YOU SAID:
I lost an apple in the desert.
INTO JAPANESE
私は砂漠でリンゴを失った。
BACK INTO ENGLISH
I have lost an apple in the desert.
INTO JAPANESE
私は砂漠でリンゴを失っています。
BACK INTO ENGLISH
I am losing an apple in the desert.
INTO JAPANESE
私は砂漠でリンゴを失っています。
BACK INTO ENGLISH
I am losing an apple in the desert.
You've done this before, haven't you.