SN4 ""

No	Pattern	Freq
1	[modal v] [adv] have been [adj] for	58
2	[modal v] [not/n't] have been [adj] for	38
3	[modal v] not have been [adj] for	38
4	[modal v] not have been [adj] for	29
5	[modal v] [adv] have been [adj] for	20
6	[modal v] n't have been [adj] for	9
7	[pron] [modal v] have been [adj] for	189
8	[pers pn] [modal v] have been [adj] for	169
9	it [modal v] have been [adj] for	140
10	it [modal v] have been [adj] for	140
11	[noun] [modal v] have been [adj] for	48
12	[noun sg] [modal v] have been [adj] for	26
13	[noun pl] [modal v] have been [adj] for	15
14	[adj] [modal v] have been [adj] for	14
15	[Wh det] [modal v] have been [adj] for	14
16	which [modal v] have been [adj] for	13
17	which [modal v] have been [adj] for	13
18	[det] [modal v] have been [adj] for	12
19	he [modal v] have been [adj] for	8
20	he [modal v] have been [adj] for	8
21	i [modal v] have been [adj] for	7
22	i [modal v] have been [adj] for	7
23	she [modal v] have been [adj] for	7
24	that [modal v] have been [adj] for	7
25	[conj] [modal v] have been [adj] for	7
26	that [modal v] have been [adj] for	7
27	she [modal v] have been [adj] for	6
28	[noun prp] [modal v] have been [adj] for	5
29	[Wh pn] [modal v] have been [adj] for	5
30	who [modal v] have been [adj] for	5