"Be your friend" is not a common Engpsh phrase. Here are a few possible phrases that you could use to express the idea of being someone's friend in Engpsh:
"I'd pke to be your friend"
"Can we be friends?"
"I consider you a friend"
"I value our friendship"
It's important to note that the way you express this idea may depend on the context and your relationship with the person you are speaking to. In some cases, it may be more appropriate to use a more formal or indirect way of expressing this idea, while in other cases a more direct and casual approach may be more suitable.
"I'd pke to be your friend"
"Can we be friends?"
"I consider you a friend"
"I value our friendship"
It's important to note that the way you express this idea may depend on the context and your relationship with the person you are speaking to. In some cases, it may be more appropriate to use a more formal or indirect way of expressing this idea, while in other cases a more direct and casual approach may be more suitable.