写出它们的过去式：study、visit、stay、have、pratice.

写出它们的过去式：study、visit、stay、have、pratice. 写出下列这些动词的过去式.visit play study worry ride feed go stop do go have take eat buy 写出下列词的三单、现在分词和过去式.visit read fiy study get open swim beat study visit finish watch play look的过去式 enter visit watch 等东东的过去分词、、、enter visit watch want invite（顺便告诉我这个词是什么意思） dream send enjoy study stop它们的过去式和过去分词都分别是什么?过去式和过去分词都是什么意思? watch wash clean play visit cok return learn climb miss stay match study fly see singdo go swim buy take leave get have写出他们的过去式 写出下面的现在分词和过去式`求!keep skate jump make study visit begin see get say read travel 帮忙啊``` practice、visit、stay、watch、（写出下列动词的过去式） 写出它的过去式.stay,visit,break,rain,set, visit的过去式 visit的过去式是什么? visit的过去式是什么? visit的过去式 visit的过去式是什么? visit的过去式是什么? visit friends的过去式 look play clean go do visit stay study dance live stop shop 这些词的过去式. do study go clean stay visit have dont isnt 的过去式怎么写