if.or not的意思whether or not呢?

if.or not的意思 whether or not呢? if.or not的意思whether or not呢? if not和whether or的区别 whether 和if 的区别 .whether ...or not .一句话 whether or的用法whether or not后跟什么时态wonder if后跟什么时态 whether or not可以完全换成if? whether的用法whether...or not 的句型结构和if的句型结构意思是一样的,这里的or not 可以不可以省的呢?如：I don`t know whether he will go. whether if 的区别!除了 whether.or not还有 其他区别吗? whether or not 与whether的区别 They asked ____ or not they could help us .A.if B.whether为什么选B不选A,if不是也有是否的意思吗? whether or not 和whether、、、、、 or not 的区别?怎么用,意思相同吗?比如whether or not i have finished my work 和whether had i finished my work or not He is very young.Iam not sure ____he can finish the work alone or not.A .how B .that C .whether D .if为什么不选D呀！短语有whether……or not,whether or not和if……or 有if……or not。whether或if均可表示“是否”的情况如 帮忙造八年级if和whether or not连接的宾语从句 If it doesn't rain .whether you will think me or not的翻译 she tells me ( )my pen are good or not.A .if B .whether是whether...or not 的固定搭配吗? 为什么if后面不能or not,whether可以 I don't know _________he will come or not tomorrow.________he come,I will tell you.a.if If b.if Whether c.whether If d.whether Whether whether ..or not...