He doesn't have what to do.
RIGHT
Don't have coffee in the mug.
WRONG - There isn't coffee in the mug.
Have anyone at home?
WRONG - Is there anyone at home?
The city there are 3 hospitals.
WRONG - The city has 3 hospitals.
There isn't a computer on the table.
RIGHT
Have a woman calling you.
WRONG - There's a woman calling you.
The party has 4 people.
RIGHT
Have a girl walking on the street.
WRONG - There's a girl walking on the street.
How many people does have in the room?
WRONG - How many people are there in the room?
The corridor has lots of doors.
RIGHT
How many people does Brazil have?
RIGHT
There are chairs around the table.
RIGHT
Don't have what to eat.
WRONG - There isn't what to eat.