She isn't here yet. I am afraid she _____ her way.
I had a question when I studied with a grammar textbook.
Q: She isn't here yet. I am afraid she _____ her way.
There are four choices .
1. may be lost
2. may be having lost
3. may have lost
4. may have been lost

I was of two minds whether "3." or "4." And then I chose "4." but the answer is "3."
When I think of "lost" as adjective, "4." is also correct.
I couldn't comprehend grammatical differences between both.
Why "3." is correct and "4." is wrong?
Could you explain it to me grammatically?

thank you:)

Question

She isn't here yet. I am afraid she _____ her way.
I had a question when I studied with a grammar textbook.
Q: She isn't here yet. I am afraid she _____ her way.
There are four choices .
1. may be lost
2. may be having lost
3. may have lost
4. may have been lost

I was of two minds whether "3." or "4." And then I chose "4." but the answer is "3."
When I think of "lost" as adjective,  "4." is also correct.
I couldn't comprehend grammatical differences between both.
Why "3." is correct and "4." is wrong?
Could you explain it to me grammatically?

thank you:)

Answer

...may have lost [something]
[something] may have been lost

The same as with:

...may have found [something]
[something] may have been found

...may have eaten [something]
[something] may have been eaten

...may have taken [something]
[something] may have been taken

Answer

"She isn't here yet. I am afraid she may have lost her way."  'Her way' is the thing that is lost.

"She isn't here yet. I am afraid she may have been lost." 'Her way' is now redundant. The thing that is lost is the woman, because the sentence uses passive voice. Even then, the sentence sounds funny: as if someone else was in charge of her, and lost her.

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