to talk about the present moment
I am looking at that CD right now.
to suggest that an action is temporary
for an action around the time of speaking, which has begun but is not finished
for changing or developing situations
That group is becoming more well known
with always when something unexpected happens several times
I am always meeting my neighbour John near the station.
The are eating lunch at the moment
to say when things happen if they take place regularly
They eat lunch at two o'clock
to talk about permanent situations
The moon goes round the earth
to talk about habits and how often they happen
You buy new clothes every Saturday
to describe the plots of books and films
The story begins and ends in Spain. The year is 1937.
