deny doing sth 与 deny having done sth 有什么区别? 后者表过去,前者呢?

deny doing sth 与 deny having done sth 有什么区别? 后者表过去,前者呢? deny denying 有什么区别 admit doing sth report doing sth appreciate doing sth deny d regret doing与regret having done有什么区别呢? "sth.be worth doing"与"sth.be worthy of being done"有什么区别?为什么一 请问 want sth to be done与want sth doing有什么区别啊? get sth to do &get sth doing &get sth done 有什么区别啊? regret doing sth 和 regret having done的区别 spend~in doing sth.和spend done有什么区别呢? refuse、deny和reject有什么区别? have sth doing与have sth done的区别 have sth done 与have sth doing的区别?