1
.
Discourse
markers
are
used
to
____________________
____________________
.
2
.
They
have
____________________
main
purposes
:
to
express
a
____________________
,
____________________
____________________
or
____________________
____________________
ideas
3
.
"
However
"
is
used
to
:
____________________
4
.
"
Since
"
is
used
for
:
____________________
5
.
"
as
"
is
used
for
:
____________________
6
.
"
therefore
"
is
used
for
:
____________________
7
.
"
neverthelless
"
is
used
to
:
____________________
8
.
"
yet
"
is
used
to
:
____________________
