Question

变成间接引语"+She+said,"I+have+had+dinny？

Answer 1

She said she had had dinny。
主句是过去时，变间接引语按以下规律变化：

一般现在——一般过去
一般过去——过去完成
一般将来——过去将来
现在完成——过去完成
现在进行——过去进行
过去完成——过去完成

Answer 2

She said that she had had dinner.
她说她已经吃过晚饭了。

注意：主句是一般过去时，从句要改成相应的过去时态，还有人称的改变。

Answer 3

She said that I have had dinner.