YOU SAID:

I need to go to the airport to get cheese

INTO JAPANESE

チーズを買いに空港に行く必要がある

BACK INTO ENGLISH

I need to go to the airport to buy cheese

INTO JAPANESE

空港までチーズを買いに行かなきゃ

BACK INTO ENGLISH

I have to go to the airport to buy some cheese

INTO JAPANESE

チーズを買いに空港に行かなければならない

BACK INTO ENGLISH

I have to go to the airport to buy cheese

INTO JAPANESE

私はチーズを買いに空港に行かなければなりません

BACK INTO ENGLISH

i have to go to the airport to buy cheese

INTO JAPANESE

私はチーズを買いに空港に行かなければなりません

BACK INTO ENGLISH

i have to go to the airport to buy cheese