why cant i place any objects on tables or worktops any more i cant even put a sink in my kitchen counter ?

Hi hayleyskitt,

Please give us a little more information on your issue. You can find an excellent guide how to improve your post here:

http://answers.ea.com/t5/The-Sims-3/READ-FIRST-Help-us-Helpers-to-Help-you/m-p/264418