How long ___ (you/dig) before you found the buried treasure? ... | GrammarQuiz.net

Topics: Past Perfect Simple & Continuous

How long ___ (you/dig) before you found the buried treasure? (Past Perfect Continuous)

A. you had dig

B. you had been digging

C. had you been digging

Select your answer:

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1st and 2nd Conditionals Conditional Clause Modal Auxiliary Verbs Comparative - Superlative Determiners & Quantifiers Complex Prepositions Future or Past Phrasal Verbs and Verb Forms Present Simple/Affirmative Present Perfect Continuous

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