YOU SAID:
i am so tired but i can not sleep
INTO JAPANESE
私はとても疲れていますが、眠れません
BACK INTO ENGLISH
I'm very tired but can't sleep
INTO JAPANESE
とても疲れましたが、眠れません
BACK INTO ENGLISH
I'm very tired but I can't sleep
INTO JAPANESE
とても疲れましたが、眠れません
BACK INTO ENGLISH
I'm very tired but I can't sleep
You've done this before, haven't you.