YOU SAID:

I was bored so I came here

INTO JAPANESE

退屈だったので、私はここに来た

BACK INTO ENGLISH

I was boring so I came here

INTO JAPANESE

私は退屈だったのでここに来た

BACK INTO ENGLISH

I came here because I was bored

INTO JAPANESE

私は退屈したのでここに来た

BACK INTO ENGLISH

I came here because I got bored.

INTO JAPANESE

私は退屈したのでここに来ました。

BACK INTO ENGLISH

I came here because I got bored.