1. Do you have a cheaper dress than this?
Is this your cheapest dress ?......
2.It isn't important for you to finish the work today
You don't have..to finish the work today.
3.there are over eight hundred stamps in Lan's collection.
lan's collection has over eight hundred stamps.
4. I enjoy playing football very much
i am interesting in playing football very much.
5.i have more books than you do.
you don't have more books than me.
6.how terrible the weather is !
what 's the terrible weather!