Often You can utilize 'do' or 'does' to emphasize what you happen to be going to say. So, as an example, if you want to declare that you like a T-shirt, you may accentuate the verb 'like' with 'do.'موسوعة الإمام جعفر بن محمد ( الصادق ) عليه السلام - موقع الميزانFor many who are knowledgeable about