SN4 ""

No	Pattern	Freq
1	[pron] would have [been] in	70
2	[pers pn] would have [been] in	63
3	[noun] would have [been] in	49
4	[noun sg] would have [been] in	24
5	it would have [been] in	22
6	it would have [been] in	22
7	they would have [been] in	15
8	they would have [been] in	14
9	[noun prp] would have [been] in	13
10	he would have [been] in	13
11	he would have [been] in	13
12	[adj] would have [been] in	8
13	[noun pl] would have [been] in	8
14	[det] would have [been] in	8
15	she would have [been] in	7
16	[conj] would have [been] in	7
17	she would have [been] in	7
18	[coord] would have [been] in	5
19	that would have [been] in	5
20	that would have [been] in	5
21	would [adv] have [been] in	32
22	would [adv] have [been] in	20
23	would not have [been] in	12
24	would [not/n't] have [been] in	12
25	would not have [been] in	8
26	would never have [been] in	5
27	would never have [been] in	5
28	would have [been] [verb] in	122
29	would have [been] [vb pp] in	110
30	would have [been] [adj] in	63