改为现在完成进行时态:1.they moved here in 1993.
问题描述：
改为现在完成进行时态:1.they moved here in 1993.
2.Bill began to talk on the phone five minutes ago 3.my sister is playing with her dolls
答
They have been here since 1993.
Bill has been talking on the phone for 5minutes already so far.
My sister has been playing with her dolls.