Question

she knew two or three letters of the alphabet voice change

Answer 1

Two or three letters of the alphabet were known by her

Answer 2

HEY....^_^

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Here's ur ans. ⬇

PASSIVE VOICE of given statement is ⤵

↪ Two or three letters of the alphabets were known by her .


In passive voice we always use third form of verb .

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Hope it helps ✌