if so和if not的区别这样一个句子：You are not happy.If not,I can make you happy.这里的if not表示if you are not happy,当句子改为 You have some problems and you are not happy.If I can make you happy.这里的if后面应该填so还

if so和if not的区别这样一个句子：You are not happy.If not,I can make you happy.这里的if not表示if you are not happy,当句子改为 You have some problems and you are not happy.If I can make you happy.这里的if后面应该填so还 if such 和 if so 的区别 if any ,if so ,if anything 的区别和用法. IF ANY,IF SO,IF NOT,IF if not和whether or的区别 下面两个条件句的区别if it rains tomorrowi,I will not go out .和if it rained tomorrow ,i would not go out. even if和even so区别 if not a lot,always enough?和if not a lot ,always less?2句有何区别? whether 和if 的区别 .whether ...or not .一句话 if only 和only if 的区别 if not 和unless有什么区别 If not So what 译 请问如何区别if引导的条件句和if引导的虚拟语气 If not us,who?If not now,when?无意中看到这样一句英文If not us,who?If not now,when? so if中的so 和if so中的so有什么区别两者中的SO个代表什么意思呢? if和weather的区别? when 和 if 的区别 whether和if的区别