SN4 ""

No	Pattern	Freq
1	[vb past] that [pers pn] [modal v] have [been]	58
2	[vb past] that [pers pn] [vb mod] have [been]	58
3	[vb past] that [pers pn] would have [been]	19
4	[vb past] that [pers pn] must have [been]	18
5	[vb past] that [pers pn] must have [been]	18
6	[vb past] that [pers pn] would have [been]	17
7	[vb past] that [pers pn] might have [been]	7
8	[vb past] that [pers pn] might have [been]	7
9	[vb past] that [pers pn] could have [been]	6
10	[vb past] that [pers pn] could have [been]	6
11	[pron] [vb past] that [pers pn] have [been]	182
12	[noun] [vb past] that [pers pn] have [been]	173
13	[pers pn] [vb past] that [pers pn] have [been]	171
14	[noun prp] [vb past] that [pers pn] have [been]	87
15	he [vb past] that [pers pn] have [been]	63
16	he [vb past] that [pers pn] have [been]	63
17	[noun sg] [vb past] that [pers pn] have [been]	54
18	i [vb past] that [pers pn] have [been]	39
19	i [vb past] that [pers pn] have [been]	39
20	she [vb past] that [pers pn] have [been]	36
21	[adv] [vb past] that [pers pn] have [been]	36
22	[adv] [vb past] that [pers pn] have [been]	36
23	she [vb past] that [pers pn] have [been]	36
24	[conj] [vb past] that [pers pn] have [been]	33
25	[coord] [vb past] that [pers pn] have [been]	33
26	[noun pl] [vb past] that [pers pn] have [been]	29
27	and [vb past] that [pers pn] have [been]	26
28	and [vb past] that [pers pn] have [been]	26
29	they [vb past] that [pers pn] have [been]	15
30	it [vb past] that [pers pn] have [been]	14