unless=if not请举出例子I will go to the party unless he goes to there,too.翻译是“如果他也去那个派对我就不去”还是“如果他不去我也不去”

unless=if not请举出例子I will go to the party unless he goes to there,too.翻译是“如果他也去那个派对我就不去”还是“如果他不去我也不去” unless 与if not帮我分析一下例句：I'll be surprised if he doesn't have an accident.（这句可以用unless来换么?为什么）I'll be back tomorrow unless there's a plane strike.(为句可以用if not来换么?为什么）unless=if not, not if与unless 区别 用unless=if not 造句 2个 用unless=if not 造句 2对 unless从句本身是否定句,不可转换为if...not= =那怎么换- -万一有个句子是I won't see you unless it doesn't rain.换成啥- -不能换成if..not难道换成- -祈使句 I will come----- Idon not change my mind a.if b.if not c.unless d .until为什么 i will not go with her_____she wants me toa.for B.until C.unless D.if if...not和unless怎么转换 unless 和 if not怎么互换? if not 和unless有什么区别 （ ）I failed in English a third time,I had no doubt about my gift for foreign languages.A.By the time B.Until C.After D.Unless正确答案是B,为什么不是D,unless=if not I will come______I don't chang my mindA.if B.if not C.unless D.until ABCD该选那个? I couldn’t have got to the meeting on time ________an earlier train.A.if I had not caught B.unless I had caughtC.if I did not catchD.unless I caught为什么不是B?我有点不太理解. 题号:11 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:5内容:I won’t sing____ she sings frist.选项:a、without b、 not until c、 if not d、 unless----------------------------------------------------- unless until if. notunless until if. not 区别用法 shall i tell your best friends what happened to you yesterday?()they ask you为什么选not unless 为什么not if not except not though都不行 很简单的英语语法if...not和unless之间的句型转换怎么回时事,请讲明白一点