YOU SAID:

I'm not sure if I can make it to the meeting.

INTO JAPANESE

会議に参加できるかどうかはわかりません。

BACK INTO ENGLISH

I do not know if I can attend the meeting.

INTO JAPANESE

会議に出席できるかどうかわかりません。

BACK INTO ENGLISH

I don't know if I can attend the meeting.

INTO JAPANESE

会議に出席できるかどうかわかりません。

BACK INTO ENGLISH

I don't know if I can attend the meeting.