英语语法：teach sb to do sth 这里面的to do 算是动词不定式吗?因为最近在学动词不定式,但是又想起之前老师说过的很多动词结构,例如：help sb do sth有点晕= = 另外,哪些动词后面可以加不定式呢?

teach sb sth.teach sb to do teach sb.to do sth. teach sb do sth 还是teach sb to do sth teach sb.to do和teach sb.doing的区别 teach sb do还是to do? teach sb a lesson和teach sb sth和teach sb to do 有何区别 teach sth. 还是 teach sb.to do sth.抑或teach sb. do sth. teach sb doing还是to do 根据teach sb sth/teach sb to do sth是不是 teach me swimming和teach me to swim都可以? teach sth.还是 teach to do sth.抑或teach do sth.,to可以不加吗即TEACH SB.DO STH. teach sb doing sth和teach sb to do sth有什么区别 用teach sb to do sth和teach sb sth造两个句子 teach sb. sth. 与teach sb.to do sth.的区别 teach sb doing sth和teach sb to do sth的区别 Teach sth.to sb. teach sb.什么 sth.to do 还是doing 还是原teach sb.什么 sth.to do 还是doing 还是原型? 英语语法：it take sb. sometime (to do sth.?/do sth?) 英语语法中,need sb sth是need sb to do 还是need sb do /doing sth?