Examples of word types for each Number value :

The word types shown below are ordered by token frequency in the treebank.

Lemma	Morphosyntactic Attributes	Number
Lemma	Morphosyntactic Attributes	NA
that		that
if		if
as		as
because		because
for		for
of		of
before		before
while		while
in		in
after		after
since		since
like		like
with		with
so		so
to		to
by		by
on		on
about		about
than		than
whether		whether
although		although
though		though
from		from
until		until
unless		unless
once		once
without		without
at		at
into		into
cause		cause