YOU SAID:

Hello would you like a cup of coffee?

INTO JAPANESE

こんにちは、コーヒーを一杯いかがですか？

BACK INTO ENGLISH

Hello, would you like a cup of coffee?

INTO JAPANESE

こんにちは、コーヒーを一杯飲みませんか？

BACK INTO ENGLISH

Hello, would you like to have a cup of coffee?

INTO JAPANESE

こんにちは、コーヒーを一杯飲みませんか？

BACK INTO ENGLISH

Hello, would you like to have a cup of coffee?