know,add,bring 的过去式和过去分词是什么? know 知道,了解,认识词形变化:动词过去式:knew 过去分词:knownadd 增加词形变化:动词过去式:added 过去分词:addedbring:带来词形变化:动词过去式:brought 过去分词:brought
cook help add look hop work live study的过去式和过去分词是什么? cook过去式cooked 过去分词cooked help过去式helped 过去分词helped add过去式added 过去分词added look过去式looked 过去分词looked hop过去式hopped 过去分词hopped work过去式worked/wrought 过去分词worked/wrou.
add过去式,过去分词,进行时 都是什么 addedaddedadding