题目

把下列句子转化为现在完成进行时态
1.I learned the guitar last year.
2.He began to make model planes when he was seven.
3.They moved here in 1993(live)
4.Bill began to talk on the phone five minutes ago.
5.My sister is playing with her dolls.(three hours)

提问时间：2021-02-12

答案

1. I have been learning the guitar since last year. 或
I have been learning the guitar for one year.
2.He has been making model planes since he was seven.
3.They have been living here since 1993.
4.Bill has been talking on the phone since five minutes ago. 或
Bill has been talking on the phone for five minutes .
5.My sister has been playing with her dolls for three hours.