YOU SAID:

I am very bored and don't know what to do

INTO JAPANESE

私はとても退屈で何をしたらいいのか分かりません

BACK INTO ENGLISH

I'm so bored I don't know what to do

INTO JAPANESE

私は何をすべきかわからないのでとても退屈です

BACK INTO ENGLISH

I'm so bored because I don't know what to do

INTO JAPANESE

どうすればいいかわからないので退屈です

BACK INTO ENGLISH

I'm bored because I don't know what to do

INTO JAPANESE

どうしたらいいかわからないので退屈

BACK INTO ENGLISH

I'm bored because I don't know what to do