|1) permanent states||I live in Dublin
John drives a BMW.
|2) something that is generally true||Water boils at 100 degrees Celsius.
The Earth goes around the Sun.
|3) daily routines or repeated actions||My wife usually watches the TV in the evening.
Jim often meets with his friends after school.
|4) future scheduled events||The meeting starts at 8 PM.
When does the plane land?
|1) things happening at the moment of speaking||She is eating a dinner.
The telephone is ringing!
|2) temporary situations happening around now||I am studying in Cork this year.
We are temporarily living with his aunt Sophia.
|3) future arrangements||We are driving to London next month.
She isn't working next week.
|4) changing situations||The climate is changing rapidly.
The weather's getting colder.