Think of reasons for those situations. Complete the sentences. Use the Past Perfect or the Past Perfect Continuous.

3. She had a terrible headache because....
4. The children came back home very tired because.....
5. She was late because....

1.She had a terrible headache because she cried all night long.2.The children came back home very tired because they walked a lot.3 She was late because she had been waiting for her friend for an hour.