Answers

2014-06-04T12:42:55+05:30
You can't. 'Tastes' in that sentence is a copula - it links a subject to its complement. Copular verbs (or any intransitive verb) may never be made into a passive form
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Sweet is the taste of Sugar!!!
cannot be converted to a passive sentence ..........
cannot be coverted already converted
2014-06-04T12:45:50+05:30
It cannot  be converted to a passive sentence ..........
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