I'd like to know(if) she will go there(if) she goes there,tell me as soon as possible.为什么用if

can you tell me if...Do you know if ...I'd like to know if...三者如何区别can you tell me if...Do you know if ...I'd like to know if...这三者如何区别,如何使用? I'd like to know your name. 英语填词问题I'd like to know ___ i can cash a cheque here.填IF 还是whether ,为什么? signs 全句为I'd like to know if your company signs/seals samples confidentiality & contractor agreements? I'd like to know(if) she will go there(if) she goes there,tell me as soon as possible.为什么用if I'd like to know if everybody is hereC:Everyone except Tom isD:We're wondering if he's comingB:Tom came up I want to know if you'd like to meet us sometime?-----I'd______to 填空!急还有_______any child,john loved toys. How long can I be cured .If it has deadline,Iˊd like to know how long it is.Please dont let meHow long can I be cured .If it has deadline,Iˊd like to know how long it is.Please dont let me remember,please dont let my heart broken again and again.If I'd like _something about you.A .to know B.knowing C.know D.knows I would like to know a foreign friend,if you are,please leave a contact please? I would really like to meet you.If you are interested...let me know I want to know if he can come here on time和I'd like to know what you want best分别是什么从句?哪个是先行词,哪个是引导词急求啊！！ I'd like to know that what the weather is like tomorrow成分分析,谓语是什么?like to know应该看成整体吗?to know做什么成分, 这个句子的语法正确吗?i'd like to know what sport do you like i wanted to know if JENNY like playing basketball.中,like要加s吗?为什么前面可是有 wanted i'd like to know where to find this booki'd like to know___ ___ ___find this book —I’d like to know something about your life in Paris.—________________A You can tell meB I wonder if you canC I’ll tell you D I wonder if you could—What do you want to do?—________________.A No,I don’t want to do anything.B I want to wa I`D like to