YOU SAID:

i having a cup of tea

INTO JAPANESE

私はお茶を飲んでいます

BACK INTO ENGLISH

I'm having a cup of tea.

INTO JAPANESE

お茶を飲んでいたとこだ

BACK INTO ENGLISH

I'm just having a cup of tea.

INTO JAPANESE

お茶を飲んでいたとこだ

BACK INTO ENGLISH

I'm just having a cup of tea.