1.
and
also... toobesides furthermoremoreover
In addition
or
nor(or) elseeither ... orneither ... noralternatively
as well

If/whetherunlessso/as long asseeing that
on condition thatgiven that
provided /
providing that

butnot only ... but also
yetstilleven soall the same
howevernevertheless
while
whereas
on the other handon the contrary
in contrast
in spite of
despite
so thatso as (not)toin order thatin order (not) to

becauseas
sincefor
because ofthanks to
due toowing toon account of
sosuch a ... thatas a result
therefore/thus
consequently
accordingly
when(ever)whilenow (that)
meanwhile
beforeuntil
aftersince
soonthenafter(wards)
onceas soon as
yet
thougheven thougheven if
although