SN4 ""

No	Pattern	Freq
1	[noun] [conj] it is [adv] known	21
2	[noun sg] [conj] it is [adv] known	13
3	[conj] it is [adv] [adv] known	14
4	[conj] it is [adv] [adv] known	7
5	[conj] it is [not/n't] [adv] known	7
6	[conj] it is not [adv] known	7
7	[conj] it is not [adv] known	6
8	[conj] it is [adv] [adv] known	14
9	[conj] it is [adv] [adv] known	14
10	[conj] it is [adv] yet known	5
11	[conj] it is [adv] yet known	5
12	[conj] it is [adv] known [conj]	52
13	[conj] it is [adv] known that	29
14	[conj] it is [adv] known that	29
15	[conj] it is [adv] known [that]	29
16	[conj] it is [adv] known [subord]	22
17	[conj] it is [adv] known [prep]	17
18	[conj] it is [adv] known [prep]	17
19	[conj] it is [adv] known whether	14
20	[conj] it is [adv] known whether	14
21	[conj] it is [adv] known as	9
22	[conj] it is [adv] known as	9
23	[conj] it is [adv] known [adv]	9
24	[conj] it is [adv] known how	7
25	[conj] it is [adv] known [Wh adv]	7
26	[conj] it is [adv] known how	7
27	[conj] it is [adv] known [pron]	5