+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:-ed的动词:watched,studied,detected,brushed,determined,listened,danced,answered,dropped,placed,decided,quested,described,acted,deposited,beloved,denoted,wanted,combed,climbed,demonstrated,deleted,underlined.done,seen,left,felt,taken,bought,would,could,sung,known,cut,put,-ing的动词:speaking,...