初三英语句型转换!1.We should water the young trees every two days.(改

初三英语句型转换!
1.We should water the young trees every two days.(改为被动语态）
The young trees ___ ___ ___ every two days by us.
2.They made this kid stop crying in the end.(改为被动语态）
This kid ___ ___ ___ ___ ___in the end by them.
3.I have read this novel before.(改为被动语态）
This novel ___ ___ ___ by me before.
4.I saw her dance with her sister in the room.(改为被动语态）
She ___ __ ___ ___ with her sister in the room.
5.She began to live in this city ten years ago.(改为现在完成时）
She ___ ___ in this city ___ ten years___.
6.People believe that UFO does exist.(用it开头改写句子）