1. The phone stopped ringing the moment I got down stairs

→  No sooner  had I got downstairs than the phone stopped ringing

2.He is determined to carry on working when he is 65

→  He has no.intention to carry on working when he is 65

3. He was very sorry that he didn't see Audrey on her trip to London

→ He greatly.regretted not seeing Andrey on her trip to London

4. She agreed to go out to dinner with him because she assumed he was not married

→  Had she known that he was married, she would not have agreed to go out to dinner with him

5. Everyone was surprised that the singer had very little money when he died

→  The singer had very little money when he died that made everyone surprised

1. The phone stopped ringing the moment I got downstairs.
   → No sooner had I got downstairs than the phone stopped ringing.

2. He is determined to carry on working when he is 65.
   → He has no intention of stopping working when he is 65.

3. He was very sorry that he didn’t see Audrey on her trip to London.
   → He greatly regretted not seeing Audrey on her trip to London.

4. She agreed to go out to dinner with him because she assumed he was not married.
   → Had she not assumed he was not married, she would not have agreed to go out to dinner with him.

5. Everyone was surprised that the singer had very little money when he died.
   → The singer had very little money when he died, which surprised everyone.