I do not know how to use commas.这个句子是什么结构?how to use commas是宾语补足语吗?还是?

I do not know how to do I do not know how to I'm sorry I do not know how to love I do not know how to face yourself and you! 谁知道 I hate you do not know how to love I really do not know A what to do B how to do c how can i do说明理由 I do not know how to speak well ,now,also do not think so much, I do not do very ___ in Maths.I want to do better but do not know how. Do not know how to love I DO not know ( ) it today A What to do B how to do C to do what without you I really do not know how to do hope you can understand翻译下? want you happy good!But I do not know how to do? 如何回答I do not know how to collect things.不是，应该是对这一句提问I do not know how to collect things. I do not know how I can get to the station的同义句 can I use english,because I do not know how to types in Chinese. I do not know how to express my feelings后面跟“for you 还是”to you? 这句话说明意思 I could not get the present situation,I do not know how to do Sure.I know how to do that.