SN4 ""

No	Pattern	Freq
1	[pron] have been at [adj]	41
2	[pers pn] have been at [adj]	35
3	[noun] have been at [adj]	25
4	[modal v] have been at [adj]	21
5	[vb mod] have been at [adj]	21
6	[noun sg] have been at [adj]	10
7	he have been at [adj]	8
8	[noun pl] have been at [adj]	8
9	would have been at [adj]	8
10	would have been at [adj]	8
11	he have been at [adj]	8
12	[adv] have been at [adj]	7
13	[noun prp] have been at [adj]	7
14	they have been at [adj]	7
15	they have been at [adj]	7
16	it have been at [adj]	6
17	must have been at [adj]	6
18	it have been at [adj]	6
19	[verb] have been at [adj]	6
20	must have been at [adj]	6
21	she have been at [adj]	5
22	i have been at [adj]	5
23	i have been at [adj]	5
24	she have been at [adj]	5
25	have [adv] been at [adj]	18
26	have [not/n't] been at [adj]	12
27	have not been at [adj]	12
28	have not been at [adj]	9
29	have [pron] been at [adj]	6
30	have [pers pn] been at [adj]	6