It is used to describe experiences one has had in the past (and that hence influence the experience with which you speak today), changes over time, uncompleted actions, and things that have happened more than once.
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15 There's no special magic with " had had ", they don't really go together as a pair anymore than " had wanted " go together. So don't worry so much about how to use " had had " as a unit of grammar, they will come together naturally when you want to express the verb ' to have ' in the past perfect.
For example, what is the difference between the following two sentences: I had a bad day I had had a bad day
I have come across a few sentences that contain "have had". I would like to know in what kind of situations we should use this combination.
present perfect - When is it necessary to use "have had"? - English ...
The man that willed me all he had had had had my name on his will since I was born. My mind is broke trying to figure it out.
grammaticality - Using the word ‘had’ four times in a row is it ...
The past perfect form of have is had had (had + past participle form of have). The past perfect tense is used when we are talking about the past and want to refer back to an earlier past time.