Tôi đã rất bận rộn từ tối hôm qua đến giờ, tôi giúp chồng tôi và con trai tôi chuẩn bị bài thi của họ. Hiện giờ họ đều ở trường học, chồng tôi thi học kỳ của bậc Thạc sĩ, con trai tôi thi học kỳ của cấp Trung học.
I have been very busy from yesterday evening until now, I help my husband and my son prepare for their exam. Now they are all in school, my husband master's exams, my son's high school semester exam.
I've been very busy since last night until now, I help my husband and my son prepare their exams. Now they are in school, my husband's semester exam grade Master, my son's exam grade school semester.
I was busy from last night to now, I help my husband and my son prepare their exam. They are all in school now, my husband's time master exams, my son admitted to high school.