what are the errors in these sentences

[MAHESHKANOJIYA]

he will go and see for his self what has happened.
she was telling that she had to return Raja's book.
when bala returns home at night he always found that someone has parked a car outside his gate.
the father both carried his son and daughter from the burning house.
she went to the well for washing her dirty clothes.
the foul smell of the gutter made me ill.
kartik asked me whether i had a care and would i pick him up.
as a few students had made it to the class, the teacher postponed it for another day.

[kristinita]

he will go and see for his self what has happened.
By himself
when bala returns home at night he always found that someone has parked a car outside his gate.

Bala always finds someone to have parked a car outside his gate when he returns home

The father both carried his son and daughter from the burning house
The father carried both his son and daughter from the burning house.
she went to the well for washing her dirty clothes.Ok
the foul smell of the gutter made me ill.Ok
she was telling that she had to return Raja's book.Ok