YOU SAID:
I just did many exams this week
INTO JAPANESE
私は今週たくさんの試験をしました
BACK INTO ENGLISH
I have done a lot of exams this week.
INTO JAPANESE
私は今週たくさんの試験をしました。
BACK INTO ENGLISH
I have done a lot of exams this week.
You've done this before, haven't you.