• There isn’t a cloud in the sky, but it was cloudy in the morning.
• Mrs. Clay usually finishes her work at half past three, but she finished it later yesterday afternoon.
• Every day I help my Mom about the house, but last week I was very busy with my exam. So I didnt help her much.
• Tom isn’t playing tennis tomorrow afternoon, he didnt play tennis yesterday. • We generally have lunch at 12.30, but yesterday we had lunch later.
• Now my brother smokes a lot, but he didnt smoke before.
• The Frasers live in four-room apartment, but last year they lived in a small house in the country.
• How did you cut your finger?
• Jack tried to remember what he had done last April.
• Looking through the paper, the teacher found several mistakes.
• He met Mary and fell in love with her at first sight. When you wrote to your parents last time?
• Don’t worry about your letter. I sent it the day before yesterday.
• When I was a child, I always was late for school.
• My husband worked in the bank for three years since 1990 to 1993.