SN4 ""

No	Pattern	Freq
1	have been at [adj]	107
2	have been at [det]	58
3	had been at [adj]	40
4	have been at [adj]	27
5	have been at [adj]	18
6	have been at [num]	18
7	have been at [adj]	16
8	have been at this	11
9	have been at this	11
10	have been at that	10
11	have been at that	10
12	has been at [adj]	9
13	have been at any	8
14	have been at [adj -est]	8
15	have been at all	8
16	have been at good	8
17	have been at any	8
18	have been at best	8
19	have been at all	8
20	to have been at [adj]	7
21	have been at one	6
22	have been at one	6
23	'd been at [adj]	5
24	have been at such	5
25	have been at first	5
26	have been at some	5
27	have been at some	5
28	have been at [num ord]	5
29	have been at first	5
30	have been at such	5