Make sure you both already like each other and have spent time together
Choose a private, comfortable moment
Be direct and sincere
Say how you feel clearly
Ask her respectfully if she wants to be your girlfriend
Give her space to answer honestly
Accept her answer gracefully
Keep it simple and confident
Example: “I really like you, and I’d love to be your boyfriend. Would you want to be my girlfriend?”
Example: “I’ve really enjoyed getting to know you, and I want to ask if you’d like to be my girlfriend”