I
____________________
to
clean
my
room
,
because
yesterday
my
brother
____________________
to
clean
it
but
he
didn´t
do
it
,
and
my
mother
says
that
I
____________________
do
it
.
I
say
that
I
____________________
not
do
it
because
my
brother
____________________
clean
our
room
,
too
.
It
is
our
obligation
not
just
mine
.
He
____________________
to
do
it
last
week
and
I
this
week
.
