Unit 5 Nelson Mandela-a modern hero《Section Two Language Points》(人教版必修1)ppt
Unit 5 Nelson Mandela-a modern hero《Section Two Language Points》(人教版必修1)ppt第3页

2. He taught us during the lunch breaks and the evening when we should have been asleep. 在午餐的休息时间和晚上我们本应该 睡觉的时候他教授我们。 1) should do & should have done He should have come earlier. You should come earlier tomorrow.