将这两个句子改写成倒装句，求英语强手帮忙！

说明：原题2本身有误，人称不一致，应改为：lily has bought a car because her house is far from the downtown.
我的答案如下：
1. Not until the professor arrives will we begin the party.
2. So far from the downtown is her house that Lily has bought a car.

1 Not until the professor arrived did we begin the party.
2 So far was her house from the downtown that Lily bought a car.

Not until arrived the professor when the party begin.

Far from the downtown is her house,so Lily bought a car.

The party will be began when the professor arrives by us
A car has been bought by lily because her house is far from the downtown