Basically you would create your form in the way you wanted it, (call it BaseForm) and then when you add a new form, navigate to Inherited form, and select baseform.
Base form...
public partial class BaseForm : Form
{
protected BaseForm()
{
InitializeComponent();
}
}
And now the Single Entry From that inherits it.
public partial class SingleEntry : BaseForm
{
protected SingleEntry()
{
InitializeComponent();
}
}