[ Used to ]
Can you believe Grandpa _______ tennis when he was young?
A. used to play
B. used play
C. used to be playing

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Conjunctions and PrepositionIndependent and Dependent ClausesPresent/Past/Past ParticpleAdjectives and Articlesas...as, comparatives, superlativesPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousPassive Modals, Impersonal PassivePassivisationPassive ModalsGerund or to InfinitiveOther quiz:
Grammar › ViewThe feminine gender of ‘grandfather’ is-
A. aunt
B. mother
C. grandmother
Grammar › View
What is the verb tense? It will save me much work.
A. past
B. present
C. future