forget sake, We can't teach you hao2Model.
You bought milkshape yet? If you take a look at the interface, And just try something like..
1. Klik da box tool
2. Draw in 2d view
3. ...
4. Profit!
You can also use the vertex tool, Then select 3 and press F. Ta-daa! An face!
We only can teach you how to use milkshape.