在英语中，送礼物给朋友可以用不同的表达方式。以下是一些常见的表达：

1. "I'm giving a gift to my friend."
2. "I'm buying a present for my friend."
3. "I'm getting a gift for my friend."
4. "I'm sending a present to my friend."
5. "I'm treating my friend to a gift."

如果你想要更具体地描述送礼物的行为，可以考虑以下句子：

1. "I'm wrapping up a gift for my friend's birthday."
2. "I'm selecting a thoughtful gift for my friend."
3. "I'm looking for a unique gift for my friend."
4. "I'm planning to surprise my friend with a gift."
5. "I'm putting together a gift basket for my friend."

这些表达方式可以帮助你更自然地描述送礼物给朋友的行为。