[ Modal Verb in Passive Voice ]
Choose the correct sentence of passive voice.
A. She has a good voice. Her interest in singing must be encouraged.
B. She has a good voice. Her interest in singing must encouraged.
C. She has a good voice. Her interest in singing must being encouraged.
D. She has a good voice. Her interest in singing must encourage.

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ClauseGrammar - Nouns, Verbs, and AdjectivesPronouns, Sentence Structure, and ApostrophesContrast Linking WordsPassive Voice and Relative ClausesArticle the or zero article (-)Modals and ResponsibilitiesPresent Simple & Present ContinuousPast Simple & Past PerfectGrammar Error Correction (Simple Present Tense)Other quiz:
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A. and
B. until
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I am drinking from a ________ cup.
A. small English tea
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Kate ________ vegetables every day.
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