Past perfect exercise - negatives

had + not / n't past participle (3rd form)

Examples:

I had eaten oranges. I had not eaten oranges. (long form)
He had lived in Birmingham. He hadn't lived in Birmingham. (short form)

English Past perfect exercises

The past perfect refers to a time earlier than before now. So the past perfect is used to make clear that one action happened before another in the past. 

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