YOU SAID:

The busses leave sharply at eight so you need to be there before that

INTO JAPANESE

バスは8時に急に出発するので、その前にそこにいる必要があります

BACK INTO ENGLISH

The bus departs suddenly at 8am, so you need to be there before that

INTO JAPANESE

バスは突然午前8時に出発するので、その前にそこにいなければなりません

BACK INTO ENGLISH

The bus suddenly departs at 8am so you have to be there before

INTO JAPANESE

バスは突然午前8時に出発するので、前にそこにいなければなりません

BACK INTO ENGLISH

The bus suddenly departs at 8am so you have to be there before