What have you done this morning ? I have seen a little accident this morning. I saw a little accident this morning. Ace.Ku The Present Perfect Tense （ 现在完成时 ） 【最新】八年级英语 现在完成时讲 解与练习课件 外研版 课件Fill in the form: 1. I _ (know)Li Lei for three years 2. I _ (live) here since 1980 3. -_ you _ (finish) your work yet？ -Yes，I _I _ just _ (finish) it 4. -_ you ever_ (be) to a chicken farm？ -No，I _ never _ (be) to a chicken farm 5.She _ (be) at this school for over fourteen years have known have lived Have fi
