如果你想表达 "我有许多朋友"，你可以这样说：

"I have many friends."

你也可以用 "a lot of friends" 来表达：

"I have a lot of friends."

你还可以用 "a lot of" 来修饰其他名词，例如：

"I have a lot of hobbies."

"She has a lot of books."

"They have a lot of ideas for their business."