I'm going to by train.这个句子对吗

I'm going to by train.这个句子对吗 I'm going to visit Beijing by train.对visit Beijing by train提 i`m going to beijing by train this weekend同义句转换 Sometimes I go to school by bike.这个句子对吗? I'm going by train (做否定回答） _____________________________?I am going to yunnan by train. going to school by bike is good exercise 这个句子对吗? "I'm going to wui by train this summer hotidoy（一般疑问句和肯定句怎么写? No,I'm going( )train. lily is going to Beijing （by train) by the time i was seven,i had gone to school 这个句子对吗 （）I went to by train on my holiday A ：went to B：by train c：m