YOU SAID:
I am sick, I have to go to the doctor
INTO JAPANESE
私はうんざり、私は医者に行かなければなりません
BACK INTO ENGLISH
I tired, I must go to the doctor
INTO JAPANESE
私は疲れて、私は医者に行く必要があります
BACK INTO ENGLISH
I'm tired, I need to go to the doctor
INTO JAPANESE
私疲れている、私は医者に行く必要があります
BACK INTO ENGLISH
I tired, I need to go to the doctor
INTO JAPANESE
疲れた私は、私は医者に行く必要があります
BACK INTO ENGLISH
I, I have to go to the doctor you're tired
INTO JAPANESE
私は、私はあなたが疲れている医者に行かなければなりません
BACK INTO ENGLISH
I, I do not have to go to the doctor you are tired
INTO JAPANESE
私は、私はあなたが疲れている医者に行く必要はありません
BACK INTO ENGLISH
I, I do not need to go to the doctor you are tired
INTO JAPANESE
私は、私はあなたが疲れている医者に行く必要はありません
BACK INTO ENGLISH
I, I do not need to go to the doctor you are tired
You've done this before, haven't you.