1.I (study) …have study………………………………... English for 10 years. 2.Nam (never be) …has ever be…………………………….……….. to New York. 3.She (visit) …………has vusut ……………………….. Ngoc Son temple twice. 4.Trung (go back) ………has go back…………………………. to Vietnam several times. 5.They (be) ……………have not be…………………………… in Sydney since last year. 6.I (live) …………………have live………………………….. here for 12 years. 7.Lan (be) ………………has be…………………………… sick since yesterday. 8. you ever (break) ………broken………… a vase ?