Mrs. Brown is an English teacher. She is at home now. She is making a cake. She is not teaching English now. But she teaches English.
(We use the simple present tense to talk about things in general. Something happens all the time or repeatedly or true in general.)
Water boils at 100 degrees centigrade.
Do you speak English?
I work in a restaurant.
How many cigarettes do you smoke a day?
The earth goes round the sun.
I get up early every day.
She doesn’t drink coke.
In winter Mr. Brown never plays tennis.
NOTE:
Where do you come from? = Where are you from?
He comes from Italy.
What do you do? = What is your job?
(When you make a suggestion)
You look tired. Why don’t you go to bed early?
(With a future meaning, timetables,programmes etc.)
The bus leaves Izmir at11.00 and arrives in Ankara at 19.00
The basketball match starts at 9 o’clock.