SN4 ""

No	Pattern	Freq
1	[conj] [pron] have been known [prep]	16
2	[noun] [pron] have been known [prep]	7
3	[subord] [pron] have been known [prep]	7
4	[coord] [pron] have been known [prep]	5
5	[pron] have [adv] been known [prep]	21
6	[pron] have [adv] been known [prep]	21
7	[pron] have long been known [prep]	5
8	[pron] have long been known [prep]	5
9	[pron] have been known [verb] [prep]	11
10	[pron] have been known [to-vb] [prep]	11
11	[pron] have been known [prep] [art]	19
12	[pron] have been known [prep] [art]	19
13	[pron] have been known [prep] [adj]	18
14	[pron] have been known [prep] [det]	16
15	[pron] have been known [prep] [noun]	13
16	[pron] have been known [prep] a	10
17	[pron] have been known [prep] the	9
18	[pron] have been known [prep] [noun pl]	9
19	[pron] have been known [prep] some	9
20	[pron] have been known [prep] the	9
21	[pron] have been known [prep] a	9
22	[pron] have been known [prep] some	9
23	[pron] have been known [prep] [pron]	7
24	[pron] have been known [prep] many	6
25	[pron] have been known [prep] many	6
26	[pron] have been known [prep] [adv]	5
27	[pron] have been known [prep] [adv]	5