YOU SAID:
Yuna, you've been rather quiet this evening.
INTO JAPANESE
ユウナ、今晩はかなり静かにしてたね。
BACK INTO ENGLISH
Yuuna, you've been pretty quiet tonight.
INTO JAPANESE
ユウナ今夜はかなり静かだったね
BACK INTO ENGLISH
Youna, you've been pretty quiet tonight.
INTO JAPANESE
今夜は静かだったな
BACK INTO ENGLISH
You were quiet tonight.
INTO JAPANESE
今夜は静かだった
BACK INTO ENGLISH
It was quiet tonight.
INTO JAPANESE
今夜は静かだった。
BACK INTO ENGLISH
It was quiet tonight.
That didn't even make that much sense in English.