SN4 ""

No	Pattern	Freq
1	[pron] would have [been] [det]	52
2	there would have [been] [det]	31
3	there would have [been] [det]	31
4	[ex0] would have [been] [det]	31
5	[noun] would have [been] [det]	22
6	[pers pn] would have [been] [det]	17
7	[noun sg] would have [been] [det]	15
8	it would have [been] [det]	14
9	it would have [been] [det]	14
10	[adj] would have [been] [det]	9
11	[adv] would have [been] [det]	8
12	[det] would have [been] [det]	8
13	[adv] would have [been] [det]	7
14	would [adv] have [been] [det]	38
15	would not have [been] [det]	34
16	would [not/n't] have [been] [det]	34
17	would n't have [been] [det]	22
18	would not have [been] [det]	12
19	would have [been] [adv] [det]	32
20	would have [been] [adv] [det]	29
21	would have [been] [art] [det]	27
22	would have [been] [art] [det]	27
23	would have [been] [prep] [det]	25
24	would have [been] [prep] [det]	25
25	would have [been] [verb] [det]	22
26	would have [been] the [det]	19
27	would have [been] the [det]	19
28	would have [been] [adj] [det]	14
29	would have [been] too [det]	12
30	would have [been] too [det]	12