if 和 whether用法

2.在介词后面。例如:
I'm thinking of whether we should go fishing.我在想我们是否该去钓鱼。
I'm not interested in whether she'll come or not.她来不来,我不感兴趣。
[1]interested单词记忆法◆记忆方法一:联想方式:interest;edinterest+ed◆记忆方法二:联想方式:interest;ed记忆方法:interest+ed
3.直接与or not连用时。例如:
I can't say whether or no the will come on time.他能否准时来,我说不准。
I don't know whether or not they will come to help us.我不知道他们是否会来帮助我们。
[2]they单词记忆法◆记忆方法一:联想方式:the-这;y-树丫记忆方法:这个特大的树丫挡住了他们
4.在动词discuss后面的宾语从句中。例如:
[3]宾语,动词,相关知识点动词express后接什么样的宾语[1]express单词记忆法◆记忆方法一:联想方式:ex(表示“特别、向外”前缀)+press(新闻)特别的新闻表达意见。◆记忆方法二:联想方式:ex(表示“特别、向外”前缀)+press(新闻)记忆方法:特别的新闻表达意见。◆记忆方法三:词根词缀记忆法:express v 表达;特快(ex把[思想]挤出来→表达),Press= press,
We discussed whether we had a sports meeting next week.我们讨论下周我们是否举行运动会。
5.宾语从句提前时只能用whether。例如:
[4]宾语,从句,相关知识点可用作except宾语的6种不同从句[1]except单词记忆法◆记忆方法一:联想方式:ex(一些);ce(车);pt(普通)一些车很普通,被排除。◆记忆方法二:谐音:一颗涩葡萄 除了一颗涩葡萄之外都是甜的。◆记忆方法三:分析:ex --- 一休 ce——“厕”的拼音 pt——“葡萄”的拼音首字母; 记忆方法:除了一休之外,没有人喜欢在厕所里吃葡萄。
Whether this is true or not,I can't say.这是不是真的,我说不准。
6.引导位于句首的主语从句或表语从句用 whether。例如:
[5]表语,主语,相关知识点of有时用来表示后面的人物正好是前面的表语的逻辑主语。如:It’s very nice/kind of you to do so.(你这么做真是太好了)
Whether he is right or wrong is a question.他是对还是错仍是个问题。
[6]question单词记忆法◆记忆方法一:分析:qu—“去”的拼音;es—“饿死”的拼音首字母; tion—“神”的谐音; 记忆方法:去恶死神是个问题
The question was whether he went there last night.问题是他昨晚去没去那里。
那么,在什么情况下用if不用whether呢?
[老师]在下面三种情况下用if不用whether:
1.引导条件状语从句,if意为“如果”时,不可用 whether代替。例如:
We will go swimming if it is fine tomorrow.如果明天天气好,我们将去游泳。
We'll go hiking ifit doesn't rain tomorrow.如果明天不下雨,我们将去徒步旅行。
2.引导否定概念的宾语从句时一般用if。例如:
[7]宾语从句,宾语,相关知识点宾语从句与形式宾语it当宾语从句后跟有宾语补足语时,通常在宾语从句处使用形式宾语it,而将真正的宾语从句移至句末:I think it best that you should stay here. 我认为你最好住这儿。[1]think,that,相关知识点陈述部分为I think that...如何构成反意疑问句I don’t think he likes it,does h
whether相关单词意思与记忆法:
whether单词意思解释释义:
conj. 是否, 不论pron. 两个中的哪一个相关词组: whether...or... whether or no
if相关单词意思与记忆法:
if单词意思解释释义:
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相关词组: If weather permits... if only if so as if if at all if it had not been for if I were you
whether单词相关例句:The secret of being miserable is to have leisure to bother about whether you are happy or not .——George Bernard Shaw, British dramatist痛苦的秘密在于有闲功夫担心自己是否幸福。英国剧作家肖伯纳。G。
The secret of being miserable is to have leisure to bother about whether you are happy or not . (George Bernard Shaw , British dramatist )——痛苦的秘密在于有闲功夫担心自己是否幸福。 (英国剧作家 肖伯纳 . G .)
