SN4 ""

No	Pattern	Freq
1	it be [adv] know [prep]	109
2	it be [adv] know [prep]	109
3	it be [adv] known [prep]	109
4	it be [adv] know [prep]	90
5	it is [adv] know [prep]	71
6	it be [adv] know as	49
7	it be [adv] know as	49
8	it was [adv] know [prep]	30
9	it be well know [prep]	24
10	it be well know [prep]	22
11	it be [not/n't] know [prep]	19
12	it be not know [prep]	19
13	it be [adv] know in	18
14	it be [adv] know in	18
15	it be not know [prep]	17
16	it be also know [prep]	16
17	it be also know [prep]	16
18	it be [adv] know for	11
19	it be [adv] know to	11
20	it be [adv] know for	11
21	it be [adv] know to	11
22	it be often know [prep]	6
23	it be often know [prep]	6
24	it be best know [prep]	6
25	it be best know [prep]	6
26	it be generally know [prep]	5
27	it be generally know [prep]	5
28	it be [adv] know from	5
29	it be [adv] know from	5