1) My father is not at home. He is at work .He will be back after nine o'clock.
2) My father is not here at home. I think he is at his work. He said that he will be back
by 9 p.m. <means before 9 o'clock>
Ex: He said he will be back
after 9 p.m. <different meaning than 2)
3) My
father's at work and he will come home after 9 o'clock.
<spoken form
father's =
father is >
4) My father went for
a job just
a few minutes ago and he said he wil be back after
a few hours.
