[ Tenses ]
Recognize the past perfect continuous tense in the sentence: They had been playing football for two hours.
A. They have been playing football for two hours.
B. They had been playing football for two hours.
C. They were playing football for two hours.
D. They had played football for two hours.

Random Topics:
Simple Present & Present ProgressiveConjunctive AdverbsGerunds and ModalsAdverbs, Modals, Preposition of timeProgressive Verb TensesBecause / soReflexive Pronouns & Modal VerbsGrammar Error Correction (Simple Present Tense)Verbs + Gerund or InfinitiveConjunctions, Prepositions and InterjectionsOther quiz:
Grammar › ViewWhen we were children we ……………………….. our own toys.
A. were making
B. made
C. had made
Grammar › View
Grandma purchased drumsticks, and dad bought a music book because Sally loves playing the drums.
A. simple
B. compound
C. complex
D. compound-complex
Present Simple › View“Tom doesn’t _________ Jerrry.”
A. like
B. likees
C. likess
D. likes
Subject Verb Agreement › View
Some of the books on the shelf _____ dusty.
A. is
B. are
