You said:
I once ate a cheeseburger
into Japanese
私は一度、チーズバーガーを食べた
Back into English
I ate a cheeseburger once and
into Japanese
一度チーズバーガーを食べたと
Back into English
And once ate a cheeseburger
into Japanese
一度チーズバーガーを食べたと
Back into English
And once ate a cheeseburger