SN4 ""

No	Pattern	Freq
1	[verb] to be known [prep]	142
2	come to be known [prep]	103
3	[vb past] to be known [prep]	72
4	came to be known [prep]	64
5	[vb pp] to be known [prep]	35
6	[modal v] to be known [prep]	35
7	[vb mod] to be known [prep]	35
8	used to be known [prep]	34
9	come to be known [prep]	34
10	used to be known [prep]	34
11	[noun] to be known [prep]	26
12	[adv] to be known [prep]	22
13	[adv] to be known [prep]	22
14	be to be known [prep]	21
15	[be] to be known [prep]	21
16	[adj] to be known [prep]	19
17	[noun sg] to be known [prep]	18
18	[vb -s] to be known [prep]	18
19	[adj] to be known [prep]	14
20	[was/were] to be known [prep]	13
21	was to be known [prep]	12
22	[vb infin] to be known [prep]	8
23	[vb base] to be known [prep]	7
24	want to be known [prep]	7
25	need to be known [prep]	7
26	needs to be known [prep]	6
27	is to be known [prep]	6
28	[is] to be known [prep]	6
29	[noun pl] to be known [prep]	6
30	soon to be known [prep]	5