SN4 ""

No	Pattern	Freq
1	[conj] it [be] referred	18
2	[that] it [be] referred	8
3	that it [be] referred	8
4	that it [be] referred	8
5	[adv] it [be] referred	7
6	[subord] it [be] referred	6
7	it [modal v] [be] referred	14
8	it [vb mod] [be] referred	14
9	it have [be] referred	7
10	it [verb] [be] referred	7
11	it [vb -s] [be] referred	6
12	it has [be] referred	5
13	it [be] [adv] referred	47
14	it [be] [adv] referred	47
15	it [be] sometimes referred	11
16	it [be] sometimes referred	11
17	it [be] often referred	11
18	it [be] often referred	11
19	it [be] usually referred	5
20	it [be] usually referred	5
21	it [be] referred [prep]	43
22	it [be] referred [prep]	43
23	it [be] referred to	42
24	it [be] referred to	42