句型转换。

1. There were many students outside.（改为否定句）

    There _______  _______ students outside.

2. The weather was fine.（对画线部分提问）

    _______  _______ the weather?

3. There are many tall buildings in this city.（用in the past改写句子）

    There _______ many tall buildings in this city in the past.

4. This passage comes from a magazine.（对画线部分提问） 

    _______  _______ this passage _______ from?

5. how old, in 2000, was, your grandfather（连词成句）

    ____________________________________.