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perfect aspect - What does "has had" mean in sentences? - English ...
grammar - Use of "have had" , "had had", "has had" - English …
grammar - had vs. had had - English Language & Usage Stack …
difference - "has" vs "has been" or "have" vs "have been" - English ...
present perfect - When is it necessary to use "have had"? - English ...
Has vs has had? - English Language Learners Stack Exchange
"Have had" versus "had" - English Language Learners Stack …
prepositions - Has vs had (past tense) - English Language Learners ...
"has been" vs "had been" - English Language Learners Stack …
"Had" vs. "had been" - English Language Learners Stack Exchange