序数词前面加不加the?you teach ____(me/my)选哪个?还有to do 和doing作主语时的不同点?

序数词前面加不加the?you teach ____(me/my)选哪个?还有to do 和doing作主语时的不同点? teach sb.to do和teach sb.doing的区别 doing 和 to do做主语时的区别,急用! 谁能给我举一些by means of 做主语的句子,还有to do /doing 作主语的句子,我还想知道当这些作主语时 to do 和doing 都能做主语. 那么如果有选择题应该选哪个呢? teach sb doing sth和teach sb to do sth的区别 begin to do 和 begin doing 到底什么区别?老师还说一会儿人作主语,一会儿物作主语的 不懂哦 to do 和doing做主语的区别 to do和doing 做主语的区别 To do和Doing做主语的区别,什么时候用To do,什么时候用Doing? 根据teach sb sth/teach sb to do sth是不是 teach me swimming和teach by means of,to do/doing 作主语