Double Words: Had Had--Past Perfect Tense

The video tutorial explains the grammatical construction 'had had', a form of the past perfect tense. It describes how perfect verb tense indicates completed actions and how 'had had' is formed using the past tense of 'have' and its past participle. Examples illustrate its use, and variations like adverb separation and contractions are discussed. The tutorial notes that 'had had' is uncommon and often semantically similar to simple past tense when context is clear.

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