[ Present Perfect Negative and Interrogative ]
Tom / sing / karaoke.
A. Have Tom ever sung karaoke?
B. Has Tom ever sung karaoke?
C. Has Tom ever sang karaoke?

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Synonyms and VocabularyGrammar (Adverbs, Prepositions, Prepositional Phrases)Argumentative VocabularyPresent Tenses and ConnectorsGrammar on ConditionalsModals and AdvicePresent, Past, and Future TimePronounsPassive Voice in Past and Present TenseInfinitive and GerundOther quiz:
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