转化为现在完成进行时态句子谢谢了,
问题描述：
转化为现在完成进行时态句子谢谢了,
1、He began to make model planes when he was seven.2、Bill began to talk on the phone five minutes ago.3、My sister is playing with her dolls.转化为现在完成进行时态句子
答
1. He has made model planes since he was seven. 2. Bill has talked on the phone since five minutes ago.或者Bill has talked on the phone for five minutes. 3.My sister has been playing with her dolls. ...