YOU SAID:

The rain in Spain falls mostly on the plain.

INTO JAPANESE

スペインの雨は大部分が平原に落ちています。

BACK INTO ENGLISH

Most of the rain in Spain has fallen on the plain.

INTO JAPANESE

スペインの雨の大部分は平原に落ちています。

BACK INTO ENGLISH

Most of the rain in Spain has fallen on the plain.