SN4 ""

No	Pattern	Freq
1	it is [adv] known that	147
2	[pers pn] is [adv] known that	147
3	[pron] is [adv] known that	147
4	it is [adv] known that	147
5	is [adv] [adv] known that	19
6	is [adv] [adv] known that	12
7	is [not/n't] [adv] known that	7
8	is not [adv] known that	7
9	is not [adv] known that	7
10	is [adv] [adv] known that	12
11	is [adv] [adv] known that	12
12	is [adv] well known that	11
13	is [adv] well known that	11
14	is [adv] known that [art]	41
15	is [adv] known that [art]	41
16	is [adv] known that [noun]	38
17	is [adv] known that the	35
18	is [adv] known that the	35
19	is [adv] known that [adj]	31
20	is [adv] known that [pron]	19
21	is [adv] known that [noun pl]	18
22	is [adv] known that [det]	16
23	is [adv] known that [pers pn]	13
24	is [adv] known that [noun sg]	13
25	is [adv] known that [adj]	12
26	is [adv] known that [noun prp]	7
27	is [adv] known that many	6
28	is [adv] known that many	6
29	is [adv] known that [conj]	5
30	is [adv] known that [subord]	5