SN4 ""

No	Pattern	Freq
1	[pron] [modal v] have [been] in	250
2	[pron] [vb mod] have [been] in	250
3	[pron] [noun] have [been] in	101
4	[pron] would have [been] in	82
5	[pron] would have [been] in	70
6	[pron] [noun sg] have [been] in	69
7	[pron] [pron] have [been] in	55
8	[pron] must have [been] in	51
9	[pron] must have [been] in	51
10	[pron] might have [been] in	37
11	[pron] might have [been] in	37
12	[pron] [pers pn] have [been] in	32
13	[pron] should have [been] in	30
14	[pron] should have [been] in	30
15	[pron] [noun pl] have [been] in	27
16	[pron] could have [been] in	22
17	[pron] could have [been] in	22
18	[pron] who have [been] in	21
19	[pron] who have [been] in	21
20	[pron] [Wh pn] have [been] in	21
21	[pron] may have [been] in	20
22	[pron] may have [been] in	20
23	[pron] [adv] have [been] in	16
24	[pron] [verb] have [been] in	16
25	[pron] [adv] have [been] in	16
26	[pron] it have [been] in	14
27	[pron] it have [been] in	14
28	[pron] 'd have [been] in	12
29	[pron] [vb -s] have [been] in	8
30	[pron] family have [been] in	7