The train leaves at 12 o'clock.
I usually eat potatoes for dinner.
Expression of irritation.
Verb + to be + ING =
Fixed timetables
I am washing the dishes.
If something is going on right now.
Verb + x =
I ride my bike to school every day.
Facts
She is reading a book.
He is always screaming! I don't like it.
Habits
