1- The last time I saw her was in 2005.
I haven't seen her since 2005.
2- He is writing a book on biology.
A book on biology is being written by him.
3-A new bridge is going to be built next year.
They are going to build a new bridge next year
4-He said,"I can't find my umbrella".
He said that she couldn’t find her umbrella
5-I asked him if he liked coffee.
I said to him :"Do you like coffee ?"