Use of Right verb: I found the wristwatch that I ________ lost the day before yesterday.

have

had

had been

was

"I found the wristwatch that I had lost the day before yesterday."

"مجھے کلائی کی وہ گھڑی مل گئی جو میں نے پرسوں کھو دی تھی۔"

This sentence goes toward using the past perfect tense.

In the past perfect tense, we use "had" + the past participle form of the verb.

In this sentence, the past participle form of "lose" is "lost."