[ Verb Tenses ]
Identify the sentence that uses the past perfect continuous tense correctly.
A. She had been studying for three hours when I arrived.
B. She studied for three hours yesterday.

Random Topics:
Present Perfect: for/sinceRelative ClauseArticlesTenses - Irregular VerbsAction, Helping & Linking VerbsVocabulary & GrammarTypes of PhrasesSubject Verb Agreement; Indefinite PronounsThe Past SimpleDirect-Indirect SpeechOther quiz:
Simple Present Tense › ViewMy mother and father……breakfast at 7.00 everyday
A. Eat
B. Eats
Grammar › View
They haven’t finish their homework, have they?
A. True
B. False