There are a few different ways you can say "good morning" in Engpsh to a friend:

"Good morning!" This is a simple and straightforward greeting that you can use with friends.

"Hey, good morning!" This is a more casual way to greet a friend in the morning.

"Morning, [friend's name]!" This is a friendly way to greet a friend and also includes their name.

"Top of the morning to you, [friend's name]!" This is a more playful and pghthearted way to greet a friend in the morning. It's not a very common phrase, but it can be used to add a bit of fun to your greeting.

Regardless of which greeting you choose, it's important to remember to use a friendly and upbeat tone when saying "good morning" to a friend.