1.in spite of having to work the next day, Tom watched films on DVD till midnight.
->Even though Tom has to work the next day, he watched films on DVD till midnight
2.the ending of the films was quite disappointing.
->we found the ending of the film disappointing 
3.although she performed well, she didn't receive good comments from critics.
->despite her good performance, she didn't receive good comments from critics
4.we were so interested in the comedy that we laughed from beginning to end.
->the comedy is so interesting that we laughed from beginning to end