ask sb to do sth 之类的可以加sb的词组..sb是不是可以随时去掉?

ask的句型是ask sb to do sth还是ask sb do stask的句型是ask sb to do sth还是ask sb do sth? 七下英语语法像是“enjoy doing sth之类的语法顺便问一下,是“ask sb do sth还是“ask sb to do sth ask sb to do sth ask sb to do sth. ask sb to do sth ask sb do sth 、ask sb doing sth还是ask sb to do sth一定要正确的 ask sb to do sth 之类的可以加sb的词组..sb是不是可以随时去掉? 初一学年英语语法知识如：ask sb to do sth之类的 初二仁爱英语句型如：help sb.(to) do sth, ask sb. to do sth之类的,重点词组也要,初二上学期的,仁爱版 ask sb do/to do sth ask sb sth ask sb to do sth ask sb for sth let sb do sth和ask sb to do sth的区别 make sb do sth,invite sb to do sth,ask sb to do sth,let sb do sth这些短语的意思?区别? ask sb to do sth的意思求问... ask sb.to do sth的中文意思 ask sb do sth有这一说吗?我知道还有 ask sb to do sth 直说do sth ask/tell sb.not to do sth ask sb to do sth 啥意思