instruct teach与train区别

Do you teach students?Wonder what instruct course. training与train 的区别 in a train 与on the train的区别 Buying train tickets与Buy train tickets有何区别? Do you teach students?Wonder what instruct course.的中文意思是什么? instruct和instruction在用法上的区别! teach sb. sth. 与teach sb.to do sth.的区别 题目Buying train tickets与Buy train tickets有何区别? by air 与by train 有什么区别? 英语虚拟语气的用法但谓语动词为instruct 等时,从句的虚拟语气的动词形式和主句的事态无关么?如：Our teach to teach 与 teaches 英语翻译teach train the character of mind 是这个