Question

the money was lost write in passive voice

Answer 1

The money had been lost by them/us/me.

The sentence more or less is in passive voice.

We can change the past tense of the verb into past participle and provide an object to the sentence.

The active voice will be ‘I lost my money’ or ‘Money is lost’.

Thus, the sentence would be ‘The money was lost by me.’

Answer 2

I lost the money. or someone lost the money.