If you’re having trouble with Blender in general, there’s a couple of courses that will get you comfortable in Blender in no time: You can watch them in this order if you want:
Basics: https://cgcookie.com/courses/blender-3-basics-intro-to-blender
Fundamentals: https://cgcookie.com/courses/fundamentals-of-3d-mesh-modeling-in-blender
Bootcamp: https://cgcookie.com/courses/blender-mesh-modeling-bootcamp
