70. It was such an interesting film that we watched it several times.

• The film was so interesting that we watched it several times.  

71. The football match was won by Manchester United.

• Manchester United won the football match.

72. Peter was too ill to get up.

• Peter was so ill that he couldn't get up.

73. Her father asked her if she would go to the cinema with her friends.

• Her father asked her, "Will you go to the cinema with your friends?"

74. Parents ought to send their children to school.

• Parents should send their children to school.

1. The film was so interesting that we watched it several times.
2. Manchester United won the football match.
3. Peter was so ill that he couldn’t get up.
4. Her father asked her, "Will you go to the cinema with your friends?"
5. Parents ought to send their children to school. (This sentence is already correct.)

• Manchester won the football match. (Active voice)
• Peter was so ill that he couldn't get up. (Rephrased to show cause and effect)
• "Will you go to the cinema with your friends?" her father asked her. (Direct speech conversion)
• Children ought to be sent to school by their parents. (Passive voice)