be a friend意思是成為朋友；做朋友。例句：

1、can we be a friend？我們可以成為朋友嗎？

2、If you go out to be a friend, you ’ ll find them everywhere.如果你把自己當成別人的朋友，那朋友隨處可得。

3、Hello, Linda.Can be a friend with you, I very want to study English.你好，琳達，能和你做個朋友嗎？我很想學習英語。

If Linda is your good friend ,what can you do for her? what will you usually do when you are together? do you know her hobbies? 可以圍繞這些方面展開。