SN4 ""

No	Pattern	Freq
1	[modal v] have known [Wh det]	25
2	[vb mod] have known [Wh det]	25
3	[adv] have known [Wh det]	17
4	[not/n't] have known [Wh det]	12
5	not have known [Wh det]	12
6	must have known [Wh det]	10
7	must have known [Wh det]	10
8	n't have known [Wh det]	10
9	would have known [Wh det]	9
10	would have known [Wh det]	7
11	[adv] have known [Wh det]	5
12	have known [adv] [Wh det]	7
13	have known [adv] [Wh det]	7
14	have known exactly [Wh det]	5
15	have known exactly [Wh det]	5
16	have known [Wh det] [pron]	20
17	have known [Wh det] [pers pn]	17
18	have known [Wh det] [verb]	10
19	have known [Wh det] [to-vb]	9
20	have known [Wh det] to do	6
21	have known [Wh det] do	6
22	have known [Wh det] he	5
23	have known [Wh det] be	5
24	have known [Wh det] [be]	5
25	have known [Wh det] [art]	5
26	have known [Wh det] was	5
27	have known [Wh det] [was/were]	5
28	have known [Wh det] [art]	5
29	have known [Wh det] he	5