SN4 ""

No	Pattern	Freq
1	[pron] have known	1721
2	[pers pn] have known	1573
3	[modal v] have known	715
4	[vb mod] have known	715
5	i have known	583
6	i have known	583
7	she have known	347
8	she have known	347
9	he have known	331
10	he have known	329
11	[noun] have known	321
12	[adv] have known	262
13	should have known	206
14	should have known	206
15	must have known	195
16	must have known	195
17	[noun prp] have known	168
18	would have known	155
19	not have known	151
20	[not/n't] have known	151
21	[adv] have known	111
22	would have known	109
23	we have known	108
24	we have known	106
25	they have known	105
26	they have known	102
27	[Wh pn] have known	96
28	who have known	93
29	who have known	93
30	[noun sg] have known	91