1.He has just had breakfast.
2.It has been 2 years since they bought a new house./They have got a new house for 2 years.
3.Mother hasn't swept the floor yet?
4.Has Nigel sent this letter?
5.The train has been away for 12 minutes./It is 12 minutes since the train left.
1.My sister will be taken care of by Grandma.
2.The work had been finished by Jim.
3.A letter was being written by her this time yesterday.
4.A bookcase was made by him for his daughter.
5.The baby is being looked after by the nurse.