SN4 ""

No	Pattern	Freq
1	[pron] would [adv] have been [adv]	82
2	[pers pn] would [adv] have been [adv]	69
3	[noun] would [adv] have been [adv]	41
4	it would [adv] have been [adv]	34
5	it would [adv] have been [adv]	34
6	[noun sg] would [adv] have been [adv]	22
7	[noun pl] would [adv] have been [adv]	15
8	he would [adv] have been [adv]	10
9	he would [adv] have been [adv]	10
10	[Wh det] would [adv] have been [adv]	8
11	they would [adv] have been [adv]	8
12	they would [adv] have been [adv]	8
13	i would [adv] have been [adv]	7
14	which would [adv] have been [adv]	7
15	which would [adv] have been [adv]	7
16	i would [adv] have been [adv]	7
17	[adj] would [adv] have been [adv]	5
18	[conj] would [adv] have been [adv]	5
19	would [adv] [adv] have been [adv]	5
20	would [adv] [adv] have been [adv]	5
21	would [adv] [adv] have been [adv]	5
22	would [adv] have been [verb] [adv]	47
23	would [adv] have been [vb pp] [adv]	43
24	would [adv] have been [adj] [adv]	22
25	would [adv] have been [adj] [adv]	19
26	would [adv] have been [adv] [adv]	13
27	would [adv] have been [adv] [adv]	12
28	would [adv] have been [art] [adv]	7
29	would [adv] have been [art] [adv]	7
30	would [adv] have been possible [adv]	5