Why I can not do it有语法错误吗why后面可加it等宾语吗

why not i can do it Why I can not do it有语法错误吗why后面可加it等宾语吗 why not to do it now.和can i to help you.中分别哪里有语病. Why i can not say it. Why did you do like this?Sorry.I can not stand it, why not do it Not only can I do it ,but also I can do best.哪里有倒装 Why do I love you so I can not 本人因英语水平有限解释一下谢谢!I do not know how recent is it?! I want to escape, but do not know at what to avoid! Why do I say? Why do I always like this? Who can tell me? Why do I care about to the end can only helplessly watched it why it can not play? I do not know why,I can not forget you,I still like you! I can not do it,nobody,can.是什麽意思 I think you can do it,it's not d___ are you sure you have to?it is been very late.i dont know_____.i can do it if not now.选项：where, why, when, how. i do not ______(think) i can mend it Why I do not know what i do not know is that why...是不是应该改为is it that why啊 why I CAN FIND IT?