i have had an X-rey为什么have后面还要用had呢?i have an X-rey不行吗?

i have had an X-rey为什么have后面还要用had呢?i have an X-rey不行吗? I have had an early night I an have some had 改成现在完成时 Have you ever had an X ray? I have already had lunch.--为什么在already前要加"have",下面不行吗? I ( )an English class yesterday填had、have、has哪一个? Have you ever had an X-ray?When?Why? have you ever had an X -ray?如何翻译? I have had it. I have had enough I have had it I have had lunch为什么用两个have?