1. The stolen diamond necklace is insured for five million dollars.

Question

2. I have insured the stolen diamond necklace for five million dollars.

3. I insured the stolen diamond necklace for five million dollars.

4. I insure the stolen diamond necklace for five million dollars.

(What is the active sentence of #1 among the rest?)

Answer 1

Either 2 or 3 works as the active form of 1 -- 3 is probably best.

4 is incorrect for this purpose.