YOU SAID:

I'm not sure if I can make it to the meeting tonight but I will be there at 10 00 I have to go to the store and get some rest

INTO JAPANESE

今夜の会議に参加できるかどうかはわかりませんが、10：00にそこにいるので、店に行って休憩しなければなりません

BACK INTO ENGLISH

I don't know if I can join tonight's meeting, but I'm there at 10:00 so I have to go to the store and take a break

INTO JAPANESE

今夜の会議に参加できるかどうかはわかりませんが、私は10:00にそこにいるので、店に行って休憩しなければなりません

BACK INTO ENGLISH

I don't know if I can join tonight's meeting, but I'm there at 10:00 so I have to go to the store and take a break