YOU SAID:
Cleaning the sinks on Thursdays
INTO JAPANESE
木曜日はシンクの掃除
BACK INTO ENGLISH
Cleaning the sink on Thursday
INTO JAPANESE
木曜日はシンクの掃除をする
BACK INTO ENGLISH
I clean the sink on Thursday
INTO JAPANESE
私は木曜日にシンクを掃除します
BACK INTO ENGLISH
I clean the sink on Thursday
That didn't even make that much sense in English.