I've had ... 我做过……

　　I have 是现在完成时态，如果说 have had 的话就表明“从之前开始就一直 ”。相反，I've been 是 I'm ... 的现在完成时态，表示“曾是……”

　　例句：

　　I've had some personal problems.

　　我有一些个人问题。

　　It has been a while since you and I played golf.

　　我们俩好久没打高尔夫了。

　　How're you doing? It has been a while.

　　过得怎么样?好久没见了。

　　How long have you been married?

　　你结婚有多久了？

　　对话：

　　A: Is a dog a good animal to keep as a pet?

　　狗适合当宠物养吗？

　　B: Sure. I've had dogs since I was a little kid.

　　嗯，我从很小的时候就开始养狗了。