1.   Grading students for their individual exams and individual term papers May reward a certain kind of midnight oil burning.

2.   Ingrid and other loyal friends spent long hours burning the midnight oil with her when it came to the final typing.

3.   Lawmakers were burning the midnight oil last night, as the debate continued.

4.   Having had only two weeks in which to complete the work, Mr Chettle burned more than the midnight oil to finish it in time.

5.   In the Telfer days, those kind of conversations would involve much midnight oil.

6.   And so my roommates and I burned the midnight oil over endless cups of coffee inventing scenarios and diplomatic solutions.

7.   And virologists around the world have been burning the midnight oil for several weeks, studying the strain and attempting to make a vaccine for it.

8.   At investment banks, analysts tend to burn the midnight oil in the home office instead.

9.   Based on last year, Brown will have to burn a lot of midnight oil to bridge that gap.

10.   Bosses are still burning the midnight oil.