SN4 ""

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