read、take、get、sing、open、clean、sit、write、listen现在分词形式(ing)的规律

问题描述:

read、take、get、sing、open、clean、sit、write、listen现在分词形式(ing)的规律
A:________________,列如:play--playing
B:________________,列如:write--writing
C:________________,列如:get--getting

A:__直接加ing______,列如:play--playing,read-reading sing-singing,open-opening,clean-cleaning,listen-listening B:_以元音不发音的e结尾的,去e加ing______,列如:write--writing,take-takingC:__重读闭音节...