帮忙找一下所有要双写加ing 的动名词...

问题描述:

帮忙找一下所有要双写加ing 的动名词...
大概初一这个水平...
能多点最好...
如果好追加50分...

begin-beginning stop-stopping swim-swimming shop-shoppingsinging running falling giving helping coming getting cooking putting shopping swimming running getting chatting letting stopping beginning hit...