Did your father watch TV after dinner last night?

On Sunday morning, Tom visited his good friend and they had a good day. /

Tom visited his good friend on Sunday morning. They played all day.

There is nothing interesting in today's newspaper. /

There is nothing interesting in today's newspaper.

When and how did you go to the library? Have you found any good books? /

When and how did you go to the library? Have you found any good books?

John didn't eat anything in the morning because he didn't feel hungry. But he is hungry now.

John didn't eat anything this morning because he didn't feel hungry, but now he is hungry.