YOU SAID:
I assumed you would and made arrangements.
INTO JAPANESE
私はあなたがそうするだろうと思い、手配しました。
BACK INTO ENGLISH
I thought you would do so and arranged.
INTO JAPANESE
私はあなたがそうするだろうと考え、手配しました。
BACK INTO ENGLISH
I thought you would do so and arranged.
You've done this before, haven't you.