Entity Framework DB First: Convert Associative Table to Navigation Properties -

i using entity framework database first, replicate following behavior code first paradigm:

in entity framework code first, can along these lines:

public class thing {     public int id { get; set; }     icollection<stuff> stuffs { get; set; } }  public class stuff {     public int id { get; set; }     icollection<thing> things { get; set; } } 

and database generate , associative table represent many many relationship.

i'm using database first legacy database. pulled in entities , included associative table representing many-to-many relationship between 2 of our tables.

since associative table included entity, navigation properties such:

public class thing {     public int id { get; set; }     public icollection<thingstuff> thingstuffs { get; set; } }  public class thingstuff {     public int thingid { get; set; }     public int stuffid { get; set; }     icollection<thing> things { get; set; }     icollection<stuff> stuffs { get; set; } }  public class stuff {     public int id { get; set; }     public icollection<thingstuff> thingstuffs { get; set; } } 

so navigate, have to:

var stuff = thing.thingstuffs.select(ts => ts.stuff); 

instead of:

var stuff = thing.stuffs; 

so question is:

is there way drop entity representing association (thingstuff) , tell entityframework existing table create many-to-many navigation properties?

wouldn't better if map composite keys, stated in fluent api documentation? http://msdn.microsoft.com/en-us/data/jj591617.aspx