一个英语问题teach sb to do sth如果句子是过去时,teach要改成过去式,后面的 动词（do） 要不要也

一个英语问题teach sb to do sth如果句子是过去时,teach要改成过去式,后面的 动词（do） 要不要也 teach sb sth.teach sb to do teach sb.to do sth. teach sb do sth 还是teach sb to do sth 根据teach sb sth/teach sb to do sth是不是 teach me swimming和teach teach sth. 还是 teach sb.to do sth.抑或teach sb. do sth. 用teach sb to do sth和teach sb sth造两个句子 teach的用法teach sb 是加 doing 还是to do sth? 英语语法：teach sb to do sth 这里面的to do 算是动词不定式吗? 在英语的过去式句子中,没做特殊说明（比如did 后面的动词要用原型,want sb to do sth 这里的do 就要 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