I an have some had 改成现在完成时

I an have some had 改成现在完成时 I have already had a crash 这句是现在完成时吗? I have some pencils改成一般疑问句 I have had an early night Can I have some water?some为什么不改成any 英语翻译现在完成时:I have made love with her by now.过去完成时:I had made 八下英语现在完成时I bought this book two months ago.(同义句)I have (had) 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 already had some plans 改为否定句 i`ve already had some,这个句子为什么有两个HAVE?一个have一个had. 现在完成时的have什么时候用had? I have some nice flowers.改成一般疑问句