YOU SAID:
I ate a donut this morning
INTO JAPANESE
今朝のドーナツが食べた
BACK INTO ENGLISH
I ate this morning Donuts
INTO JAPANESE
今朝のドーナツを食べました
BACK INTO ENGLISH
I had Donuts this morning
INTO JAPANESE
今朝のドーナツがあった
BACK INTO ENGLISH
Was this morning Donuts
INTO JAPANESE
今朝ドーナツをいた
BACK INTO ENGLISH
This morning was the donut
INTO JAPANESE
今朝は、ドーナツ
BACK INTO ENGLISH
This morning's Donuts
INTO JAPANESE
今朝のドーナツ
BACK INTO ENGLISH
This morning Donuts
INTO JAPANESE
今朝ドーナツ
BACK INTO ENGLISH
This morning's Donuts
INTO JAPANESE
今朝のドーナツ
BACK INTO ENGLISH
This morning Donuts
INTO JAPANESE
今朝ドーナツ
it is unlikely that this phrase will ever reach equilibrium