allow doing sth 没有allow sb doing

allow sb from sth./doing sth 例句 (1)用allow sb to do sth造句 （2）用allow doing sth 造句 allow sb.to do sth.和allow doing sth.有什么不同?应该什么时候用哪个? 一个英语的问题.就是allow to do .allow doing .allow sb to do sth.sb be allow doing与allow sb to do sth 有什么区别? allow to do sth ,allow doing sth 有什么区别 allow sb.to do和 allow sb.doing 的区别 英语翻译allow sb.to do sth.ask sb.to do sth.be busy doing sth.be allow doing可以用动名词的复合结构吗?譬如allow sb('s) doing sth ,还是说只能用allo permit和allow谁能接sb.doing sth.如果都能接,有何区别?sb.to do sth. allow的用法allow to do sth 和allow doing sth 有什么区别?谢谢了 be allowed to do sth等于allow doing sth吗?