Chuyển đổi câu: I have worked here for ten year. It started raining two days ago

chuyển đổi câu
1. I have worked here for ten year
-> I began..............................................
2.It started raining two days ago
->It has...................................................
3.I haven't seen that man here before
->It is the first time..............................................
4.I haven't heard him since August
->The last time................................................
5. I haven't seen him since I left school
->I last saw.....................................................
6. I haven't seen my father for one one month
-> It is one month ......................................