A. Model: I was tired (to work). — I was tired after I had worked the whole day.
1. They started discussing their plan after they had come home.
2. He helped his mother about the house after he had finished eating.
3. He invited his friends to the party after he had won the prize.
4. Her coat was wet after she had walked in the rain.
5. He understood the meaning of the telegram after he had read it.
6. She tore up the letter after she had read it.
7. They settled the quarrel after they had talked about it.
8. She was very upset after she had failed the test.
B. Model: I was tired (to work). —I was tired because I had worked the whole day.
1. She could speak Spanish fluently because she had lived in Spain.
2. He rang me up because I had asked him.
3. The cake was too sweet because they had put too much sugar.
4. She was crying because she had lost her purse.
5. They didn't meet because she had left the town.
6. I didn't want to go to the cinema because I ahd seen the film.
7. I couldn't get into my flat because I had lost the key.
8. I didn't know their address because they had moved.