YOU SAID:
Please i cannot go to the airport because it is approximately Monday mourning.
INTO JAPANESE
月曜日の喪に服しているので空港に行けません。
BACK INTO ENGLISH
I can't go to the airport because I'm in mourning on Monday.
INTO JAPANESE
月曜日に喪に服しているので空港に行けません。
BACK INTO ENGLISH
I can't go to the airport because I'm in mourning on Monday.
You've done this before, haven't you.