One
way
that
someone
is
able
to
do
something
is
using
the
____________________
____________________
can
and
could
.
We
use
the
modal
verb
can
,
to
talk
about
____________________
abilities
.
We
use
the
modal
verb
could
to
talk
about
____________________
abilities
.
For
example
:
Nowadays
I
____________________
create
a
digital
presentation
.
In
the
past
I
____________________
sleep
all
the
day
.
Humans
____________________
fly
.
When
I
was
a
baby
I
____________________
speak
.
