YOU SAID:
Dolphins swam alongside the boat while we took photos.
INTO JAPANESE
写真を撮っている間、イルカがボートの横を泳いでいました。
BACK INTO ENGLISH
Dolphins were swimming beside the boat while I was taking pictures.
INTO JAPANESE
写真を撮っていると、ボートの横でイルカが泳いでいました。
BACK INTO ENGLISH
When I was taking pictures, dolphins were swimming next to the boat.
INTO JAPANESE
写真を撮っていると、ボートの横でイルカが泳いでいました。
BACK INTO ENGLISH
When I was taking pictures, dolphins were swimming next to the boat.
Well done, yes, well done!