英语中怎样判断一个词的词性 比如通过前缀 或者后缀 什么 的答:动词后加ing.是动名词,也叫现在分词.比如说swimming,dancing,laughing,singing.动词后加ed.是过去分词.比如说started,looked,smiled.词的后缀加ion,sion,tion.是名词.比如direction,fashion,passion.词的后缀加ful,ish,y.是形容词.比如careful,chidish,lucky.词的后缀加ly,lly.是副词.比如carefully,silly...