严重的英语问题（句型转换）

1、She must be running to catch the bus.

She must be running ___ ___ ___catch the bus.

2、My father used to be fat.

In the ___ my father ___fat.

3、My parents are very worried if I come home late.

My parents are ___ worried if I come ___late.

4、There might be something visiting the homes in our neighborhood.

There might be something ___ ___ the homes in our neiguborhood.

in order to

past was

much home

that visits

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