SN4 ""

No	Pattern	Freq
1	[pron] have been at [det]	24
2	[pers pn] have been at [det]	21
3	[modal v] have been at [det]	13
4	[vb mod] have been at [det]	13
5	[noun] have been at [det]	9
6	[adv] have been at [det]	6
7	they have been at [det]	6
8	they have been at [det]	6
9	must have been at [det]	5
10	must have been at [det]	5
11	have [adv] been at [det]	13
12	have not been at [det]	12
13	have [not/n't] been at [det]	12
14	have not been at [det]	9
15	have [pron] been at [det]	5
16	have [pers pn] been at [det]	5
17	have been [verb] at [det]	153
18	have been [vb pp] at [det]	121
19	have been [v-ing] at [det]	31
20	have been [adj] at [det]	20
21	have been look at [det]	20
22	have been [adj] at [det]	19
23	have been looking at [det]	18
24	have been [adv] at [det]	12
25	have been [adv] at [det]	10
26	have been make at [det]	8
27	have been there at [det]	8
28	have been there at [det]	8
29	have been made at [det]	7
30	have been [pron] at [det]	6