请问,“how often are you online”这句话有错吗

请问,“how often are you online”这句话有错吗 How are you feeling now?这句话有错吗,中文意思? Do you know who are you?这句话有错吗? how often he visited his parents 这句话语法有错吗 英语翻译are you stay in holiday?这句话有错吗 how many brothers are you have有错吗? How interesting a story it is!请问这句话有错吗? do you want to know how to keep healthy?这句话有错吗.. how are you recently有错没有呢? why were you do that 和why are you did that ,这两句话有错吗? He is often white shirt 这句话有错吗 why are you so hard to shake hands with me?这句话有错吗?语法有错吗,感觉不大