YOU SAID:

she says she was on the board and knows everything

INTO JAPANESE

彼女はボードにいたと言い、すべてを知っています

BACK INTO ENGLISH

Say she was on board and know everything

INTO JAPANESE

彼女が乗っていて、すべてを知っているとしましょう

BACK INTO ENGLISH

Let's say she's on board and knows everything

INTO JAPANESE

彼女は船上にいて、すべてを知っているとしましょう

BACK INTO ENGLISH

Let's say she's on board and knows everything