A thief is a thief, whether he steals a diamond or a cucumber. 偷多偷少都是贼。
The people may safely be trusted to hear everything true and false, and to form a correct judgment,Were it fall to me to decide whether we should have a government without newspapers of newspapers without a government, I should not hesitate a moment to prefer the latter.——Thomas Jefferson, American president 人民是完全可以信赖的,应该让他们听到一切真实和虚伪的东西,然后作出正确的判断。倘使让我来决定,我们应该是有一个政府而不要报纸呢,还是应该有报纸而不要政府,我会毫不犹豫选择后者。美国总统 杰斐逊.T.
The moon is a moon whether it shines or not. 或名或暗,月亮总是月亮。
The moon is a moon still, whether it shine or not. 月明月暗,终不失其为月亮。
Every form of addiction is bad, no matter whether the narcotic be alcohol or morphine or idealism. ( C. G. Jung )—— 任何形式的瘾都是不好的,不管上瘾的是酒精、吗啡还是唯心主义。(荣格)
I sometimes wonder whether the greater rule of all is --- to know how to please.Moliere, J.B. French writer——有时候, 我真的纳闷,莫非一切行为规范中最重要的一条就是学会怎样取悦于人吗法国作家 莫里哀.J.B.
We still don't know whether if it's a boy.
我们还不知道宝宝是不是男孩。
Amy asks whether his friend will be at home.
爱米问他的朋友是否会在家。
if单词相关例句:Freedom is the freedom to say that two plus two makes four. If that is granted, all else follows.——Ceorge Eric Blair Orwell.British novelist 自由是指人们有说“2+2=4”的自由,有了这一保证,其他一切便会随之而来。英国小说家奥韦尔 .G.E.B.
No one can degrade us except ourselves; that if we are worthy, no influence can defeat us.——B.T.Washington, American educator除了我们自己以外,没有人能贬低我们。如果我们坚强,就没有什么不良影响能够打败我们。美国教育家 华盛顿 B T
If it is not right, do not do it; if it is not true, do not say it. (If it is not broken, do not fix it.) 不正确的事不做,不真实的话不说。
I hate to see things done by halves. -- If it be right, do it boldly, --if it be wrong, leave it undone. 事情不要做一半;对的,就做下去,不对,就丢开。
Industry if fortune's right hand, and frugality her left. 勤勉是幸福的右手,节俭是幸福的左手。
Speak clearly if you speak at all, Carve every word before you let it fall. 要说就索性说得一清二楚,说出前每句话要字斟句酌。
If Enterprise is afoot, wealth accumulates whatever may be happening to Thrift; and if Enterprise is asleep, wealth decays, whatever Thrift may be doing.John Maynard keynes British economist如果企业在进展,不论节俭不节俭,财富也在衰落。国经济学家 凯恩斯 .J.M.
The laws of Nature, that is to say the laws of God, plainly made every human being a law unto himself, we must steadfastly refuse to obey those laws, and we must as steadfastly stand by the conventions which ignore them , since the statutes furnish us peace, fairly good government and stability, and therefore are better for us than the laws of God, which would soon plunge us into confusion and disorder and anarchy if we should adopt them.Mark Twain, American writer自然法即神灵法,只是用来约束每一个个体的法律,我们必须坚定地拒绝遵守。我们应该坚定地遵守忽视神灵法的规章制度,因为规章制度赋予我们和平、比较好的政府和稳定,因而对我们来说,规章制度比神灵法更好,因为如果我们采用神灵法的话,他会将我们陷入迷惑、无序和无政府状态。美国作家 马克·吐温A
If you are too fortunate, you will not know yourself; if you are too unfortunate, nobody will know you. 运气太好,得意忘形;运气太坏,无人理会。
Man loves company even if it is only that of a small burning candle. 人喜欢伴侣,哪怕只是一根点着的小蜡烛也好.
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