His friends often help him learn chess.和 His friends often help him to learn chess.哪个对?加to和 不加to有什么区别?是加to对还是不加to对?
问题描述：
His friends often help him learn chess.和 His friends often help him to learn chess.哪个对?
加to和 不加to有什么区别?是加to对还是不加to对?
答
都对，help后面可以用动词不定式，这个动词不定式可以用to也可以不用to，希望我能帮助你解疑释惑。
答
help sb. do sth. = help sb. (to) do sth.
to 可省略。 通常都是使用 help sb. do sth.
意思一样无差异。
答
help sb.do sth.= help sb.(to) do sth.
to 可省略.通常都是使用 help sb.do sth.
我是第一个哦,祝你身体健康