to do和doing用在开头,有何区别?

to do和doing用在开头,有何区别? 请问To do和doing开头有何区别? doing 和to do在开头有什么区别? 句子to do开头和doing开头有什么区别 regret to do和regret doing有何区别 Regret to do和regret doing有何区别 allow 后接 to do 和 doing 有何区别? to do和doing做开头区别 perfer doing to doing 和 perfer to do rather than do 有何区别 doing 和to do在开头有什么区别?就是doing 和to do 在开头各有什么含义,不要说是在居中或词组,单单是开头,比如：Learning English is very hard.然后开头是to to do 和 DOING 有什么区别 like to do like doing有何区别 1、continue to do与continue doing有何区别? begin to do and begin doing 有何区别呢? enjoy to do sth 和 enjoy doing sth 有何区别? permit和allow谁能接sb.doing sth.如果都能接,有何区别?sb.to do sth. risk sth to do和risk sth doing sth有何区别? decide to do sth.和decide doing sth.有何区别