SN4 ""

No	Pattern	Freq
1	[pron] [is] sometimes refer	16
2	[noun] [is] sometimes refer	12
3	[pers pn] [is] sometimes refer	11
4	it [is] sometimes refer	10
5	it [is] sometimes refer	10
6	[noun sg] [is] sometimes refer	10
7	[adj] [is] sometimes refer	6
8	[Wh det] [is] sometimes refer	5
9	this [is] sometimes refer	5
10	this [is] sometimes refer	5
11	[det] [is] sometimes refer	5
12	[is] sometimes refer to	41
13	[is] sometimes refer [prep]	41
14	[is] sometimes refer to	41
15	[is] sometimes refer [prep]	41