句型：1.I know how you feel 2.Elephants can walk for a long time and never get lost提问：第一句为什么要加个how?第二句为什么要用for而不用其它的?

英语句型转换（2条连词成句）1.not,me,know,snacks,good,I,for,that,are,sweet2.different,well,know,how,tastes,you,the,do How do I know you? I think I know how you feel. 句型转换 I know John on the Internet(how) I know how you feel because I have a similar problem请帮忙翻译整句话,这里的how起到什么作用?属于什么句型结构? I know how you miss your mother Know how deep I love you do you know how much i love I want to know how you SO you know how much i need wish I know how to quit you. You never know how worried I am i wanted you know just how down You never know how I am i know how much you like football do you know how old am i i don't know how to do it句型转换i don't know[ ][ ][ ]do. how can I let you know how much I love