Question

4. The police didn't find the missing girl last weekend.
→ The missing girl ......
last week end.​

Answer 1

The missing girl was not found since last weekend.

• In the above sentence, the sentence is past indefinite and in negative form; thus, the rule for changing it in passive voice is 'object + was/were + not + third form of verb + by + subject'.
• The third form of the verb "find" is "found".
• " was" will be used because the subject is in the singular form.
• In a sentence, if the subject of the sentence is the doer of the action, it is said to be in the active voice.
• In a sentence, if the subject of the sentence is the recipient of the action, it is said to be in the passive voice.

Hence, The missing girl was not found since last weekend.

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