用动词ing形式改写下列句子

1.Having cleaned the classroom,the students went to the playground to watch the football match.
2.Our town has dozens of factories including several saw mills.
3.Writing a letter to a friend of hers ,she wants to invites him to attend the meeting.
4.Having been flooded for several weeks ,the city needed food.
5.Working late into the night,the secretary prepared a long speech for the president.
6.My being ill worried my parents.
再问： 句型转换 1.As soon as the thief saw the policeman ,he ran away quickly. ____ _______the policeman ,the thief ran away quickly. 2..It's getting late.We should go back to the hotel soon. It's getting late.We should _____ _____ _____to the hotel soon. 3.I was just begining to talk about this question.Just then you interrupted me. I was ___ to talk about this question___then you interrupted me
再答： 1.As soon as the thief saw the policeman ,he ran away quickly. __On__ __seeing_____the policeman ,the thief ran away quickly. 2..It's getting late.We should go back to the hotel soon. It's getting late.We should __be going back___to the hotel soon. 3.I was just begining to talk about this question.Just then you interrupted me. I was _about__ to talk about this question and then you interrupted me 如果原题准确无误，我就只能这么回答了，但是尽管可能有别的答案，我的回答应该是对的。