5i've only been here since march.
6 she works as a teacher.
7 she has read oliver twist.
8 water boils at 100°c.
a a permanent state
b an action happening around the time
of speaking
c an action happening now
d a habit or routine
e a fixed future arrangement
f an action which started in the past and
continues to the present
g a general truth or law of nature
h an action that has happened at an
unspecified time
