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Originally Posted by kindaichi  Hi.I am having problem with have had/had had.I bought a lot of books already,but still,all the explanation in the books doesn;t seem to satisfy me and i still don't get the idea.Why some sentence have "have had/had had"?Can someone kindly provide me a detail explanation with examples?Thank you |
The problem is that the verb "have" can be a main verb and an auxiliary verb. We form the present perfect tense with "have" and the past perfect with "had". This is true even when "have" is the main verb.
I have had breakfast. (present perfect)
John had had breakfast before I had mine. (past perfect)