YOU SAID:
i am so tired, i just finished a 12 hour shift
INTO JAPANESE
私はとても疲れている、私はちょうど12時間のシフトを終えた
BACK INTO ENGLISH
I'm so tired, i just finished the 12 hour shift
INTO JAPANESE
私はとても疲れている、私はちょうど12時間のシフトを終えました
BACK INTO ENGLISH
I'm so tired, i just finished the 12 hour shift
That didn't even make that much sense in English.