请帮我Chinese grammar

大家好

我有一个问题。what is the difference between the 4 in term of meaning.
聊天
聊聊天
聊一会儿天
聊了聊天

谢谢

聊天 = 聊聊天 = To chat

聊一會兒天 = Chatting for a while

聊了聊天（不常用，用起來很怪）= chatted

请帮我Chinese grammar

大家好

我有一个问题。What is the difference between among these 4 in terms of in meaning?
聊天 chat
聊聊天 chatting
聊一会儿天 chatted a little
聊了聊天 finished chattering a chat.

谢谢

请帮我Chinese grammar

大家好

我有一个问题。what is the difference between the 4 in term of meaning.
聊天
聊聊天
聊一会儿天
聊了聊天

谢谢

举例说明：

我喜欢聊天。

我们来聊聊天吧！

昨天我和她聊了一会儿天。（我想和你聊一会儿天。）

我们聊了聊（天），我发现她和我有一些共同的兴趣。

请帮我Chinese grammar

大家好

我有一个问题。what is the difference between the 4 in term of meaning.
聊天
聊聊天
聊一会儿天
聊了聊天

谢谢

The first and the second have little difference. The third one underlines a short period of time, however it always fails coz you two have many to talk with. And the last one is usually used when you tell another person that you two had a chat before.  

Ps:Hope you can understand my poor English 

请帮我Chinese grammar

大家好

我有一个问题。what is the difference between the 4 in term of meaning.
聊天
聊聊天
聊一会儿天
聊了聊天

谢谢

聊天means chat 聊聊天 means have a chat 聊一会儿天means have a chat for a while 聊了聊天means ..... idont know how to translate...sry . i dont know what is chinese grammer sry...