having done their lessons for one and a half hours,the children were promised to go out这是改错题,答案把PROMISED改成allowed为什么呢?
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not having done 还是having not done?
never having done还是having never done
/ their homework,the children went for a walk.a:having done ; b;after they have done 为什么不能用B
having done的用法
doing having done being done having been done 造句!
deny doing和deny having done有何区别?细一点He denied knowing anything about their plans.= He denied having known anything about their plans.
having done和having been done怎么用 如题
not having done 和 having not done 的区别
having been done和having done的区别rt
having done的句子是什么时态的,having done 咋用~
having done可否作宾语,如try having done sth
用having been done 造句
having been done的用法
having been done是什么时态?
having done 与doing 区别
用after having done造句
being done,have been done和having done怎么分辨
having done 、done、 being done、 having being done 的区别与详细用法