YOU SAID:

i fell down the stairs because i thought i could fly, so i lost my spoon

INTO JAPANESE

私は飛ぶことができると思ったので階段から落ちた

BACK INTO ENGLISH

I fell down the stairs because I thought I could fly

INTO JAPANESE

私は飛ぶことができると思ったので私は階段から落ちた

BACK INTO ENGLISH

I fell off the stairs because I thought I could fly

INTO JAPANESE

私は飛ぶことができると思ったので私は階段から落ちた

BACK INTO ENGLISH

I fell off the stairs because I thought I could fly