介词+宾格+动词ing还是动词?如:After them doing sth 还是After them do sth

介词+宾格+动词ing还是动词?如:After them doing sth 还是After them do sth after do sth.还是after doing sth. after doing sth 还是 after doing sth? stop……,后跟doing sth还是to do sth,to doing sth 或动词原形 difficult是加动词ing?还是加to do sth. after raining还是after rain?介词后不是接动词的ing形式吗? 求endorse 的用法,跟动词的话是to do sth 还是doing sth? look after是动词还是介词 34 到底是need sth done 还是 after doing plan+to do sth.还是doing sth.还是 do sth. use sth doing sth还是use sth to do sth after+doing+sth对吗?