考]
词性分布：
if的用法和样例：
例句
用作连词(conj.)
- Do you know if he's married?他结婚没结婚，你知道吗？
- I can give you a round neckline if you prefer.如果您喜欢我可以给您开个圆领口。
- If he wins and it's a big if he'll be the first Englishman to win for twenty years.假使他赢了－－是否能赢还是一大疑问－－他将是二十年来第一个获胜的英国人。
- She glares at me if I go near her desk.我一走近她的办公桌，她就瞪我。
用作名词(n.)
- Why not,if the conditions permit.如果条件允许，没什么不可以的。
- If these terms are not acceptable to you, we may suggest others.如果你对这些条件不合意，我们可提出别的条件。
- If she needs salvation, she will posit a savior.如果她需要救助，她就会设想一个救助者。
- Imagine if everyone did just a few of these atonce?Here is my list.设想一下每个人立刻做了其中的一些事情会如何。
常见句型
用作连词(conj.)
- If you demand his presence,warn him in advance.如果你要他来,就事先通知他。
- If you will be so kind as to help us, we can finish by six.如果你愿意帮助我们,到六点时咱们就能完成了。
- If you were a bird,you could fly.如果你是鸟,你就能飞行了。
- I should have talked to mother if I had thought of it.如果当初我想到了,我就和妈妈说了。
- If I were to ask him for a loan,would he agree ?如果我向他借钱的话,他能同意吗?
- If it should rain tomorrow,the rally would be postponed.要是明天下雨,群众大会就会延期举行。
- If I were an architect,I'd redesign this house.如果我是建筑师,我会重新设计这房子。
- If it were up there, it would be easier to find.如果它在那儿,就会更容易被找到。
- If had anything happened, he would have let me know.如果当初发生了什么事,他会让我知道的。
- If necessary, give me a ring.如果需要,给我打个电话。
- He will come, if invited.如果受到邀请,他会来的。
- If only somebody had told us, we could have warned you.如果有人告诉了我们,我们就能事先提醒你。
- We will go even if it rains.即使下雨,我们也要去。
- If he is poor, at least he is honest.他虽然穷,但至少是诚实的。
- I don't know if he was there.我不知道他当初是否在那里。
- I wonder if it is the right size.我不知道尺寸是否合适。
- I will see if he wants to talk to you.我去了解一下他是否想和你谈话。
- If I haven't repeated the mistake!我真不该重犯这样的错误。
- And if he didn't try to knock me down!令人惊奇的是他竟没把我打倒。
- If ever eyes could speak, hers did very plainly.如果眼睛能说话,她的眼睛可说得清楚极了。
- Peter is a lummox, if ever I saw one.如果彼得不是笨蛋,那么在世界上就没有笨蛋了。
- I shall call you again next week when or if I have a chance.如果可能,下周我会再给你打电话。
- I shall take you round America next year when, or if I get extra vacation.如果我有多余的假期,明年我会带你去美国。
- What if she found out that you've broken her necklace?要是她发现你弄坏了她的项链,怎么办呢?
- What if he was faithless to his friends and to his wife?要是他对妻子和朋友不忠怎么办?
- If only I know!假如我知道那就好了。
- If only he could arrive in time.要是他能及时赶来就好了。
常用短语
用作连词(conj.)
if anything- 更可能的是,总之 express a tentative opinion or after a negative statement to say that the opposite is true
- 更可能的是,总之 otherwise
词汇搭配
- if anything如果有什么的话...
- if only要是 ... 多好...
- if not不然的话
- as if犹如，好像，好似，仿...
- if any若有的话
- only if 只有当(只是在 ....
- if and when如果
- if possible如有可能
- if necessary必要时
- if so如果是这样的话...
- as if by magic不可思议地
- what if如果 ... 将会怎...
- if you please随你便(如果你高兴的...
- if you like如果你愿意
- nothing if not尤其
- if need be如果需要的话...
- not know if one is standing on one's head or one's heels晕头转向,昏头昏脑...
- look as if one came out of a bandbox装束得十分整洁...
- if.=informati...
- cap帽子
经典引文
I'll be hanged if I ever give you anything.
出自：J. CarlyleI'm blessed if I know.
出自：F. W. CroftsIf the fish smells clean..chances are it is fresh.
出自：C. ClaiborneI wasn't to worry if I found his tablets in the bathroom.
出自：O. Norton
【近义词】