+ed的动词20个,+ing的动词20个,+s(或es)的动词20个,并找出原型,名词复 ...答:原型,名词复数的不规则变化:zoos,photos,handkerchiefs,gulfs,sheep,deer,children(child),women(woman),men(man),tooth(teeth),foot(feet).These above are my accumulated experiece,you need to get some regular points by careful observation.Only can we can hold the good habbit,then we can...